THORLABS PM5020 User Manual
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THORLABS PM5020 User Manual

Dual-channel optical power and energy meter
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PM5020
Dual-Channel Optical Power and
Energy Meter
User Guide
2022

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Summary of Contents for THORLABS PM5020

  • Page 1 PM5020 Dual-Channel Optical Power and Energy Meter User Guide 2022...
  • Page 2 Version: Date: 18-Aug-2022 Copyright © 2022 Thorlabs...

  • Page 3: Table Of Contents

    PM5020 Dual-Channel Benchtop Optical Power and Energy Meter Table of Contents Chapter 1 Safety Chapter 2 General Information Ordering Codes and Accessories Requirements Chapter 3 Getting Started Parts List Chapter 4 Operating Instructions Operating Elements Installing Software Setup 4.3.1 Switch Off PM5020 4.3.2...
  • Page 4 PM5020 Dual-Channel Benchtop Optical Power and Energy Meter 4.11.1.3.1.8 Scope 4.11.1.3.2 Measurement Settings 4.11.1.3.2.1 Settings Menu 4.11.1.3.2.2 Side Menu 4.11.2 Web Viewer 4.11.3 Remote Operation 4.11.3.1 Software Optical Power Monitor 4.11.3.2 Interfaces 4.11.3.2.1 Ethernet Operation 4.11.3.2.2 RS232 Operation 4.11.3.3 Data Export 4.11.3.4...

  • Page 5: Safety

    Thorlabs. Attention Prior to applying power to the PM5020, make sure that the protective conductor of the 3 conductor mains power cord is correctly connected to the protective earth ground contact of the socket outlet! Improper grounding can cause electric shock resulting in damage to your health or even death! Make sure that the line voltage range marked on the power supply agrees with your local supply.
  • Page 6 Thorlabs (party responsible for compliance) could void the user’s authority to operate the equipment. Thorlabs is not responsible for any radio television interference caused by modifications of this equipment or the substitution or attachment of connecting cables and equipment other than those specified by Thorlabs.

  • Page 7: General Information

    The PM5020 power meter also processes and displays positional information from the S44xC Thermal Position Sensors.

  • Page 8: Ordering Codes And Accessories

    Monitor (OPM) software. The Thorlabs TLP drivers are compatible with all other Thorlabs power meter drivers. Please see the manual for OPM for more information. In addition, the PM5020 power meter has a built in webserver that enables monitoring of the most inter- esting functions within a local area network.

  • Page 9: Getting Started

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 2 General Information Software Requirements The PM5020 software is compatible with the following operating systems: ® · Windows 8.1 (32 bit, 64 bit) ® · Windows 10 (32 bit, 64 bit) Chapter 3 Getting Started 3.1 Parts List...

  • Page 10: Installing Software

    X Output Connector Y Output Connector 4.2 Installing Software The Optical Power Meter (OPM) Software can be downloaded from the Thorlabs website: https://www.thorlabs.com/software_pages/ViewSoftwarePage.cfm?Code=OPM Note Do not connect a power meter to the PC during software installation! Please make sure that the in- stallation is carried out completely, including the reboot requests.

  • Page 11: Setup

    3 seconds. The power button is illuminated when the device is powered up. The following screen will appear on the display: 5. If not already done in (2), connect one or two suitable sensors to the PM5020 power meter or ex- change the sensors connected previously.

  • Page 12: Switch Off Pm5020

    6. The PM5020 power meter is now ready for operation and is recognized by the OPM software. 7. If not already done in (3), Connect one or two suitable sensors to the PM5020 power meter or ex- change the sensors connected previously.

  • Page 13: Analog Output

    Note Custom Sensors To use sensors without a DE-9 connector, manufactured by Thorlabs or else, the user may provide an ap- propriate adapter. To build the adapter, refer to the Pin-out of the DE-9 connector shown in the chapter Pin Sensor Connectors.

  • Page 14: An1/2 Out

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions 3. Select "Analog Output" in the top panel to adjust the settings. The settings are described in the below chapters for each output port. 4.4.1 AN1/2 Out The analog output ports AN1 and AN2 on the...

  • Page 15: X1/2 Out

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions 1. Main Unit: This mode takes the amplified raw signal and multiplies it with a fixed factor, calculated based on the offset, the sensitivity of the sensor for the set wavelength, and all user defined attenu- ation or gain factors.

  • Page 16: Digital I/O

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions For NTCs connected to ports NTC1 or NTC2, a voltage proportional to the temperature reading of the NTC can be exported via this port. A slope can be given in mV/°C or mV/K. The output can be configured to 10 V, 4 V, 2 V, or 1 V full scale.

  • Page 17: Bnc I/O And Ttl Port

    Logging monitor: An output signal gives information on when logging is started on the PM5020 (signal above 3.3 V) or stopped (below 3.3 V). Logging control: A high incoming signal (2.4 V - 5 V) to the PM5020 triggers logging and stops it whenever the signal is low.

  • Page 18: Trigger

    PM5020 power meter front side or the Digital I/O con- nector. 4.7.1 Internal Trigger Measurements can be triggered with the internal trigger function for signal above a level set in the touch screen.

  • Page 19: External Trigger

    Here, also a signal from another channel can be used to trigger acquisition. Trigger Signal Output: Whenever a trigger is manually executed on the PM5020, a high TTL signal is sent to the I/O port. 4.8 Environment Setup In addition to monitoring the temperature of the light sensors from their built in NTCs, two external NTC temperature probes can be connected either at the 2.5 mm audio sockets...

  • Page 20: Shutter

    Menu. The NTCs are configurable according their nominal resistance at 25°C and their B value. The factory setting of the PM5020 automatically prepares the NTC inputs for the TSP-TH probes with 10 kOhm and 3988 K. Humidity and Temperature Sensors...

  • Page 21: Fan Control

    TTL signal. 4.10 Fan Control The PM5020 power meter allows the connection and control of two up to 12 VDC fans with adjustable sup- ply voltage or by adjustable number of revolutions per minute (rpm) for 3-wire fans with tacho input.

  • Page 22: Operation

    Scope measurement screens and saved to the internal 8 GB memory of the PM5020 power meter. The saved data can be exported to the connected PC via USB or the Ethernet connection. Please find more information in the chapters Logging and Scope.
  • Page 23 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Dynamic Side Menu Buttons The five buttons refer to the touch screen elements shown immediately to their left. Pressing the Dynamic Side Menu Button mirrors touching the icon on the touch screen. The Dynamic Side Menu Button can be...

  • Page 24: Touch Screen Operation

    Unlock the GUI by pressing the top and bottom buttons again. 4.11.1.2 Touch Screen Operation The PM5020 power meter can be operated via the touch screen with fingers, with the physical control but- tons, or by both combined. This chapter describes the kinds of active elements on the screen and how to operate them.

  • Page 25: Touch Screen Options And Menus

    The touchscreen opens with the screen used last upon power-up. The operating regions "Top Bullets" and "Side Menu" lead to different displays and measurement settings respectively. Shown here is the Dual/Single measurement screen. When starting the PM5020 power meter without sensors connected, the screen displays "NO SENSOR CONNECTED". Page 21 Rev: 1.0, 18-Aug-2022...
  • Page 26 Math View displays the results of a user defined calculation on live measurements. To access this view, connected two sensors of the same kind to the PM5020 and define the equation in the Set- tings Menu.
  • Page 27 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Alternatively, settings can be set within the measurement screen visible via the side menu. Swipe left from the right side to open the most useful subset of setting options appropriate for this measurement screen.
  • Page 28 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Single Channel 2.1) Math View When sensors of the same kind, two photo sensors, two thermal sensors or two pyroelectric sensors, are connected, the Math View can be opened from within the...
  • Page 29 3. Navigate using the rotary button until the display shows a thin frame around the field, press button to select a display setting (CH1, CH2, bot, math etc). This results in the thick frame. 4. Press the Channel Button on the front panel of the PM5020 Page 25 Rev: 1.0, 18-Aug-2022...
  • Page 30 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions 4.11.1.3.1.1 Dual or Single Channel The Dual or Single Channel measurement screen displays the main measurement parameter of two or one sensor, respectively. Each channels header bar contains information about sensor type and temperature, actual measurement range and specific warnings and information.

  • Page 31: Single Channel

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Internal trigger In the Dual/Single measurement screen, a trigger level based on the signal can be set as describe in the chapter Internal Trigger. 4.11.1.3.1.2 Single Channel The Single Channel measurement screen displays the numerical main measurement value recorded in the activated measurement channel.

  • Page 32: Math View

    The Math View can be accessed by selecting the Single measurement screen and after providing a mathematical formula to the PM5020 power meter. The underlying mathematical formula is set by the user in the Setting Menu under Math. This requires that both channels are connected to the same kind of sensor.

  • Page 33: Thermal Position Display

    When a Thorlabs Thermal Position and Power Sensor is connected to the PM5020 power meter, the dis- play can be set to show the position target information which represents the light beam on the sensor and displays the numerical measurement value.

  • Page 34: Logging

    Logging. Measurements recorded via the Logging function are saved to the internal 8 GB memory of the PM5020 power meter. The saved data can be exported to the connected PC via USB or the Ethernet Connection as described under Interface. Please find more information in the chapters Logging and Scope.

  • Page 35: Scope

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Side Menu The settings icon shows the setting of the measurement which the statistics refer to. The recording icon updates the statistics of a currently running measurement. Touching the RESET icon resets the boxplot values in running measurements.

  • Page 36: Measurement Settings

    8 GB memory of the PM5020 power meter. The saved data can be exported to the connected PC via USB or the Ethernet Connection as described under Interface. Please find more information in the chapters Logging and Scope.
  • Page 37 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions The side panel menu allows to change setting quickly during measurements while simultaneously monitor- ing the measurement. To pop out the side panel menu, swipe over it as illustrated below or press the top soft button for more than 2 seconds.

  • Page 38: Settings Menu

    · Correction: This refers to attenuation in %, dB, off, or times x. Set a value or load a curve. · Range of the measurements: This can be set to automatic (auto) or numerical in W or W/cm · Display digits · Update rate · Sensor Type, if not imported from EEPROM of a Thorlabs sensor MTN028837-D02 Page 34...
  • Page 39 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions · Units · Delta Mode: This allows zeroing to an absolute given value. · CW or Pulsed · Analog Filter (or bandwidth) · Trigger Beam Please adjust the following settings for the excitation source prior to a measurement: ·...
  • Page 40 Chapter 4 Operating Instructions Math: Perform two independent calculations between both channels or on just one of both channels and one constant for each channel in the PM5020 power meter interface. The drop down lists are interactively filled with each previously set action.
  • Page 41 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Environment This allows configuration of settings for the detection of the surrounding environment. CAPTURE This line leads to the settings for: · capturing and recording of measurements: Logging and Scope measurement screens.
  • Page 42 File Manager The file manager shows the folders where respective files are saved. This File manager is also mirrored when the PM5020 power meter memory is accessed via the connected PC. SD Memory Pressing the memory card menu button maps the SD card file system to a connected PC. This requires USB connection.
  • Page 43 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Settings This panel gives access to the setting language, display appearance (3 color schemes) and backlight level, key sound and whether a warning should be displayed when the connected sensors exceeds the recom- mended calibration interval.
  • Page 44 This panel shows the resource string information that must be used in external programs to establish the device connection. "0345" is the Thorlabs vendor ID, "8709" is the PM5020 product ID, followed by the device serial number. Info MTN028837-D02...
  • Page 45 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions The info screen shows all relevant device parameters, including firmware versions of all built in pcbs as well as the back up battery voltage of the real time clock and the free flash memory for the data storage.
  • Page 46 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Shutter This leads to the menu as described in the chapter Shutter. This leads to the menu as described in the chapter Control. MTN028837-D02 Page 42...
  • Page 47 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions 4.11.1.3.2.2 Side Menu This chapter describes the functions of the side menu settings which can be adjusted in the different mea- surement screens. Main Icon Toggle Icon(s) Description Short press to open the Setting Menu which includes all Setting Long press to unfold the Measurement Screen specific Side Menu.
  • Page 48 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Main Icon Toggle Icon(s) Description Sets the display update rate in combination with a digital aver- aging (rotating) Resets the Min/Max/(Ratio) values in the analog representations (bargraph and needle) and in the optional drop-down displays.

  • Page 49: Web Viewer

    4.11.2 Web Viewer As an alternative to observing the measurement on the PM5020 power meter display, measurement can also via a web browser when the PM5020 meter is connected via Ethernet or USB.

  • Page 50: Software Optical Power Monitor

    (OPM) software provides a Graphical User Interface to view, log, and analyze measurement data and can be use when the PM5020 power meter is connected via USB or the Ethernet connection. Download the OPM software package from the Thorlabs website, via this link,...

  • Page 51: Interfaces

    USB or the Ethernet connection on the PM5020 power meter. 4.11.3.2 Interfaces The PM5020 power meter can be connected to a PC or network using teh Ethernet connection, a Serial RS323 connection or a USB connection. Use the Ethernet connection to view the measurement via a web browser on a remote PC.

  • Page 52: Rs232 Operation

    Go to the Settings Menu and open the submenu Interface The below screen "Serial" provides the information to connect the PM5020 to the network. Please use a RS232 standard protocol for RS232 communications. For questions, please contact our engin- eers at Thorlabs.

  • Page 53: Data Export

    SCPI commands to write a custom made application are saved on the PM5020 internal memory and can be conveniently viewed in a web browser. 1. Connect the PM5020 to a PC using the supplied USB cable.

  • Page 54: Wyoa

    The PM5020 power meter remote operation can be integrated into custom made systems with the help of the provided SCPI commands and drivers. The SCPI commands are saved on the PM5020 internal memory and can be conveniently viewed in a web browser.

  • Page 55: Chapter 5 Specifications

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 4 Operating Instructions Chapter 5 Specifications All are valid at 23 ± 5°C and 45 ± 15% rel. humidity (non condensing) Item # PM5020 Sensor Compatibility Photodiode Sensors S100C Series Thermal Sensors S300C/S400C Series...
  • Page 56 PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 5 Specifications Item # PM5020 Sensor Dependent External Trigger BNC (Front), 10-PIN PCB Connector Digital I/O (Rear) Connector (TTL 5V Max) Analog Outputs Connector 2 x BNC, Rear Signal CH1, CH2 Amplified, Corrected Input Signal Voltage Range -2.5 V to 10 V...

  • Page 57: Pin Sensor Connectors

    Additionally, the PM5020 is capable to support custom made detectors. Please read the following instruc- tion prior to connecting a self made sensor. Warning Pin 2 is uniquely used for the EEPROM Digital I/O (memory in Thorlabs sensor heads) and MUST NOT be used. Connecting this Pin may cause malfunction of the PM5020. Function...

  • Page 58: Pin Output Connector Rs232

    Thermal Sensor + / Thermal Position Sensor Input Quadrant 1 TH Q2 Thermal Position Sensor Input Quadrant 2 5.2 Pin Output Connector RS232 The PM5020 as a RS232 serial DE-9 connector. The Pins are assigned as follows: Function Description N.C. Not Connected...

  • Page 59: Pin Fan Control

    I2C Bus Data Power Supply for Accessories, 3.3 V, 100 mA Max Power Supply for Accessories, 5 V, 100 mA Max 5.4 Pin Fan Control The PM5020 has a Fan Control Connector. The Pins are assigned as follows: Function Description NTC1...

  • Page 60: Dimensions

    5.5 Dimensions Chapter 6 Maintenance and Service Protect the PM5020 power meter from adverse weather conditions. The PM5020 is not water resistant. Attention To avoid damage to the instrument, do not expose it to spray, liquids or solvents! The unit does not need regular maintenance by the user. It does not contain any modules and/or compon- ents that could be repaired by the user himself.

  • Page 61: Chapter 7 Certifications And Compliances

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 7 Certifications and Compliances Chapter 7 Certifications and Compliances Page 57 Rev: 1.0, 18-Aug-2022 © 2022 Thorlabs...

  • Page 62: Warranty

    Chapter 8 Warranty Thorlabs warrants material and production of the PM5020 for a period of 24 months starting with the date of shipment in accordance with and subject to the terms and conditions set forth in Thorlabs’ General Terms and Conditions of Sale which can be found at: General Terms and Conditions: https://www.thorlabs.com/Images/PDF/LG-PO-001_Thorlabs_terms_and_%20agreements.pdf...

  • Page 63: Chapter 10 Copyright And Exclusion Of Liability

    All rights reserved. This document may not be reproduced, transmitted or translated to another language, either as a whole or in parts, without the prior written permission of Thorlabs. Copyright © Thorlabs 2022. All rights reserved.

  • Page 64: Chapter 11 Thorlabs Worldwide Contacts

    PM5020 Dual-Channel Benchtop Power and Energy Meter Chapter 10 Copyright and Exclusion of Liability Chapter 11 Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up-to- date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc.

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