Page 1 EPM Series Power Meters N1913B EPM Series N1914B EPM Series USER’S GUIDE...
Page 2: Copyright Notice
FAR 27.401 or DFAR Do not proceed beyond a WARNING 227.7103-5 (c), as applicable in any technical data. notice until the indicated conditions are fully understood and met. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 3: Certification
Keysight shall not be liable for errors or for incidental or consequential damages in connection with the furnishing, use, or performance of this document or any information contained herein.
Page 4: Limitation Of Warranty
Buyer. Keysight does not warrant the Buyer’s circuitry or malfunctions of Keysight products that result from the Buyer’s circuitry. In addition, Keysight does not warrant any damage that occurs as a result of the Buyer’s circuit or any defects that result from Buyer-supplied products.
Page 5: Restricted Rights Legend
“restricted computer software” as defined in FAR 52.227-19 (Jun 1987) (or any equivalent agency regulation or contract clause), whichever is applicable. You have only those rights provided for such Software and Documentation by the applicable FAR or DFARS clause or the Keysight standard software agreement for the product involved. Technology Licenses The hardware and/or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license.
Page 6: Safety Symbols
The N1913/1914A EPM Series power meters are designed to comply with the following safety and EMC (Electromagnetic Compatibility) requirements: Safety compliance – Low Voltage Directive 2014/35/EU EMC compliance – EMC Directive 2014/30/EU Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 7: General Safety Information
The mains plug shall only be inserted in a socket outlet provided with a protective earth contact. Any interruption of the protective conductor inside or outside of the instrument is likely to damage the meter. Intentional interruption is prohibited. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 8 – Use a Keysight supplied power cord that has the same electrical rating. – DO NOT perform procedures involving cover or shield removal unless you are qualified to do so: Operating personnel must not remove the meter covers or shields.
Page 9 Return the instrument to a Keysight Technologies Sales and Service Office for service and repair to ensure the safety features are maintained. – If the device is used in a manner not specified by manufacturer, the device protection may be impaired.
Page 10: Regulatory Markings
This symbol is a South Korean Class A EMC Declaration. This equipment is Class A suitable for professional use and is for use in electromagnetic environments outside of the home. KCC-REM-ATi- WCPWR Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 11: South Korean Class A Emc Declaration
In a residential environment, this equipment may cause radio interference. This EMC statement applies to the equipment only for use in business environment. Sales and Technical Support To contact Keysight for sales and technical support, refer to the support links on the following Keysight websites: – www.keysight.com/find/epm...
Page 12: Product And Solution Cybersecurity
Responsible Disclosure Program Keysight recommends that security researchers share the details of any suspected vulnerabilities across any asset owned, controlled, or operated by Keysight (or that would reasonably impact the security of Keysight and our users) using this form: https://www.keysight.com/us/en/contact/responsible-disclosure-program.html Report a Product Cybersecurity Issue If you discover a cybersecurity issue that you suspect may involve Keysight’s...
Page 13: Table Of Contents
Conventions Used in this Guide .......39 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 14 ..........85 General Power Meter Functions Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 15 ..........139 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 16 ......181 Using E4410 E-Series Power Sensors Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 17 ........236 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 18 ........273 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 19 ....... .295 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
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Page 21: List Of Figures
......104 Figure 3-13 Offset display in engineering unit (when the selected unit is Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 22 ....... 149 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 23 Figure 6-3 Reference Calibration Factor pop-up window ..196 Figure 6-4 Calibration factor pop-up window ....197 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 24 ......262 Figure 11-1 2050/60 X-Series auto-averaging settings ..267 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 25 ......285 Figure 12-4 Secure erase status pop-up ....290 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
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Page 27: List Of Tables
......294 Table 13-2 N1913B/N1914B Environmental Specifications ..295 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
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Page 29 Front Panel Keys and Connections The Display Layout Window Symbols and Pop-ups Rear Panel Connections Remote Interface Configurations Making Socket Connection Supported Programming Language This chapter introduces you to the front panel display and instrument Web browser of the N1913B/N1914B EPM Series power meter.
Page 30: Introduction
The latest version of Keysight IO Libraries Suite can be downloaded from NOTE www.keysight.com/find/iosuitedownload. The Keysight Instrument Control DVD, with the above software, is no longer shipped with Keysight instruments. If you require a Keysight Instrument Control DVD, it can be ordered by contacting your local Keysight Customer Contact Center.
Page 31: Lxi Class-C Compliant Power Meter
Introduction LXI Class-C Compliant Power Meter The N1913B/N1914B EPM Series power meter is a LXI Class C compliant instrument, developed using LXI Technology. LXI, an acronym for LAN eXtension for Instrumentation, is an instrument standard for devices that use the Ethernet (LAN) as their primary communication interface.
Page 32: Rack Mounting Information
When installing the power meter in a cabinet, the convection into and out of the power meter must not be restricted. If the total power dissipated in the cabinet is greater than 800 Watts, then forced convection must be used. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 33: Rack Mounting One Meter (Using The Option 908 Rack Mount Kit)
Introduction Rack Mounting One Meter (Using the Option 908 rack mount kit) 1 Remove the carrying handle. 2 Remove the front and rear rubber bumpers. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 34 Introduction 3 Fit the rack mount flanges. (Part available separately: 5022-9650). 4 Ready for installation. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 35: Rack Mounting Two Meters Together (Using The Option 909 Rack Mount Kit)
Rack Mounting Two Meters Together (Using the Option 909 rack mount kit) 1 Remove the carrying handle. 2 Remove the front and rear rubber bumpers. 3 Hardware required to link meters together. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 36 4 Fit one small rack mounting flange to opposite sides of each power meter. (Part available separately: 5022-9650). 5 Fit two front linking plates to each power meter. 6 Engage the linking plates at the front of the power meters. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 37 Introduction 7 Attach the rear linking brackets. 8 Ready for installation Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 38: Power Meter And Sensor Capability
Introduction Power Meter and Sensor Capability Your N1913B/N1914B EPM Series power meter is compatible with the Keysight E9300 E-Series, E4410 E-Series, 8480 Series, N8480 Series, U2000 Series, and the U8480 Series thermocouple sensor. However, not all sensor and meter combinations have the same features or capabilities. The main differences are as...
Page 39: Conventions Used In This Guide
N1913B meter Channel B Channel A becomes on an N1914B. Softkey When you are asked to press “the channel” in a procedure, make sure you select the relevant channel. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 40: Front Panel Keys And Connections
Press this key to switch the meter between on and standby. When power is supplied, the background LED is red. Pressing the key, switches the power meter on and the background LED is green. When the meter is powered on, the start-up will take approximately 25 seconds. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 41 Press this key to setup relative measurements or set display offsets. Use this key to configure the selected measurement. Press this key to access the measurement display menu. You can choose the displayed measurement resolution, units and display format. Use this key together with to configure measurement displays. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 42 1 of 2 is displayed beside the key indicating the first page of a two page menu. Press the key to access the next page or second page. (A 2 of 2 is displayed). Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 43 Press this key to reset the MAX HOLD and MIN HOLD measurement. Press these keys to enter numeric values in the pop-up fields, for example, the offset values. To complete the entry, use the softkey. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 44 If the meter is configured with Option 201, one USB Type A port is fitted to the front panel (Channel C) and another Type A port (Channel D) to the rear panel. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 45: The Display Layout
Zero/Cal menu is displayed. 4 The blue highlight on the right hand side of the window shows it is the currently selected measurement display line. This measurement line is the Upper Window/Upper Measurement. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 46: Figure 1-2 Single Numeric And Analog Display
12 The blue highlight on the right hand side of the window shows it is the currently selected measurement display line. Using the , or keys, you can change the measurement window selection. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 47: Figure 1-3 Full Screen Numeric Display
If the measurement is within the limits this field is empty. If the measurement result is less than the minimum limit set, Undr Lmt is displayed. If the measurement result is more than the maximum limit set, Over Lmt is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 48: Window Symbols And Pop-Ups
Depending on the severity of the warning, the pop-up may be displayed in orange or red. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 49: Wait Symbol Pop-Up
For example, prior to a Save being carried out. Numeric Entry Pop-up This type of pop-up window is displayed when you need to modify numeric data. The numeric keys allow you to enter the value. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 50: Text Entry Pop-Up
List Pop-up This pop-up window is displayed when you are required to select an entry from a list. Use the up/down arrow keys to highlight your choice. Press select to complete the entry. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 51: Rear Panel Connections
Trigger input and output connections are made via BNC connectors. USB Mini-B port This USB port is used only for remote interface connection. GPIB This connector allows the power meter to be controlled remotely using the General Purpose Interface Bus. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 52: Remote Interface Configurations
To connect the power meter to your PC, configure and verify your connection, NOTE you can use the Keysight IO Libraries Suite for Windows. – Keysight IO Libraries Suite for Windows. You can find information and install this application via the Web at www.keysight.com/find/iolib.
Page 53: Figure 1-4 Found New Hardware Wizard
Figure 1-4 Found New Hardware Wizard If you installed Keysight IO Libraries software, you also installed low-level NOTE drivers. 4 When the Wizard has completed configuring the power meter, a Assign USB device alias window appears on your PC.
Page 54: Lan
LAN-enabled instruments are not connected to a site LAN. Select the LAN network type you will use to connect the power meter to your computer. Then follow the procedure that corresponds to your selected LAN network type. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 55: Figure 1-5 Typical Lan Remote Interface
To enable DHCP operation using the arrow and Select keys to highlight and check DHCP is checked. Figure 1-5 Typical LAN Remote Interface If your LAN does not support DHCP, refer to the connectivity guide. NOTE Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 56: Figure 1-6 Lan Network Restart Pop-Up
If you have installed other I/O software, refer to documentation that NOTE accompanies the software. 9 You can use various programming environments to control the power meter. For an overview about programming instruments via LAN, refer to the connectivity guide. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 57 If you have installed other I/O software, refer to documentation that NOTE accompanies the software. 9 You can use various programming environments to control the power meter. For an overview about programming instruments via LAN, refer to the connectivity guide. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 58: Figure 1-7 Typical Manual Entry Lan Network Interface
The values can range between 0.0.0.0 and 255.255.255.255. Figure 1-7 Typical Manual Entry LAN Network Interface 4 Press , to return to the Remote Interface display. 5 Press Restart Network. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 59 To automatically configure the LAN settings enable DHCP operation using the SYSTem:COMMunicate:LAN:DHCP[:STATe] command. To individually specify the settings use the following commands: – SYSTem:COMMuniucate:LAN:ADDRess – SYSTem:COMMunicate:LAN:SMASk – SYSTem:COMMunicate:LAN:DGATeway – SYSTem:COMMunicate:LAN:AIP[:STATe] – SYSTem:COMMunicate:LAN:RESTart Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 60: Gpib
The GPIB address is an integer between 0 and 30. The power meter is shipped with a default address set to 15. The GPIB address is stored in non-volatile memory. To change the GPIB address manually proceed as follows: 1 Press , Remote Interfaces. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 61: Figure 1-8 Typical Gpib Remote Interface
GPIB address in the Pop-up. 4 Press the Enter key To change the address remotely. You can set/query the GPIB address remotely using the following command SYSTem:COMMunicate:GPIB:ADDRess. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 62: Using The Instrument Web Interface
Introduction Using the Instrument Web Interface You can communicate with the N1913B/N1914B EPM Series power meters using the Web interface. The instrument Web interface can be accessed from Keysight Connection Expert as shown in Figure 1-9. Alternatively, the instrument Web interface can also be accessed directly from a NOTE Web browser by entering the instrument’s IP address or hostname in the...
Page 63: Figure 1-10 N1914B Epm Series Power Meter Web Interface (Welcome Page)
– The instrument has an embedded Web server, which is listening on port 80 to NOTE serve Web pages. – The Web pages can be browsed using Web browser such as Google Chrome and Mozilla Firefox. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 64: Figure 1-11 Message To Identify The Instrument
– IP conflict occurs, or Lan: Fault – IP address failed to be obtained using selected LAN configuration, or Status: Initialization failed – No LAN configuration is selected. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 65: Figure 1-12 Example Of Lan Status Message
– Unable to obtain IP address from DHCP server (if user select DHCP Lan: DHCP Not Available configuration) Status: Running – IP address obtained from Auto-IP or manual configuration. Figure 1-12 Example of LAN Status message Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 66: Using The Remote Front Panel
1 On the top of the Welcome Page, select Control Instrument. The remote front panel appears. 2 Click the front panel keys to control the instrument. Power Button on the web interface does not reboot the instrument. NOTE Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 67: Editing The Instrument's Lan Settings
Figure 1-13 Viewing LAN configuration settings from the Web interface To edit parameters shown, click Edit. The Password Options dialog box appears as shown in Figure 1-14. Figure 1-14 Password Options dialog box Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 68 You can change the password from the Configuring your N1914B Power Meter NOTE 1-15. Scroll down the Parameter column until you window as shown in Figure locate the Change Password parameter. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 69: Figure 1-15 Changing The Instrument Lan Interface Configuration
Figure 1-15 Changing the instrument LAN interface configuration On the Welcome Page, click Configure LAN -> Advanced Options. After enter password, it will bring the user to the interface shown in Figure 1-16 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 70: Figure 1-16 Advanced Network Options
Introduction Figure 1-16 Advanced Network Options LAN reset on web page does NOT reboot the instrument. NOTE Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 71: Instrument Io
Instrument IO allows user to send SCPI to instrument through web interface. On the Welcome Page, click Instrument IO. This opens the Instrument IO window shown in Figure 1-17. Figure 1-17 Instrument IO Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 72 Or another method is using the Send command, and wait the operation finish, then use the Read response to read and display the query result later. Otherwise, the subsequent display of returning query result will not align. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 73: Capturing The Screen Image
2 Right-click on the image and select Save image As…. 3 Select a storage location for the image file and click Save. The image is captured as a Bitmap (BMP) file, to the default file name display.bmp. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 74: Getting The Instrument Data
3 Enter your desired count value (up to 1000 only) of the data and click Get Data. The data will be displayed in a text box. 4 Copy and paste the data in your intended PC application. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 75: Making Socket Connection
IP Address field. Every N1914B has a default host name in the form of: K-N1914B-XXXXX where “XXXXX” is the last five digits of the instrument serial number. Figure 1-18 Add a LAN instrument in Keysight Connection Expert Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 76: Figure 1-19 Power Meter Successfully Connected
Introduction 4 Select Allow *IDN Query and click Test This VISA Address to verify the power meter is connected. 5 Click OK to return to the Keysight Connection Expert window. Your power meter is successfully connected. Figure 1-19 Power meter successfully connected...
Page 77: Supported Programming Language
To select the interface language from the front panel (N1913B/N1914B), 1 Press , Remote Interfaces, 1 of 2, and Command Set. 2 Select SCPI as the language. To select the interface language from the remote interface, use the SYSTem:LANGuage command. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 78 Introduction Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 79: Installation
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Installation Initial inspection Adjusting the Carrying Handle Turning the Power Meter On What Can Go Wrong? Connecting a Power Sensor...
Page 80: Initial Inspection
If there is mechanical damage, notify the nearest Keysight Technologies office. Keep the damaged shipping materials (if any) for inspection by the carrier and a Keysight representative. If required, you can find a list of Keysight Sales and Service Offices.
Page 81: Adjusting The Carrying Handle
The carrying handle can be locked into three different positions. Pull the handle outwards, rotate it to the required position and release it into one of the three locks. To remove the handle, refer to “Rack Mounting” on page 31. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 82: Turning The Power Meter On
100 V to 240 V and 50 Hz to 60 Hz (70 VA Max). 1 Connect the power cord. 2 Check that the background LED is red. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 83 5 The power meter is now ready for use. If the meter has been stored in extremely cold conditions, beyond its normal NOTE operating range, the display may require a few minutes to warm up and operate normally. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 84: What Can Go Wrong
If there are any self-test failures the meter is defective. Contact your nearest Fails self test(s) Keysight Service Center (Refer to “Sales and Technical Support” on page 11). 6 Line input fuse and spare fuse. In-line fuse Spare fuse Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 85: Connecting A Power Sensor
Connecting a Power Sensor E-Series, 8480, N8480 Series, and U2000 Series power sensor models Using the Keysight 11730A power sensor cable, any Keysight 8480, or N8480 Series, E-Series power sensor can be connected to the N1913B or N1914B power meters. The U2000 Series power sensors can be connected to the meter using the Keysight U2031A power sensor cable.
Page 86 4 Confirm the display has changed to a measurement reading. Diagram shows display with an E-Series E4413A power sensor connected. Dual channel 5 Connect the sensor to the POWER REF connector. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 87 Zero + Cal A Zero + Cal B The Zeroing pop-up is displayed during the zeroing process, the Calibrating pop-up during calibration. The meter-sensor measurement path is calibrated when the Calibrating pop-up disappears. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 88 Installation THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 89: General Power Meter Functions
Zeroing and Calibrating the Power Meter Adapter Test Procedure Secure Blank Backlight Intensity Control Memory Erase/Secure Erase VGA Output Warm Start Setting the Cable Short/Long Setting the TCP Keepalive Timeout Reference Manual This chapter describes the general operation of the N1913B/N1914B EPM Series power meters.
Page 90: Setting The Units Of Measurement
Measurement units - Single channel meters Measurement Mode Relative Mode Off Relative Mode On Linear Watt Table 3-2 Measurement units - Dual channel meters Measurement Mode Relative Mode Off Relative Mode On Ratio Linear Difference Linear Watt Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 91: Setting The Measurement Frequency
Frequency pop-up. Use the numeric keypad to enter the required value in the Frequency pop-up window. Figure 3-1 Frequency pop-up 3 Confirm your choice by pressing 4 Press key to close the Channel Setup screen. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 92: Setting The Resolution
To set the resolution on the currently selected window: 1 Press . The current setting of the resolution is highlighted under the softkey. Resolution 2 To change this setting, press Resolution repeatedly until the required resolution setting is highlighted. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 93: Making Relative Measurements
5 Confirm that the power meter is measuring the signal you want to use as the reference. This is displayed under the Result field. 6 Press the , key to highlight the Rel field. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 94: Figure 3-3 Numeric Display
Relative indicator Figure 3-3 Numeric display The Rel symbol is not displayed when the associated measurement is displayed NOTE in Dual Numeric or Analog format. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 95: Setting Offsets
Display Relative Offset Channel C Lower Window Display Relative Offset Freq Dep Channel Offset Factor Offset Display Relative Offset Channel D Freq Dep Channel Factor Offset Offset Figure 3-4 Simplified measurement path Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 96: Setting Channel Offsets
Typical channel offset display 5 Press to highlight the Offset value field and press to display the Offset pop-up. Use the numeric keypad to enter the required value in the Offset pop-up window. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 97: Setting Display Offsets
2 Select the window you wish to set the offset value on by pressing the key. The currently selected window/measurement is displayed. Meas Select 3 Use the keys to highlight the Offset setting field. 4 Press to check the Offset setting field. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 98: Figure 3-7 Typical Display Offset Display
Display Offset pop-up. Use the numeric keypad to enter the required value in the Offset pop-up window. 6 Confirm your choice by pressing . Press key to complete the offset entry. The Ofs indicator is displayed if Display Offset is selected. NOTE Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 99: Setting Frequency Dependent Offsets
, and Tables Sensor ChC Freq. Dep. Offset For Channel D, you can select the frequency dependent offset table from the key menu followed by , and Freq. Dep. Offset Tables Sensor ChD Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 100: Figure 3-8 Frequency Dependent Offset Tables Display
Figure 3-8 Frequency dependent offset tables display 2 Use the keys to highlight one of the 10 table titles and press for dual channel) to highlight Table A Table B Table Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 101: Figure 3-9 Frequency Dependent Offset Indicator
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 102: Editing Frequency Dependent Offset Tables
Offset Tbls screen. Freq. Dep. Offset 2 Choose the table you want to edit using the keys. Press to display the Edit Offset screen as shown in Figure 3-10. Edit Table Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 103: Figure 3-10 "Edit Offset" Display With Data Added
Edit table title pop-up – Pressing adds a new character to the right of the selected Insert Char character. – Pressing removes the selected character. Delete Char 4 Press to complete the entry. Enter Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 104: Figure 3-12 Changing Offset Unit
Figure 3-12 Changing offset unit 3 Continue adding/editing values until you have entered all the data you require. 4 When you have finished editing the table press to save the table. Done Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 105: Selectable Frequency Dependent Offset Unit (Db Or %)
To change the offset unit to dB, press , and 1 of 2 Offset Unit To change the offset unit to %, press , and 1 of 2 Offset Unit Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 106: Figure 3-13 Offset Display In Engineering Unit
– y is optional if there are non-zero numbers after the decimal point. For example, – 0.009876 will be displayed as 9.876 e-3 – 0.0001 will be displayed as 1e-4. Figure 3-13 Offset display in engineering unit (when the selected unit is %) Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 107: Setting Measurement Averaging
N1913B/N1914B EPM Series power meters recognize different sensor types when they are connected, and configure suitable averaging automatically.
Page 108: Figure 3-15 Meas Avg Count Pop-Up
Meas Avg Count pop-up. Figure 3-15 Meas Avg Count pop-up 6 Use the numeric keys to enter the required value and press Enter 7 Press key to close the Channel Setup screen. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 109: Step Detection
. On dual channel meters select the required channel. 2 Use the keys to select the Step Detect setting field. 3 Press to check the step detection to on or off. 4 Press key to close the Channel Setup screen. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 110: Measuring Pulsed Signals
The allowable range of values is 0.001% to 100%. The default value is 1.000%. If duty cycle is enabled, then Dty Cyc is displayed. Pulse measurements are not recommended using Keysight E4412A and E4413A NOTE power sensors.
Page 111: Figure 3-17 Duty Cycle Setting
6 Confirm your choice by pressing 7 Press key to complete the duty cycle entry. The Dty Cyc indicator is displayed as shown in Figure 3-18. Duty cycle indicator Figure 3-18 Duty cycle indicator Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 112 Other pulse shapes (such as triangle, chirp, or Gaussian) will cause erroneous results. The pulse power on/off ratio must be much greater than the duty cycle ratio. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 113: Setting External Trigger For Average Power Measurement
Trigger delay and trigger holdoff are both not applicable when the power meter NOTE is set to power sweep mode or frequency sweep mode. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 114: Power Sweep Mode
Power Source Power Meter Average Power Sensor Figure 3-19 TRIG IN and TRIG OUT connection diagram between power meter and power source 3 Press . The Channel Setup screen displays as below. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 115: Figure 3-20 Channel Setup Display
Cont Trig Settings 7 Press to configure the remaining trigger parameters. The trigger Settings menu consists of two pages. Figure 3-21 shows page 1 and Figure 3-22 shows page 2. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 116: Figure 3-21 Trigger Setting Menu 1 Of
TRIG OUT BNC port when the meter is triggered upon a completed measurement. 10 Press Slope and select – to set the trigger edge. 11 Set the trigger buffer size by sending SENSE:BUFFer:COUNt <buffer_size> command to meter using remote interface. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 117 General Power Meter Functions Refer to the N1913B/N1914B EPM Series Power Meters Programming Guide for NOTE the commands usage details. Example of command set: BUFF:COUN 100 The power meter can be remotely controlled by LAN, USB and GPIB (IEEE488) NOTE programming interfaces.
Page 118: Frequency Sweep Mode
9 Press to allow a TTL level high to be produced at the 1 of 2 Output rear panel TRIG OUT BNC port when the meter is triggered upon a completed measurement. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 119 14 Configure and set the required power sweep range and step of the power source. 15 Set the power source trigger input and trigger output. 16 Set the power source to sweep. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 120: Determine The Right Step To Be Set
= 5 GHz with given interval of 0.5 GHz, the Step start stop should be set to Step = (f – f + Interval)/Interval stop start = (5 GHz – 1 GHz + 0.5 GHz)/0.5 GHz Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 121: Setting Measurement Limits
+4 dBm and +10 dBm. A fail occurs each time the output power is outside these limits as shown in Figure 3-24. Amplitude Upper limit line Fail +10 dBm Lower limit line +4 dBm Fail Frequency Figure 3-24 Limits checking results Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 122: Setting Limits
Limits: setting field. 3 Press to check the Limits: setting field. 4 Use the key to highlight the Minimum Limits: value field. 5 Press to display the Minimum Limit pop-up. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 123: Figure 3-25 Minimum Limit Pop-Up
9 Use the numeric keys to enter the required value and press 10 Press key to close the Measurement Setup screen. The Limits can be disabled and re-enabled by checking the Limits: setting field. NOTE Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 124: Checking For Limit Failures
This measurement has failed as the result is greater than the set limit level. This measurement has failed as the result is less than the set limit level. Figure 3-26 Limit failures Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 125: Numeric Format
– Press to select the measurement window or Meas Select measurement line you want to configure. Selected Window/ Measurements Function Field Channel Field Measurement Field Figure 3-27 Measurement Setup showing single configuration Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 126: Single Function Measurement
Figure 3-28 Function pop-up 3 Press to complete the entry. 4 The Meas field is set to Avg by default. 5 Press key to complete the setup and display the measurement results. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 127: Combined Measurement
Function pop-up (see Figure 3-28) and use the to highlight Combined. 3 Press to complete the entry. 4 Press key to complete the setup and display the measurements results. Figure 3-30 Measurement example display Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 128: Max Hold/Min Hold
“A-A”|“A/A“ :GAIN :HOLD :REL “B-B”|“B/B“ SENSe2: “A-B”|“A/B“ Input from FEED2 SENSe2 “B-A”|“B/A“ block (N1914B only) Max Hold/ Min Hold Figure 3-31 Max hold/min hold measurement is performed on the ‘HOLD’ block Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 129: Figure 3-32 Hold Pop-Up
Hold pop-up 4 Press to complete the entry. 5 Press key to complete the setup and display the measurements results. Figure 3-33 Min Hold and Max Hold measurement mode indicated in the display Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 130: Figure 3-34 Measurement Mode In Full Word
The measurement mode will be indicated in full word in the expanded window (see Figure 3-34). Figure 3-34 Measurement mode in full word Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 131: Recorder Output
Ensure you have selected the channel you want to set up. NOTE 1 Press to display the Measurement Setup menus. Meas Select 2 Use the keys to highlight the Rec: setting field. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 132: Figure 3-35 Recorder Minimum Pop-Up
8 Use the numeric keys to enter the power level you want to generate a 1 Vdc output in the Recorder Maximum pop-up and press 9 Use the key to highlight the Recorder Maximum: value field. 10 Press to display the Recorder Maximum pop-up. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 133: Figure 3-36 Recorder Maximum Pop-Up
Ranges of recorder output setting 100 W 10 W 100 mW 10 mW 1 mW –10 –20 –30 –40 –50 –60 100 mW 10 mW 1 mW 100 nW 10 nW 1 nW Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 134: Saving And Recalling Power Meter States
2 Using the keys, select an available name from the displayed list. To change the name of a register -See Chapter 3, “Editing a Register’s Name,” on page 135, otherwise press Save Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 135: Editing A Register's Name
4 Use to move to other characters. 5 Use as required. Insert Char Delete Char 6 To confirm your choice press Enter Recalling a Measurement Setup 1 Press Save/Recall Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 136: Figure 3-40 Recall Pop-Up
2 Use the keys to select the required register and press Recall . The Recall key is disabled (grayed out) when an unused register is selected. Figure 3-40 Recall pop-up 3 Press Confirm Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 137: Zeroing And Calibrating The Power Meter
– The Zeroing pop-up is displayed. On dual channel meters you can zero each channel independently or both NOTE channels sequentially by pressing the softkey - choosing Zero Zero A Zero B Zero Both Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 138: Zero/Cal Lockout
You can enable and disable the Zero/Cal Lockout facility from the System menu or the Cal menu as follow: Press . Similarly, press 1 of 2 Must Cal Off 1 of 2 Must Cal Off Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 139: Calibration
An essential part of calibrating is setting the correct reference calibration factor for the power sensor you are using. The N1913B/N1914B EPM Series Power Meter User’s Guide require you to set the reference calibration factor. The E-Series power sensors and N8480 Series power sensors (excluding Option CFT) set the reference calibration factor automatically.
Page 140: Calibration Procedure Using E-Series Power Sensors And N8480 Series Power Sensors (Excluding Option Cft)
2 Connect the power sensor to the POWER REF output. 3 Press the softkey to start the calibration routine. The Calibrating pop-up is then displayed (the power meter automatically turns on the POWER REF output). Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 141: Calibration Procedure Using 8480 Series Power Sensors And N8480 Series Power Sensors (With Option Cft)
2 Confirm your choice by pressing 3 Press the to start the calibration routine. The Calibrating pop-up is then displayed (the power meter automatically turns on the POWER REF output). Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 142: Table 3-5 Power Sensor Connection Requirements
General Power Meter Functions Table 3-5 Power Sensor Connection Requirements Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 143 Keysight L2052XA Keysight L2053XA Keysight L2054XA Keysight L2055XA Keysight L2056XA Keysight L2057XA Keysight L2061XA Keysight L2062XA Keysight L2063XA Keysight L2064XA Keysight L2065XA Keysight L2065XT Keysight L2066XA Keysight L2066XT Keysight L2067XA Keysight L2067XT Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 144 Keysight E9304 H18 Keysight E9304 H19 Keysight 8481D Prior to the power meter being calibrated, a Keysight 11708A 30 dB reference attenuator should be connected between the power sensor and the reference calibrator. Remove this Keysight 8484A attenuator from the power sensor input before making measurements.
Page 145 Connection Requirements Keysight 8485D Prior to the power meter being zeroed and calibrated, a Keysight 11708A 30 dB reference attenuator and an APC 3.5 (f) to 50 (m) N-Type adapter (08485-60005) should be connected between the power sensor and the reference calibrator. Remove this attenuator from the power sensor input before making measurements.
Page 146: Table 3-7 Typical Specifications
08485-60005 08487-60001 S11 and S22 −58 dB −53 dB −0.006908 dB (log mag) 50 MHz −0.00665 dB (log mag) S12 and S21 0.999205 dB (lin mag) 0.999235 dB (lin mag) <0.1% <0.1% Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 147: Figure 3-44 System Calibration Setup
6 Perform one port calibration (at Port 1) using the 85054B Mechanical Cal Kit (Open, Short, Load, and Sliding Load). 7 Perform one port calibration (at Port 2) using the 85052B/85056A Mechanical Cal Kit (Open, Short, and Load). Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 148 1 Leave the adapter-under-test in place - refer to step 2 Record the S-Parameter readings (LOG_MAG) for the PNA as dutS11, dutS12, dutS22, and dutS21 respectively and compare them against the typical specifications. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 149: Blank Screen
To restore the display, press any buttons on the front panel. . In the Service To access this feature, press and select 1 of 2 Service menu, press and select . Press 1 of 3 Display Blank Screen Figure 3-45 Blank screen Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 150: Secure Blank
1 of 3 Display 3 Press . The Enter 6-digit Password pop-up is displayed. You are Secure Blank to enter a 6-digit password upon activating the secure blank feature (see Figure 3-47). Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 151: Figure 3-47 Enter 6-Digit Password Pop-Up
5 A warning message pop-up will be displayed if the entered password is not 6-digits (see Figure 3-49). This warning will appear for two seconds before the Enter 6-digit Password pop-up (Figure 3-47) is displayed again. Figure 3-48 6-digit password entered Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 152: Figure 3-49 Warning Message
7 A warning message pop-up will be displayed if the password entered is different from the initial password (see Figure 3-51). This warning will appear for two seconds before the enter password pop-up is displayed again. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 153: Figure 3-51 Warning Message
You are then allowed up to three attempts of password entry again. The whole cycle of password entry will then be repeated. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 154: Figure 3-53 Enter Password To Restore Display
If you have forgotten the 6-digit password and need to operate the meter NOTE immediately, perform the Memory Erase operation. This operation will erase all data stored in the meter. Refer to “Memory Erase/Secure Erase” on page 156 for more details. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 155: Backlight Intensity Control
1 of 3 Backlight Figure 3-54 Backlight intensity control Press to increase the backlight’s brightness. Brightness + Press to decrease the backlight’s brightness. Brightness – Figure 3-55 Increase or decrease the backlight brightness Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 156: Memory Erase/Secure Erase
3-56). 2 During memory erase, the splash screen will display “Clearing Memory...”. When memory erase is complete, the meter will reboot automatically. Press simultaneously Figure 3-56 Activate memory erase using combo keys Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 157: Figure 3-57 Secure Erase
(see Figure 3-57). Secure Erase Figure 3-57 Secure Erase 2 A confirmation pop-up will be displayed, press to begin secure erase Confirm (see Figure 3-58). Figure 3-58 Confirmation to begin secure erase Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 158: Figure 3-59 Warning Pop-Up
3 A warning pop-up will be displayed to inform you that the secure erase is in progress (see Figure 3-59). Figure 3-59 Warning pop-up The whole process will takes approximately 5 minutes. NOTE Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 159: Vga Output
1 of 2 Service 2 In the Service menu, press and select 1 of 3 Display 3 Press to toggle ON/OFF the VGA feature (see Figure 3-60). Display Figure 3-60 VGA toggle ON/OFF Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 160: Warm Start
2 In the Service menu, press to enable or disable the warm Warm Start Off/On start feature. This feature is set to ON by default (see Figure 3-61). Figure 3-61 Enable/disable warm start feature Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 161: Setting The Cable Short/Long
General Power Meter Functions Setting the Cable Short/Long When connecting the power sensor with Keysight 11730F power sensor cable, 61 m (200 ft), you are required to change the cable setting from Short (default setting) to Long, or an error will occur when the power sensor is connected.
Page 162: Setting The Tcp Keepalive Timeout
1 of 2 Remote Interfaces Figure 3-63 Remote interfaces window 2 In the Remote Interfaces menu, press and select 1 of 2 TCP Keepalive The TCP Keepalive Time window is displayed (see Figure 3-65). Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 163: Figure 3-64 Tcp Keepalive Time Window
A TCP Keepalive Time pop-up window is displayed. You are required to enter time (in seconds) to set the timeout period for the LAN socket connection (see Figure 3-65). Figure 3-65 TCP Keepalive Time pop-up window 4 Press softkey to set the timeout period. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 164: Reference Manual
QR code screen To exit this screen, you may use either one of the following steps: 1 Press any front panel key. Place the N1913/1914B EPM Series power meters in remote (RMT) mode. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 165 General Power Meter Functions THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 166 General Power Meter Functions Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 167: Using E9300 E-Series Power Sensors
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using E9300 E-Series Power Sensors Introduction Power Meter Configuration Measurement Accuracy Measuring Spread Spectrum and Multitone Signals Measuring TDMA Signals Electromagnetic Compatibility (EMC) Measurements Measurement Accuracy and Speed This chapter describes how to use your E9300 E-Series power sensors with...
Page 168: Introduction
CDMA, W-CDMA and digital television formats. Please refer to the documentation supplied with your E-Series E9300 power sensor for specification and calibration information. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 169: Power Meter Configuration
These values are valid only for the power meter channel connected with E-Series NOTE E9300 power sensor. You can also configure the settings manually – refer to “Achieving Stable Results with TDMA Signals” on page 177 if required. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 170: Default Channel Setup
When an E-Series E9300 power sensor is connected the following Channel Setup is automatically configured. Carrying out a Preset returns the power meter to this configuration. Figure 4-2 E9300 E-Series default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 171: Measurement Accuracy
These power sensors connect directly to the POWER REF. E9300H E9301A E9301H E9304A E9300B These power sensors are configured with an attenuator. Prior to calibration this attenuator must be E9301B removed. Replace the attenuator before making measurements. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 172 . On dual channel meters select the required channel. 7 Use the keys to highlight the Frequency value field and press to display the Frequency pop-up. Use the numeric keypad to enter the required value in the Frequency pop-up window. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 173: Figure 4-3 Frequency Pop-Up
Channel Setup screen. 10 Proceed to make the measurement. 11 Reconnect any required attenuators or adaptors and connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 174: Measuring Spread Spectrum And Multitone Signals
4A power sensors can measure +20 dBm average power even in the presence of +13 dB peaks but the peak pulse duration must be less than 10 microseconds. For high power applications, such as base-station testing, the E9300/1B and E9300/ 1H are recommended. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 175: Cdma Signal Measurements
Wideband CDMA error of E-Series E9300 power sensor versus corrected CW sensor Lower Range Error Upper Range Error 0.05 -0.05 -0.1 -0.15 -0.2 (E9300 E-Series power Power (dBm) sensor only shown) Figure 4-6 CDMA (IS-95A): 9Ch Fwd Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 176: Multitone Signal Measurements
MHz. 110% 105% Typical upper range 100% calibration factor Frequency (GHz) 110% 105% Typical lower range 100% calibration factor Frequency (GHz) Figure 4-7 Calibration factors versus frequency Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 177: Measuring Tdma Signals
Filter setting field. 3 Press and use the keys to step through the available settings. Select MAN. 4 Use the key to select the Meas Avg: value field. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 178: Achieving Stable Results With Gsm Signals
Length Experimentally, a setting of 148 gives optimum results although settings in the order of 31 or 32 give acceptable results if a faster measurement is required. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 179: Electromagnetic Compatibility (Emc) Measurements
However, the presence of any dc voltages mixed with the signal has an adverse effect on the accuracy of the power measurement. E9304A sensor is DC coupled. DC voltages in excess of the maximum value CAUTION (5 VDC) can damage the sensing diode. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 180: Measurement Accuracy And Speed
The power meter has no internal ranges. The only ranges you can set are those of the E9300 E-Series power sensors (and other Keysight Technologies E-Series power sensors). With an E-Series E9300 power sensor the range can be set either automatically or manually.
Page 181: Measurement Considerations
E9300/1/4A sensor, where the range switch point is –10 ± 0.5 dBm in a pulsed signal configured as follows: Characteristic Value Peak Amplitude –6 dBm Duty Cycle The calculated average power is –12 dBm. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 182 You can achieve best accuracy by selecting the high power path or best speed by selecting the low power path. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 183: Using E4410 E-Series Power Sensors
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using E4410 E-Series Power Sensors Introduction Power Meter Configuration Measurement Accuracy This chapter describes how to use your E4410 E-Series power sensors with N1913/1914B EPM Series power meters.
Page 184: Introduction
Multi-tone signals (containing multiple frequency components), or signals with significant harmonic content (> –45 dBc) may introduce measurement errors at high power levels. Please refer to the documentation supplied with your E-Series E4410 power sensor for specification and calibration information. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 185: Power Meter Configuration
Minimum Sensor Power Figure 5-1 E-Series CW sensor auto-averaging settings These values are valid only for the power meter channel connected with E-Series NOTE E4410 power sensor. Averaging settings can also be manually configured. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 186: Default Channel Setup
When an E-Series E4410 power sensor is connected the following Channel Setup is automatically configured. Carrying out a Preset returns the channel to this configuration. Figure 5-2 E-Series E4410 default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 187: Measurement Accuracy
The Zeroing pop-up is displayed. Zero 4 Connect the power sensor to the POWER REF output. 5 Press and the channel softkey to start the calibration routine. The Calibrating pop-up is then displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 188: Figure 5-3 Frequency Pop-Up
8 Confirm your choice by pressing 9 Press key to close the Channel Setup screen. Make the measurement now. 10 Connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 189 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using 8480 Series Power Sensors Introduction Power Meter Configuration Measurement Accuracy Frequency Specific Calibration Factors Sensor Calibration Tables This chapter describes how to use your 8480 Series power sensors with N1913B/ N1914B EPM Series power meter.
Page 190: Using 8480 Series Power Sensors
Likewise, they cannot be used to make peak or time gated measurements. Please refer to the documentation supplied with your Keysight 8480 Series power sensors for specification and calibration information. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 191: Power Meter Configuration
Minimum Sensor Power Figure 6-1 8480 Series auto-averaging settings These values are valid only for the power meter channel connected with NOTE Keysight 8480 Series power sensors. Averaging settings can also be manually configured. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 192: Default Channel Setup
Using 8480 Series Power Sensors Default Channel Setup shows the Channel Setup configured automatically. Presetting returns Figure 6-2 the power meter to this configuration. Figure 6-2 8480 Series default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 193: 8480 Series Sensors Connection Requirements
POWER REF. Remove this adapter before making measurements. 8485D Prior to calibration, a Keysight 11708A 30 dB reference attenuator and an APC 3.5 (f) to 50  (m) N-Type adapter (08485-60005) should be connected between the power sensor and the POWER REF.
Page 194: Measurement Accuracy
The power meter automatically selects and applies the calibration factor from the selected table. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 195: Frequency Specific Calibration Factors
. The reference calibration REF CF factor pop up window is displayed as shown in Figure 6-3. Use the numeric keypad to enter the required value in the Ref Cal Factor pop-up menu. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 196: Figure 6-3 Reference Calibration Factor Pop-Up Window
. The value is displayed on the Cal Fac field. Offset Does this setting match the value for the sensor? (The power sensor reference NOTE calibration factor can normally be found above the calibration factors table on the power sensor body.) Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 197: Figure 6-4 Calibration Factor Pop-Up Window
Calibration factor pop-up window 11 Press to complete the entry. 12 Connect the power sensor to the signal to be measured. 13 The corrected measurement result is displayed. Calibration Factor Figure 6-5 Calibration factor display Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 198 When no sensor tables are selected and display mode is Single Numeric NOTE chosen, the calibration factor used for the measurement is displayed in the upper window as shown in Figure 6-5. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 199: Sensor Calibration Tables
The data in these tables is based on statistical averages for a range of Keysight Technologies power sensors. Your own sensor will most likely differ from the typical to some degree. If you require best accuracy, create a custom table for each sensor you use as shown in “Editing/Generating Sensor Calibration Tables”...
Page 200: Figure 6-6 Sensor Table Selected
Figure 6-7 shows which offset table is selected. Sensor Table 5 Selected Figure 6-7 Frequency dependent offset indicator 4 To change the frequency, press and use the keys to highlight the Frequency field. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 201: Figure 6-8 Frequency/Calibration Table Display
Also, pressing Offset displays the frequency you entered and calibration factor for each channel derived from the selected sensor tables. Figure 6-8 Frequency/calibration table display Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 202: Editing/Generating Sensor Calibration Tables
[b] The 8482B and 8482H power sensors use the same data as the 8482A. There are also ten sensor calibration tables named CUSTOM_0 through CUSTOM_9. These tables do not contain any data when the power meter is shipped from the factory. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 203: Figure 6-9 "Sensor Tbls" Screen
Sensor Cal Tables Figure 6-9 “Sensor Tbls” screen 2 Choose the table you want to edit using the keys. Press to display the Edit Cal screen as shown in Figure 6-10. Edit Table Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 204: Figure 6-10 "Edit Cal" Display
Edit table title pop-up – Pressing adds a new character to the right of the selected Insert Char character. – Pressing removes the selected character. Delete Char 4 Press to complete the entry. Enter Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 205 If you measure a signal with a frequency outside the frequency range defined in the sensor calibration table, the power meter uses the highest or lowest frequency point in the sensor calibration table to calculate the offset Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 206: Pre-Installed Calibration Table Contents
3 GHz 98.6 15 GHz 4 GHz 98.6 16 GHz 5 GHz 98.5 17 GHz 92.7 6 GHz 98.5 18 GHz 91.8 7 GHz 98.6 Keysight 8482A 8 GHz 98.7 9 GHz 99.5 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 207 32 GHz 93.7 25 GHz 92.4 33 GHz 93.7 26 GHz 92.2 34 GHz 94.9 26.5 GHz 92.1 34.5 GHz 94.5 Keysight R8486D 35 GHz 94.4 97.6 36 GHz 93.7 50 MHz 97.6 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 208 35 GHz 97.6 10 GHz 98.1 36 GHz 11 GHz 97.8 37 GHz 98.2 12 GHz 97.6 38 GHz 97.4 12.4 GHz 97.6 39 GHz 97.6 14 GHz 97.4 40 GHz 16 GHz Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 209 33.5 GHz 91.3 18 GHz 96.3 34.5 GHz 19 GHz 95.9 35 GHz 91.7 20 GHz 95.2 36 GHz 91.5 21 GHz 95.6 37 GHz 92.1 22 GHz 95.5 38 GHz 91.7 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 210 29 GHz 94.4 45 GHz 88.2 30 GHz 46 GHz 31 GHz 93.7 47 GHz 86.4 32 GHz 93.8 48 GHz 85.3 33 GHz 49 GHz 84.7 34 GHz 93.2 50 GHz 82.9 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 211: Using N8480 Series Power Sensors
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using N8480 Series Power Sensors Introduction Power Meter Configuration Changes Default Channel Setup N8480 Series Sensors Connection Requirements N8480 Series Power Sensors (excluding Option CFT) N8480 Series Power Sensors with Option CFT This chapter describes how to use your N8480 Series power sensors with N1913/ 1914B EPM Series power meters.
Page 212: Introduction
Likewise, they cannot be used to make peak or time gated measurements. Please refer to the documentation supplied with your Keysight N8480 Series power sensors for specification and calibration information. [1] The calibration factor table stored in the EEPROM is not applicable for N8480 Series sensors with Option CFT.
Page 213: Power Meter Configuration Changes
Using N8480 Series Power Sensors Power Meter Configuration Changes The N1913B/N1914B EPM Series power meter recognizes when a N8480 Series power sensor is connected. The N8480 Series power sensors’ (excluding Option CFT) calibration data is automatically read by the power meter. In addition, the...
Page 214: Default Channel Setup
When a N8480 Series power sensor is connected, the following Channel Setup is automatically configured. Presetting returns the channel to this configuration. Figure 7-2 N8480 Series (excluding Option CFT) default channel setup Figure 7-3 N8480 Series with Option CFT default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 215: N8480 Series Sensors Connection Requirements
POWER REF.Remove this adapter before making measurements. This sensor requires an APC 2.4 (f ) to 50  (m) N-Type adapter (08487-60001) to connect to the N8487A N8488A POWER REF. Remove this adapter before making measurements. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 216: N8480 Series Power Sensors (Excluding Option Cft)
– Connect the power sensor to the POWER REF output. – Press . (For dual channel meters, press Zero + Cal as required). Zero + Cal Zero + Cal A Zero + Cal B Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 217: Figure 7-4 Frequency Pop-Up
6 Confirm your choice by pressing 7 Press key to close the Channel Setup screen. Proceed to make the measurement. 8 Connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 218: N8480 Series Power Sensors With Option Cft
Using this method requires the following steps: 1 Zero and calibrate the power meter/sensor combination. 2 Set the calibration factor value for the frequency of the signal you want to measure. 3 Proceed to make the measurement. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 219: Figure 7-5 Reference Calibration Factor Pop-Up Window
The Zeroing pop-up is displayed. and the channel Zero 7 Connect the power sensor to the POWER REF output. 8 Press and the channel softkey to start the calibration routine. The Calibrating pop-up is then displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 220: Figure 7-6 Calibration Factor Pop-Up Window
Cal Fac value field and press to display the Cal Factor pop-up. Use the numeric keypad to enter the required value in the Cal Factor pop-up window. Figure 7-6 Calibration factor pop-up window Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 221: Figure 7-7 Calibration Factor Displayed
3 Use the numeric keypad to enter 99.8 in the Ref Cal Factor pop-up window. 4 Press to complete the entry. 5 Press softkey. The Zeroing pop-up is displayed. and the channel Zero Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 222 When no sensor tables are selected and display mode is Single Numeric NOTE chosen, the calibration factor used for the measurement is displayed in the upper window as shown in Figure 7-7. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 223: Sensor Calibration Tables
The data in these tables is based on statistical averages for a range of Keysight Technologies power sensors. Your own sensor will most likely differ from the typical to some degree. If you require best accuracy, create a custom table for each sensor you use as shown in “Editing/Generating Sensor Calibration...
Page 224: Selecting A Sensor Calibration Table
Select sensor calibration table as follows: 1 Press Tables Sensor Cal Tables 2 Use the keys to highlight one of the 20 table titles and press to highlight Table Figure 7-8 Sensor table selected Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 225: Figure 7-9 Frequency Dependent Offset Indicator
If you enter a frequency outside the frequency range defined in the sensor calibration table, the power meter uses the highest or lowest frequency point in the sensor calibration table to set the calibration factor. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 226: Figure 7-10 Frequency/Calibration Table Display
Also, pressing Offset displays the frequency you entered and calibration factor for each channel derived from the selected sensor tables. Figure 7-10 Frequency/calibration table display Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 227: Editing/Generating Sensor Calibration Tables
Predefined sensor calibration factor table stored in power meter is not NOTE applicable for Keysight N8480 Series power sensors with Option CFT. Therefore, users are required to create a new sensor calibration table for the sensors when a sensor calibration table is needed.
Page 228: Figure 7-11 "Sensor Tbls" Screen
Sensor Cal Tables Figure 7-11 “Sensor Tbls” screen 2 Choose the table you want to edit using the keys. Press to display the Edit Cal screen as shown in Figure 7-12. Edit Table Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 229: Figure 7-12 "Edit Cal" Display
Edit table title pop-up – Pressing adds a new character to the right of the selected Insert Char character. – Pressing removes the selected character. Delete Char 4 Press to complete the entry. Enter Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 230 If you measure a signal with a frequency outside the frequency range defined in the sensor calibration table, the power meter uses the highest or lowest frequency point in the sensor calibration table to calculate the offset Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 231 Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using U2000 Series USB Power Sensors Introduction Power Meter Configuration Measurement Accuracy Electromagnetic Compatibility (EMC) Measurements Measurement Accuracy and Speed This chapter describes how to use your U2000 Series USB power sensors with...
Page 232: Introduction
The U2000 Series power sensors with firmware revision of A1.02.01 and below NOTE are tested with the N1913B/N1914B EPM Series power meters. [1] November 1986 Hewlett-Packard Journal pages 14-2, “Diode Integrated Circuits for Milimeter-Wave Applications.
Page 233: Power Meter Configuration
The power meter also configures the auto-averaging settings shown in Figure 8-1 to suit the power sensor characteristics. These values are valid only for the power meter channel connected with U2000 NOTE series USB power sensors. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 234: Figure 8-1 U2000 Series Auto-Averaging Settings
128 1024 1024 1024 –25 dBm –55 dBm –45 dBm 512 1024 1024 1024 –30 dBm –60 dBm –50 dBm Minimum Sensor Power Within a Range Figure 8-1 U2000 Series auto-averaging settings Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 235: Default Channel Setup
When an U2000 Series USB power sensor is connected, the following Channel Setup is automatically configured. Carrying out a Preset returns the power meter to this configuration. Figure 8-2 U2000 Series default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 236: Measurement Accuracy
Procedure 1 Zero the power meter/power sensor combination. 2 Ensure the power sensor is disconnected from any signal source. 3 Press and the channel softkey. Select the required channel. Zero Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 237: Figure 8-3 Frequency Pop-Up
Channel Setup screen. 8 Proceed to make the measurement. 9 Reconnect any required attenuators or adaptors and connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 238: Electromagnetic Compatibility (Emc) Measurements
However, the presence of any dc voltages mixed with the signal has an adverse effect on the accuracy of the power measurement. The U2004A sensor is DC coupled. DC voltages in excess of the maximum CAUTION value (5 VDC) can damage the sensing diode. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 239: Measurement Accuracy And Speed
The default is AUTO. In AUTO the range crossover value depends on the sensor model being used. Sensor Range Crossover Values – U2000A, U2001A, U2002A, U2004A 10 dBm + 1 dB U2000H, U2001H, U2002H 0 dBm + 1 dB U2000B, U2001B dBm + 1 dB Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 240: Measurement Considerations
For example, using an U2000/1/4A sensor, where the range switch point is –10 ± 1 dBm in a pulsed signal configured as follows: Characteristic Value Peak Amplitude –6 dBm Duty Cycle The calculated average power is –12 dBm. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 241 You can achieve best accuracy by selecting the high power path or best speed by selecting the low power path. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 242 Using U2000 Series USB Power Sensors THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 243: Using U8480 Series Usb Thermocouple Sensors
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using U8480 Series USB Thermocouple Sensors Introduction Power Meter Configuration Measurement Accuracy Zeroing Calibrating Zero+Cal FDO Table Editing This chapter describes how to use your U8480 Series USB thermocouple sensors with N1913/1914B EPM Series power meters...
Page 244: Introduction
–35 dBm to 20 dBm, at a DC to 120 GHz frequency range. Please refer to the documentation supplied with your U8480 Series USB thermocouple sensors for specifications and calibration information. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 245: Power Meter Configuration
These values are valid only for the power meter channel connected with U8480 NOTE Series USB thermocouple sensors. Resolution setting Maximum power 20 dBm 10 dBm 0 dBm –10 dBm –20 dBm –30 dBm –35 dBm Minimum power Figure 9-1 U8480 Series auto-averaging settings Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 246: Default Channel Setup
Channel Setup is automatically configured. Carrying out a Preset returns the power meter to this configuration. The U8480 Series thermocouple sensor does not support auto-ranging. Figure 9-2 U8480 Series default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 247: Measurement Accuracy
. On dual channel meters select the required channel. 5 Use the keys to highlight the Frequency value field and press to display the Frequency pop-up. Use the numeric keypad to enter the required value in the Frequency pop-up window. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 248: Figure 9-3 Frequency Pop-Up
Channel Setup screen. 8 Proceed to make the measurement. 9 Reconnect any required attenuators or adaptors and connect the thermocouple sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 249: Zeroing
When zeroing is triggered via the front panel or SCPI, the following pop-up message shall appear: Figure 9-4 Zeroing pop-up message Should an error occur during zeroing, the following pop-up message will appear: Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 250: Figure 9-5 Zeroing Error Pop-Up Message
Using U8480 Series USB Thermocouple Sensors Figure 9-5 Zeroing error pop-up message Error messages will be logged in the Error Log in System > Error List. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 251: Calibrating
On and Off under the Auto Cal state. If the calibration type is set to Ext, the Auto Cal state will be set to Off and the softkey will be greyed out. When calibration is performed via the front panel or SCPI, the following message will appear: Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 252: Figure 9-7 Calibration Pop-Up Message
Should an error occur during calibration, the following pop-up message will appear: Figure 9-8 Calibration error pop-up message Error messages will be logged in the Error Log in System > Error List. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 253: Zero+Cal
FDO Table Editing When editing FDO table entries, the kHz softkey will be enabled when a U8480 USB thermocouple sensor is connected to a N1913B/N1914B EPM Series power meter. The minumum entry for the frequency value is 0 kHz. Figure 9-9 FDO table editing Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 254 Using U8480 Series USB Thermocouple Sensors Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 255: Using U2040 Series Power Sensors
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using U2040 Series Power Sensors Introduction Power Meter Configuration Measurement Accuracy This chapter describes how to use your U2040 Series power sensors with N1913/1914B EPM Series power meters.
Page 256: Introduction
The U2040 X-Series takes up to 50,000 super-fast readings per second (in fast/ buffer mode/average mode), a ten times improvement over Keysight's previous sensor offerings, allowing test engineers to increase test throughput capacity and reduce cost of test especially in high volume manufacturing environments such as mobile chipset manufacturing.
Page 257: Power Meter Configuration
Using U2040 Series Power Sensors Power Meter Configuration The N1913B/N1914B EPM Series power meters automatically recognize the U2040 Series USB power sensor (except U2049XA) when it is connected. The sensor calibration data is automatically read by the power meter. The power...
Page 258 –60 dBm –58 dBm –56 dBm –54 dBm –52 dBm –50 dBm –48 dBm –46 dBm –44 dBm –42 dBm –40 dBm –38 dBm –36 dBm –34 dBm –32 dBm –30 dBm Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 259: Figure 10-1 U2040 Series Auto-Averaging Settings
1, 0.1, 0.01, 0.001 dB respectively if the measurement suffix is dBm or dB. – 1, 2, 3, or 4 significant digits respectively if the measurement suffix is W or %. Figure 10-1 U2040 Series auto-averaging settings Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 260: Default Channel Setup
When the U2040 Series USB power sensor (except U2049XA) is connected, the following Channel Setup is automatically configured. Carrying out a Preset returns the channel to this configuration. Figure 10-2 U2040 Series default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 261: Measurement Accuracy
. On dual channel meters select the required channel. 5 Use the keys to highlight the Frequency value field and press to display the Frequency pop-up. Use the numeric keypad to enter the required value in the Frequency pop-up window. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 262: Figure 10-3 Frequency Pop-Up
Channel Setup screen. 8 Proceed to make the measurement. 9 Reconnect any required attenuators or adapters and connect the thermocouple sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 263: Using 2050/60 X-Series Wide Dynamic Range Usb Power Sensors
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Using 2050/60 X-Series Wide Dynamic Range USB Power Sensors Introduction Power Meter Configuration Measurement Accuracy This chapter describes how to use your 2050/60 X-Series USB power sensors with N1913/1914B EPM Series power meters.
Page 264: Introduction
USB based interface. Please refer to the documentation supplied with your 2050/60 X-Series USB power sensor for specification and calibration information. N1913B/N1914B EPM Series power meters support 2050/60 X-Series USB NOTE power sensors for free-run average power measurements and aperture time setting only.
Page 265: Power Meter Configuration
Using 2050/60 X-Series Wide Dynamic Range USB Power Sensors Power Meter Configuration The N1913B/N1914B EPM Series power meters automatically recognize the 2050/60 X-Series USB power sensor when it is connected. The sensor calibration data is automatically read by the power meter. The power meter also configures...
Page 266 Using 2050/60 X-Series Wide Dynamic Range USB Power Sensors Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 267: Figure 11-1 2050/60 X-Series Auto-Averaging Settings
Using 2050/60 X-Series Wide Dynamic Range USB Power Sensors Figure 11-1 2050/60 X-Series auto-averaging settings Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 268: Default Channel Setup
When the 2050/60 X-Series USB power sensor is connected, the following Channel Setup is automatically configured. Carrying out a Preset returns the channel to this configuration. Figure 11-2 2050/60 X-Series default channel setup Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 269: Measurement Accuracy
. On dual channel meters select the required channel. 5 Use the keys to highlight the Frequency value field and press to display the Frequency pop-up. Use the numeric keypad to enter the required value in the Frequency pop-up window. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 270: Figure 11-3 Frequency Pop-Up
Channel Setup screen. 8 Proceed to make the measurement. 9 Reconnect any required attenuators or adapters and connect the thermocouple sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 271: Maintenance
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Maintenance Self Test Error Messages Operator Maintenance Connector Maintenance Contacting Keysight Technologies Erasing Memory Data Returning Your Power Meter for Service This chapter describes the built-in tests, error messages and general maintenance.
Page 272: Self Test
Self Test menu that Press 1 of 2 Service Self Test consists of the following: – Instrument Self Test – Keyboard – Bitmaps Displays – RTC Battery – Time Base Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 273: Instrument Self Test
When the test is complete, the result will be displayed. Press to return to Done the Service menu. If the self test failed, information about the failure is displayed on the screen. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 274: Remote Testing
An array of test on various DC voltages inside power meter. Calibrator The reference calibrator is turned on (indicated by the POWER REF LED) and measured internally. A pass or fail result is returned. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 275 An error will be logged in the error list if the test fails. Channel CW Path A brief test on CW meter linearity performance. Ensure that all power sensors have been disconnected from the meter before NOTE performing self-test. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 276: Error Messages
Other errors can also be generated when the power meter is being operated over the remote interface. These errors also display the error indicator and are written to the error queue. Error Indicator Figure 12-2 Error indicator position Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 277 Clear Errors To delete all the errors in the queue remotely use: – the *CLS (clear status) command. The error queue is also cleared when the instrument power has been switched off. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 278: Error Message List
An invalid character was found in the number specified for a parameter value. For example, SENS:AVER:COUN 128#H. – Exponent too large A numeric parameter was found whose exponent was larger than 32,000. For example, SENS:COUN 1E34000. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 279 A legal block data element was encountered but not allowed by the power meter at this point. For example, SYST:LANG #15FETC?. – Expression data not allowed A legal expression data was encountered but not allowed by the power meter at this point. For example, SYST:LANG (5+2). Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 280 When CAL[1|2]:RCAL is set to ON and the sensor currently connected to Channel A has not been zeroed and calibrated, then any command which would normally return a measurement result (for example FETC?, READ?, or MEAS?) will generate this error message. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 281 Data questionable; Input Overload ChA The power input to Channel A exceeds the power sensor’s maximum range. – Data questionable; Input Overload ChB The power input to Channel B exceeds the power sensor’s maximum range. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 282 System error; Sensor EEPROM Read Failed - unknown EEPROM table format This indicates a failure with your E-Series Power Sensor. Refer to your power sensor manual for details on returning it for repair. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 283 A command was received which sends data to the output buffer, but the output buffer contained data from a previous command (the previous data is not overwritten). The output buffer is cleared when power has been off, or after *RST (reset) command has been executed. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 284 A command was received which generates too much data to fit in the output buffer and the input buffer is also full. Command execution continues but data is lost. – Query UNTERMINATED after indefinite response The *IDN? command must be the last query command within a command string. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 285: Operator Maintenance
2 Install the correct fuses in the respective “In line” positions as shown in Figure 12-3. (The N1913B/1914B requires two fuses.) 3 Replace the fuse holder assembly in the rear panel. In-line Fuse Figure 12-3 Replacing the fuses Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 286: Connector Maintenance
– Do not overtighten connectors and do not allow them to become loose — use a torque wrench. – Do not mate dissimilar families, for example APC-3.5 and SMA. – Avoid temperature extremes. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 287: Contacting Keysight Technologies
Keysight Technologies. This chapter contains a checklist that will help identify some of the most common problems. If you wish to contact Keysight Technologies about any aspect of the power meter, from service problems to ordering information, refer to “”...
Page 288: Check The Basics
Problems can be solved by repeating what was being performed when the problem occurred. A few minutes spent in performing these simple checks may eliminate time spent waiting for instrument repair. Before calling Keysight Technologies or returning the power meter for service, please make the following checks: –...
Page 289: Recommended Calibration Interval
Version – from the serial number label. The serial number label is attached to the rear of each Keysight Technologies instrument. This label has two instrument identification entries. The first provides the instruments serial number and the second provides the identification number for each option built into the instrument.
Page 290: Erasing Memory Data
If you need to erase the EPM Series Power Meter’s memory, for example, before you return it to Keysight Technologies for repair or calibration, of all data stored in it. The memory data erased includes the save/recall states and power on last states.
Page 291: Returning Your Power Meter For Service
Keysight Technologies. Packaging the Power Meter for Shipment Use the following steps to package the power meter for shipment to Keysight Technologies for service: – Fill in a blue service tag (available at the end of this guide) and attach it to the power meter.
Page 292 Maintenance THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 293: Characteristics And Specifications
Keysight N1913B/N1914B EPM Series Power Meters User’s Guide Characteristics and Specifications Characteristics and Specifications Environmental Specifications This chapter provides information on physical specification, shipping dimensions and reference to the Technical Overview document.
Page 294: Physical Specifications
Characteristics and Specifications Characteristics and Specifications For the characteristics and specifications of the N1913B/N1914B EPM Series Power Meters, refer to the datasheet at http://literature.cdn.keysight.com/litweb/pdf/5990-4019EN.pdf. Physical Specifications Table 13-1 Physical Specifications Weight Model Dimensions N1913B 3.6 kg (8.0 lbs) 8.2 kg (18.1 lbs) 212.6 mm W x 88.5 mm H x 348.3 mm D (8.5 in x 3.5...
Page 295: Environmental Specifications
Characteristics and Specifications Environmental Specifications N1913B/N1914B EPM Series Power Meters are designed for indoor use in an area with low condensation. Table 13-2 shows the environmental specifications for these instruments. Table 13-2 N1913B/N1914B Environmental Specifications Environmental condition Requirement Operating condition –...
Page 296 Characteristics and Specifications THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1913B/N1914B EPM Series Power Meters User’s Guide...
Page 297 This information is subject to change without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2024 Edition 3, September 11, 2024 Printed in Malaysia *N1914-90004* N1914-90004 www.keysight.com...

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