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Fluke 8845A User Manual

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July 2006
© 2006 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.
8845A/8846A
Digital Multimeter
Users Manual
®

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Summary of Contents for Fluke 8845A

  • Page 1 ® 8845A/8846A Digital Multimeter Users Manual July 2006 © 2006 Fluke Corporation. All rights reserved. All product names are trademarks of their respective companies.
  • Page 2 Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.

  • Page 3: Table Of Contents

    Table of Contents Chapter Title Page Introduction and Specifications............1-1 Introduction......................1-3 Manual Set ......................1-3 About this Manual ..................... 1-4 Safety Information ..................... 1-4 General Safety Summary................1-4 Symbols ......................1-6 Instrument Security Procedures ................. 1-6 Volatile Memory ................... 1-6 Non Volatile Memory..................
  • Page 4 Measurement Rates ..................1-20 Preparing the Meter for Operation ............. 2-1 Introduction......................2-3 Unpacking and Inspecting the Meter ..............2-3 Contacting Fluke....................2-3 Storing and Shipping the Meter ................. 2-3 Power Considerations ..................2-3 Selecting the Line Voltage ................2-4 Replacing the Fuses..................
  • Page 5 (continued) Contents Configuring the Remote Interface ..............3-22 Checking the Meter’s Calibration Date ............. 3-22 Resetting the Meter’s Default Settings .............. 3-22 Making Measurements ................ 4-1 Introduction......................4-3 Selecting Function Modifiers................4-3 Activating the Secondary Display ..............4-3 Measuring Voltage..................... 4-4 Measuring DC Voltage..................
  • Page 6 8845A/8846A Users Manual...

  • Page 7: List Of Tables

    Non-volatile Memory Space .................. 1-7 1-3. Accessories......................1-7 2-1. Line Voltage to Fuse Rating................... 2-5 2-2. Line Power Cord Types Available from Fluke ............2-7 3-1. Front-Panel Controls and Connectors ..............3-3 3-2. Display Elements ....................3-5 3-3. Rear-Panel Conncetors................... 3-6...
  • Page 8 8845A/8846A Users Manual...

  • Page 9: List Of Figures

    Page 2-1. Replacing the Line Fuse..................2-5 2-2. Replacing the Current Input Fuses ................. 2-6 2-3. Line Power Cords Types Available from Fluke............. 2-7 2-4. Bail Adjustment and Removal ................2-8 3-1. TrendPlot Display ....................3-14 3-2. Histogram Display ....................3-14 4-1.
  • Page 10 8845A/8846A Users Manual viii...

  • Page 11: Introduction And Specifications

    Chapter 1 Introduction and Specifications Title Page Introduction......................1-3 Manual Set ......................1-3 About this Manual .....................1-4 Safety Information .....................1-4 General Safety Summary................1-4 Symbols ......................1-6 Instrument Security Procedures .................1-6 Volatile Memory ...................1-6 Non Volatile Memory..................1-7 Media Memory (8846A Only)...............1-7 Accessories ......................1-7 General Specifications ..................1-9 Power......................1-9 Dimensions ....................1-9 Display......................1-9...
  • Page 12 8845A/8846A Users Manual Diode Test .....................1-20 Measurement Rates ..................1-20...

  • Page 13: Introduction

    Introduction and Specifications Introduction Introduction The 8845A and 8846A are 6-1/2 digit, dual-display multimeters designed for bench-top, field service, and system applications. Their full complement of measurement functions plus its RS-232, IEEE 488, and Ethernet Remote Interfaces makes these multimeters ideal candidates for precision manual measurements and use in automated systems.

  • Page 14: About This Manual

    Users Manual About this Manual This is the Users Manual for the 8845A and 8846A Digital Multimeters (hereafter referred to as the Meter). It contains all of the information a new user will need to operate the Meter effectively. The manual is divided into the following chapters: Chapter 1 “Introduction and Specifications”...
  • Page 15 Introduction and Specifications Safety Information Table 1-1. Safety Information XW Warning To avoid possible electric shock, personal injury, or death, read the following before using the Meter: Use the Meter only as specified in this manual, or the protection provided by the Meter might be impaired.

  • Page 16: Symbols

    Static awareness. Static discharge Do not dispose of this product as unsorted can damage part(s) municipal waste. Contact Fluke or a qualified recycler for disposal Instrument Security Procedures This section describes the Meter’s memory elements and the procedures for clearing them.

  • Page 17: Non Volatile Memory

    8846A: 1. Press M. 2. Select the MANAGE MEMORY soft key. 3. Select the ERASE USB MEMORY soft key. Accessories Table 1-3 lists the available accessories for the 8845A and 8846A. Table 1-5. Accessories Model/Fluke PN Description TL71...
  • Page 18 8845A/8846A Users Manual Table 1-3. Accessories (cont) Model/Fluke PN Description TL910 Precision Electronic Probe Set TL80A Basic Electronic DMM Test Set TL2X4W-PT 2X4 Wire Ohms Test Lead TL2X4W-TWZ 2X4 Wire Ohms SMD Test Tweezer 6262-02 Test Probe Tip Adapter, Extended Fine Point...

  • Page 19: General Specifications

    Introduction and Specifications General Specifications General Specifications Power Voltage 100 V Setting ............90 V to 110 V 120 V Setting ............108 V to 132 V 220 V Setting ............198 V to 242 V 240 V Setting ............216 V to 264 V Frequency ...............

  • Page 20: Memory

    Input Protection ............ 1000 V all ranges Overrange .............. 20 % on all ranges except 1000 V dc, 1000 V ac (8846A), 750 V ac (8845A), Diode, and 10 A ranges Remote Interfaces RS-232 (RS-232 to USB cable available to connect the Meter to a PC USB port. See accessories) IEEE 488.2...

  • Page 21: Ac Voltage Specifications

    0.1 % of range, and for 50 to 100 kHz, add 0.13 % of range. Maximum Input............750 V rms or 1000 V peak (8845A), 1000 V rms or 1414 V peak (8846A) or 8 x 10 Volts-Hertz product (whichever is less) for any range.

  • Page 22: Input Characteristics

    8845A/8846A Users Manual Input Characteristics Resolution Full Scale Range Input Impedance (6½ Digits) 4½ Digits 5½ Digits 6½ Digits 100 mV 100.0000 mV 10 µV 1 µV 100 nV 1.000000 V 100 µV 10 µV 1 µV 2 % shunted 10 V 10.00000 V...

  • Page 23: Resistance

    Introduction and Specifications Electrical Specifications 8845A Accuracy Accuracy is given as (% measurement + % of range) Temperature Frequency 24 Hour 90 Days 1 Year Range Coefficient/ C (Hz) 1 C) 5 C) 5 C) Outside 18 to 28 C 100 mV 3 –...
  • Page 24 0.8 + 0.01 0.8 + 0.01 0.15 + 0.0002 1.0 + 0.01 1.5 + 0.01 2.0 + 0.01 0.6 + 0.0002 8845A Accuracy Accuracy is given as (% measurement + % of range) Temperature 24 Hour 90 Days 1 Year...

  • Page 25: Dc Current

    0.1 + 0.008 0.12 + 0.008 0.15 + 0.008 0.005 + 0.0008 [1] Part of 10 A range [2] Available at front panel connectors only Accuracy (8845A) Accuracy is given as (% measurement + % of range) Temperature 24 Hour 90 Days...

  • Page 26: Ac Current

    8845A/8846A Users Manual AC Current The following ac current specifications are for sinusoidal signals with amplitudes greater than 5 % of range. For inputs from 1% to 5 % of range, add an additional error of 0.1 % of range.
  • Page 27 0.35 + 0.7 0.35 + 0.7 0.35 + 0.7 0.03 + 0.006 [1] Part of 10 A range [2] Available only on front panel connectors 8845A Accuracy Accuracy is given as (% measurement + % of range) Temperature Frequency 24 Hour...

  • Page 28: Frequency

    0.01 0.01 0.001 [1] Input >100 mV. For 10 – 100 mV, multiply percent measurement error by 10. [2] Limited to 8 X 10 volt-Hertz 8845A Accuracy Accuracy is given as % measurement Temperature 24 Hour 90 Days 1 Year...

  • Page 29: Capacitance (8846A Only)

    Introduction and Specifications Electrical Specifications Capacitance (8846A Only) Accuracy is stated as (% of measurement + % of range) 1 Year Accuracy Temperature Coefficient/ C Range Resolution 5 C) Outside 18 to 28 C 1 nF 1 pF 0.05 + 0.05 2.5 % 10 nF 10 pF...

  • Page 30: Diode Test

    8845A/8846A Users Manual Diode Test Test Current............100 A or 1 mA Response Time ............. 300 samples/sec with audible tone. Accuracy is given as (% measurements + % of range) Temperature 24 Hour 90 Days 1 Year Range Coefficient/ C...

  • Page 31: Preparing The Meter For Operation

    Preparing the Meter for Operation Title Page Introduction......................2-3 Unpacking and Inspecting the Meter ..............2-3 Contacting Fluke....................2-3 Storing and Shipping the Meter ................. 2-3 Power Considerations ..................2-3 Selecting the Line Voltage ................2-4 Replacing the Fuses..................2-4 Line-Power Fuse ..................
  • Page 32 8845A/8846A Users Manual...

  • Page 33: Introduction

    Fluke immediately. Save the container and the packing material in case you have to return the Meter. Contacting Fluke To order accessories, receive operating assistance, or get the location of the nearest Fluke distributor or Service Center, call: USA:...

  • Page 34: Selecting The Line Voltage

    3. Remove the fuse and replace with one rated appropriately for the selected line-power voltage. See Table 2-1. 4. Replace the selector block back into the fuse holder. XW Warning To avoid electric shock or fire, do not use makeshift fuses or short-circuit the fuse holder. Use only Fluke fuses...

  • Page 35: Current-Input Fuses

    The 100 mA input is protected by a fuse (F2) rated at 440 mA, 1000 V (fast blow), 10,000 A minimum breaking capacity (Fluke Part No. 943121). The 10 A input is protected by a fuse (F1) rated at 11 A, 1000 V (fast blow), 10,000 A minimum breaking capacity (Fluke Part No.
  • Page 36 8845A/8846A Users Manual If the fuse is good, the Meter will read less than 1 . If the fuse is blown, the Meter will read overload. To replace the Current Input fuses, 1. Turn the Meter off, unplug the power cord from the Meter, and remove all test leads.

  • Page 37: Connecting To Line Power

    First verify that the line voltage selection is set to the correct position, and then that the correct fuse for that line voltage is installed. Connect the Meter to a properly grounded three-prong outlet. Table 2-2. Line Power Cord Types Available from Fluke Type Voltage/Current...

  • Page 38: Turning Power-On

    8845A/8846A Users Manual Turning Power-On XW Warning To avoid electric shock, connect the Meter’s power cord to a power receptacle with proper earth ground. A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation.

  • Page 39: Cleaning The Meter

    Preparing the Meter for Operation Cleaning the Meter Cleaning the Meter XW Warning To avoid electric shock or damage to the Meter, never get water inside the meter. W Caution To avoid damaging the Meter’s housing, do not apply solvents to the Meter.
  • Page 40 8845A/8846A Users Manual 2-10...

  • Page 41: Front-Panel Operation

    Chapter 3 Front-Panel Operation Title Page Introduction......................3-3 Controls and Indicators ..................3-3 Front-Panel Feature Descriptions ..............3-3 Display Panel....................3-4 Rear-Panel Connectors .................. 3-6 Adjusting the Meter’s Range................. 3-7 Navigating the Front-Panel Menu..............3-7 Configuring the Meter for a Measurement ............3-7 Setting the Display Resolution ..............
  • Page 42 8845A/8846A Users Manual Setting the Meter’s Date and Time..............3-21 Configuring the Remote Interface ..............3-22 Checking the Meter’s Calibration Date ............. 3-22 Resetting the Meter’s Default Settings .............. 3-22...

  • Page 43: Introduction

    RANGE FREQ MEAS TEMP ZERO ANALYZE PERIOD SETUP 8845A Only FREQ PERIOD caw04.eps Item Description Input HI and LO connectors. Input connectors for Volts, 2-wire Ohms, Hz, Period, Temperature, and Capacitance measurements. All measurements use the Input LO connector as a common input. The LO input is isolated, and may be safely floated up to 1000 V peak above earth ground regardless of the measurement type.

  • Page 44: Display Panel

    For the 8845A, the lower four keys change functions; see inset. Range keys. Selects between manual and auto range mode. Also increases or decreases the range when in manual ranging mode.
  • Page 45 Front-Panel Operation Controls and Indicators Table 3-2. Display Elements 100.0002 -0.4561 123.123. 123.123. ENTER caw02f.eps Item Description Primary display. Secondary display. Indicates PASS, HIGH or LOW for limits testing. Math function selected. Error detected. Memory enabled for storing readings. Extinguishes when last sample is stored. Soft key key labels.

  • Page 46: Rear-Panel Connectors

    8845A/8846A Users Manual Rear-Panel Connectors Table 3-3 indicates the connections on the rear panel and describes their use. Table 3-3. Rear-Panel Conncetors INPUT SENSE 1 / 4 A SLOW FUSE,100/120 VAC 47 - 440 Hz 1 / 8 A SLOW FUSE, 220/240 VAC...

  • Page 47: Adjusting The Meter's Range

    Front-Panel Operation Navigating the Front-Panel Menu Adjusting the Meter’s Range The range keys, (URV), switch the Meter between auto and manual ranging. The presence or absence of MAN in the display indicates the Meter’s range mode. All functions utilize these keys to control the Meter’s range except continuity, diode test, temperature (8846A only), frequency and period, which only have a single range.

  • Page 48: Setting The Ac Signal Filter

    8845A/8846A Users Manual The soft key labels are updated with five choices. 4 DIGIT .02 PLC 5 DIGIT .2 PLC 5 DIGIT 1 PLC 6 DIGIT 10 PLC 6 DIGIT 100 PLC These choices determine the displayed resolution (4½, 5½, and 6½ digits) and the measurement cycle time in reference to the power ling frequency in cycles (PLC) For example, selecting 5 DIGIT 1 PLC will display 5½...

  • Page 49: Setting The Default Temperature Scale (8846A Only)

    Setting the Diode Test Voltage and Current To set the diode test current: 1. Press S twice on the 8846A , or press D once on the 8845A, to select the Diode function. 2. Press the 1mA or 0.1mA soft key to set the diode test current.

  • Page 50: Collecting Statistics On Measurements

    8845A/8846A Users Manual Collecting Statistics on Measurements The statistical analysis function displays the minimum and maximum measurements of a series of Meter measurements. The Meter also calculates an average and a standard deviation value for the same measurement series. This function also provides control over the starting and stopping of the measurement series.

  • Page 51: Testing Using Limits

    Front-Panel Operation Using the Analyze Functions 2. Press ENTER to set the number of samples. Note Setting the number of samples to zero will cause the Meter to collect samples continuously. Testing Using Limits The limits function provides Pass/Fail testing to user specified upper and lower limits. The upper and lower limits are stored in volatile memory and will be set to zero when the Meter is first turned on or the meter receives a reset through the remote interface.

  • Page 52: Setting An Offset Value

    8845A/8846A Users Manual Setting an Offset Value The offset function provides a means of displaying the difference between a measured value and a stored offset value. This type of measurement is referred to as a relative measurement. There are two methods of entering an offset value into the Meter. The first method is to enter a specified number into the offset register either through the front-panel or over the remote interface.

  • Page 53: Using Trendplot

    Front-Panel Operation Using the Analyze Functions To enter the B value: 7. Press the B soft key. To select the digit to adjust, press either <-- or -->. With the desired digit selected, press the soft key labeled -- to decrement the digit or ++ to increment the character.

  • Page 54: Using The Histogram Function

    8845A/8846A Users Manual As shown in Figure 3-1, the display will start plotting the readings across the plot area, and the maximum, minimum, and elapsed time are displayed. STOP caw057.eps Figure 3-1. TrendPlot Display To stop the TrendPlot session, press B or the STOP soft key.

  • Page 55: Controlling Trigger Functions

    Front-Panel Operation Controlling Trigger Functions The display will start adjusting the bar graph as the number of readings accumulates. The mean and standard deviation values also change in accordance with the collected readings. To start the histogram session over, press the STOP soft key followed by the RESTART soft key.

  • Page 56: Setting The Trigger Delay

    8845A/8846A Users Manual each trigger or pulse received, the Meter will take the specified number of measurements after the specified trigger delay. Note The trigger key is disabled whenever the Meter is in Remote mode. To set up for an external trigger: 1.

  • Page 57: Understanding The Measurement Complete Signal

    Meter. Optional Memory in various storage capacities is available from Fluke. See the “Options and Accessories” section in Chapter 1 for Fluke part numbers. In addition to storing and recalling readings and configurations, a memory management function is available to delete files.

  • Page 58: Recalling Readings From Memory

    8845A/8846A Users Manual Note For internal storage of readings, the number of readings stored will not exceed 9999 readings regardless of the value set for number of samples. To store readings in external memory (8846A Only) 1. Press M. 2. Press the STORE READINGS soft key.

  • Page 59: Recalling A Meter Configuration

    Front-Panel Operation Controlling Trigger Functions To store a meter configuration in the Meter’s internal memory: 1. Press M. 2. Press the STORE CONFIG soft key as shown below. 0.5993 caw033.eps 3. Press the STORE INT MEM soft key. 4. Press one of the five soft keys labeled with the desired memory location to store the present Meter configuration.

  • Page 60: Managing Memory

    8845A/8846A Users Manual 1. Press M. 2. Press the RECALL CONFIG soft key. 3. Press the RECALL USB soft key. The Meter labels the first four soft keys with the first four memory locations. CONFIG01 through CONFIG04. The fifth soft key is labeled MORE to allow access to all 100 memory locations.

  • Page 61: Controlling System-Related Operations

    Front-Panel Operation Controlling System-Related Operations Controlling System-Related Operations Identifying Meter Errors When the Meter detects an error, the error annunciator (item 5 in Table 3-2) is illuminated, and the beeper sounds. A list of possible Meter errors can be found in Appendix B of this manual.

  • Page 62: Configuring The Remote Interface

    8845A/8846A Users Manual 4. To adjust the display to the desired date and time, press either <-- or --> to select a specific digit or the month. With the desired digit or month selected, press the soft key labeled -- to decrement the digit, or ++ to increment the digit.

  • Page 63: Making Measurements

    Chapter 4 Making Measurements Title Page Introduction......................4-3 Selecting Function Modifiers................4-3 Activating the Secondary Display ..............4-3 Measuring Voltage..................... 4-4 Measuring DC Voltage.................. 4-4 Measuring AC Voltage.................. 4-5 Measuring Frequency and Period ..............4-6 Measuring Resistance ..................4-7 Making a Two-Wire Resistance Measurement ..........4-7 Making a Four-Wire Resistance Measurement ..........
  • Page 64 8845A/8846A Users Manual...

  • Page 65: Introduction

    Making Measurements Introduction Introduction XWWarning To avoid possible electrical shock, and/or damage to the Meter, Read the safety information found in Chapter 1 before operating this meter. Do not apply more than 1000 volts between any terminal and earth ground. This chapter covers the steps for making a measurement with each of the Meter’s functions.

  • Page 66: Measuring Voltage

    8845A/8846A Users Manual Measuring Voltage The Meter is capable of measuring up to 1000 V dc, 750 V ac (8845A) or 1000 V ac (8846A). WCaution To avoid blowing the current fuses and possible damage to other equipment, do not apply voltage to the meter’s input until the test leads are properly connected to the input, and the proper voltage function selected.

  • Page 67: Measuring Ac Voltage

    Making Measurements Measuring Voltage key label is highlighted and will increase stabilization time or the measurement. 2ND MEAS Cycles the secondary display through the measurement functions listed below, and then off. When a second measurement function is selected, the 2ND MEAS soft key label is highlighted. VAC - Displays the ac signal riding on the measured dc voltage.

  • Page 68: Measuring Frequency And Period

    8845A/8846A Users Manual accommodate the various impedances that a dBm measurement can be made across, the Meter allows for the selection of 21 different impedance values. To set the dB reference impedance: 1. Press L. 2. Press the soft key labeled dBm REF.

  • Page 69: Measuring Resistance

    Making Measurements Measuring Resistance Note Each press of G switches the measurement between frequency and period. Function modifiers: APERTURE Displays three different gate time selections: 0.01, 0.1 and 1 second. These selections set the minimum amount of time the Meter takes to measure frequency.

  • Page 70: Making A Four-Wire Resistance Measurement

    FRONT caw023.eps Figure 4-2. Input Connections for 4-Wire Resistance Measurements To make a four-wire resistance measurement using Fluke’s 2X4 test leads: 1. Connect the test leads to the Meter’s input connectors as show in Figure 4-3. 2. Press N. 3. If not already highlighted, press the 2X4WIRE soft key.

  • Page 71: Measuring Current

    Making Measurements Measuring Current INPUT SENSE 2W/4W 1000 V CAT I 300V 600V CAT II FUSED Ground tab REAR FRONT caw060.eps Figure 4-3. Input Connections for 4-wire ohms using 2x4 wire leads. Function modifiers: An 8 Hertz filter is inserted to stabilize the measurement. The filter is FILTER active when this soft key’s label is highlighted.

  • Page 72: Measuring Dc Current

    8845A/8846A Users Manual I < 100 mA INPUT SENSE 2W/4W 1000 V CAT I 300V 600V CAT II FUSED V AC REAR FRONT caw025.eps Figure 4-4. Input Connections for Current Measurements Below 120 mA I > 100 mA INPUT SENSE I <...

  • Page 73: Measuring Ac Current

    Making Measurements Measuring Current 0.0086 caw09f.eps 3. With the test leads connected to the 100 mA and Input LO connectors, press the mA soft key as shown above, if not already highlighted. If the test leads are connected to the 10A and Input LO connectors, then press the 10A soft key. 4.

  • Page 74: Measuring Capacitance (8846A Only)

    Input HI and LO connectors. Measuring Capacitance (8846A only) The Fluke 8846A is capable of measuring capacitance from 1 pF to 100 mF (0.1 F). To make a capacitance measurement: 1. Press C. An example of the capacitance display is shown below.

  • Page 75: Measuring Rtd Temperature (8846A Only)

    Refer to the “Range Keys” section in Chapter 3 of this manual for information on how to adjust the measurement range. Measuring RTD Temperature (8846A only) The Fluke 8846A is capable of measuring temperatures between -200 C and 600 C using Resistance Temperature Detectors (RTDs). To make a temperature measurement: 1.

  • Page 76: Testing Continuity

    To check a diode: 1. Press S twice on the 8846A or D once on the 8845A. An example of the diode test display is shown below. 4-14...

  • Page 77: Making A Triggered Measurement

    Making Measurements Making a Triggered Measurement 0.5994 caw13f.eps 2. Select the test voltage and current appropriate for the diode being tested by pressing the associated soft keys. 3. Connect the test leads as shown in Figure 4-8. INPUT SENSE 2W/4W 1000 V CAT I 300V 600V CAT II...

  • Page 78: Setting The Trigger Mode

    8845A/8846A Users Manual Setting the Trigger Mode The Meter’s measurement cycle can be initiated either by the internal measurement circuit or by external stimulus. To select the trigger mode: 1. With the measurement setup menu displayed, press the soft key labeled TRIGGER.

  • Page 79: Connecting An External Trigger

    Making Measurements Monitoring the Measurement-Complete Signal Connecting an External Trigger The TRIG I/O jack on the Meter’s rear panel is used to connect to an external trigger signal. The rising edge of a TTL signal will trigger the Meter to start taking measurements, if the Meter is in external trigger mode.
  • Page 80 8845A/8846A Users Manual 4-18...

  • Page 81: Appendices

    Appendices Appendix Title Page 2X4 Test Leads ....................A-1 Errors........................B-1 RS-232 Port Connections ..................C-1...
  • Page 82 8845A/8846A Users Manual...
  • Page 83 2X4 Test Leads Introduction The optional Fluke TL2X4W test leads simplify making 4-wire ohms measurements by integrating the Hi-Hi Sense and Lo-Lo Sense test leads into one cable. The Meter’s Input HI and LO jacks consist of two contacts. One contact is connected to HI or LO input circuits and the other contact is connected to the Sense input circuits.
  • Page 84 8845A/8846A Users Manual...
  • Page 85 Appendix B Errors Introduction Listed below are the error messages the Meter uses to indicate a problem. AC Line frequency too high Invalid calibration step number *TRG/GET received but was ignored 488.2 I/O deadlock 488.2 interrupted query 488.2 query after indefinite response 488.2 unterminated command A fatal error occurred configuring the serial port A fatal error occurred opening the serial port...
  • Page 86 Error occurred when purging memory Error opening GPIB Controller Error setting GPIB Primary Address Error setting the RTC/System date Error setting the RTC/System time Ethernet port not available in Fluke 45 emulation mode Function/2nd func mismatch Function/math mismatch Function/range mismatch Generic Execution Error...
  • Page 87 Appendices Errors Incorrect packet size from inguard Info packet rec'd; link not active Inguard Calibration Constant write failed Inguard not responding (recv) Inguard not responding (send) INITiate received but was ignored Instrument configuration load failed Instrument configuration store failed Insufficient memory Invalid dimensions in a channel list Invalid parameter Invalid parameter...
  • Page 88 8845A/8846A Users Manual Serial buffer full Someone forgot to call begin (cal) Someone forgot to call begin (ICONF) Someone forgot to call begin (MCONF) Store reading to file failed String size is beyond limit Suffix Error. Wrong units for parameter...
  • Page 89 The Meter’s RS-232 control lines can be rewired to an alternate pairing instead of the RTS/CTS control pair. This alteration should be done by a trained technician at Fluke service center. Opening the cover of the Meter to make this alteration may void the...
  • Page 90 8845A/8846A Users Manual...

  • Page 91: Index

    DC Voltage, 4-4 storing, 3-18 Resistance, 4-7 Configure for Measurements, 3-7 Firmware Continuity checking revision, 3-21 Setting of threshold, 3-8 Fluke Testing for, 4-14 contacting of, 2-3 Current measurments Frequency meausrements, 4-6 AC, 4-11 Front Panel, 3-3 DC, 4-10 Front Panel Navigation, 3-7...
  • Page 92 8845A/8846A Users Manual Line-Power, 2-4 Reading, 3-20 MX+B function, 3-12 —H— —O— Historgram, 3-14 Offset, setting of, 3-11 Options and Accessories, 1-7 —I— Input Impedance, Automatic, 3-9 —P— Inspecting Meter, 2-3 Period measurements, 4-6 Product Description, 1-3 —K— Keys —R—...
  • Page 93 (continued) Index Setting the mode, 4-16 —V— Triggered Measurement, 4-15 Voltage Turning power on, 2-8 AC measurements, 4-5 DC measurements, 4-4 —U— Unpacking Meter, 2-3 User documentation, 1-3...

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