Keysight Technologies TrueIR U5855A Service Manual
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Keysight Technologies TrueIR U5855A Service Manual

Trueir thermal imager
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Keysight U5855A
TrueIR Thermal Imager
Service
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Summary of Contents for Keysight Technologies TrueIR U5855A

  • Page 1 Keysight U5855A TrueIR Thermal Imager Service Guide...
  • Page 3 U5855A Service Guide...
  • Page 4 Notices Warranty Safety Notices © Keysight Technologies 2014 No part of this manual may be reproduced in The material contained in this document is any form or by any means (including elec- provided “as is,” and is subject to change,...
  • Page 5 Safety Symbols The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument. Caution, risk of danger (refer to this manual for specific Warning or Caution information) Laser radiation U5855A Service Guide...
  • Page 6 Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards for design, manufacture, and intended use of the instrument. Keysight Technologies assumes no liability for the customer’s failure to comply with these requirements.
  • Page 7 Laser pointer precautions: WA R N I N G • This laser pointer is a Class 2 laser product. • Laser beam contact with the eyes may cause visual impairment. • Do not point the laser beam towards people. • Do not stare into the laser beam. •...
  • Page 8 • The device uses a highly-sensitive infrared detector. Ensure to comply with the C A U T I O N requirements in “Environmental Conditions" on page VII when using the device. • Do not apply excessive stress to the LCD screen, the focus adjustment ring, or the camera lens to avoid damages.
  • Page 9 Environmental Conditions This instrument is designed for indoor use and in an area with low condensation. The table below shows the general environmental requirements for this instrument. Environmental condition Requirement Operating condition • –15 °C to 50 °C Temperature Storage condition •...
  • Page 10 Regulatory Markings The C-tick mark is a registered The CE marking is a legal compliance trademark of the Spectrum marking of the European Community. Management Agency of Australia. This This CE marking shows that the signifies compliance with product complies with all the relevant the Australia EMC Framework European Legal Directives.
  • Page 11 Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC This instrument complies with the WEEE Directive (2002/96/EC) marking requirement. This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste. Product Category: With reference to the equipment types in the WEEE directive Annex 1, this instrument is classified as a “Monitoring and Control Instrument”...
  • Page 12 Declaration of Conformity (DoC) The Declaration of Conformity (DoC) for this instrument is available on the Keysight Web site. You can search the DoC by its product model or description at the Web address below. http://www.keysight.com/go/conformity If you are unable to search for the respective DoC, contact your local Keysight N O T E representative.

  • Page 13: Table Of Contents

    Table of Contents Performance Verification Test Introduction Keysight calibration services Calibration interval Recommended Test Equipment Test Considerations Performance Verification Test Test setup Service and Maintenance General Usage and Maintenance Battery Replacement Battery Charging Battery Handling, Operation, Storage, and Transportation Battery handling Battery operating and storage temperatures Battery transportation regulations Troubleshooting and Repair...
  • Page 14 Obtaining Repair Service (Worldwide) U5855A Service Guide...
  • Page 15 List of Figures Figure 1-1 Test setup for Range 1 and Range 2 verification 5 Figure 1-2 Black body source image 6 U5855A Service Guide XIII...
  • Page 16 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. U5855A Service Guide...
  • Page 17 List of Tables Table 1-1 Recommended test equipment 3 ≤ ± Table 1-2 Range 1 = –20 °C to 120 °C, Accuracy 2 °C 7 ≤ ± ± Table 1-3 Range 2 = 0 to 350 °C, Accuracy 2 °C (at <100 °C), 2% (at <350 °C) 7 Table 2-1 Battery specifications 14...
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  • Page 19: Performance Verification Test

    U5855A TrueIR Thermal Imager Service Guide Performance Verification Test Introduction 2 Recommended Test Equipment 3 Test Considerations 4 Performance Verification Test 5 This chapter guides you to verify the performance of the U5855A.

  • Page 20: Introduction

    Performance Verification Test Introduction Introduction This chapter contains procedures to verify the U5855A performance. Adjustment/calibration procedures for the U5855A are not provided as they should only be N O T E performed by qualified Keysight personnel. The performance verification test procedures allow you to verify that the U5855A is operating within its published specifications.

  • Page 21: Recommended Test Equipment

    Performance Verification Test Recommended Test Equipment Recommended Test Equipment The following table lists the test equipment recommended for the performance verification test procedures. If the exact equipment is not available, substitute with another calibration standard of equivalent accuracy. Table 1-1 Recommended test equipment Application Recommended equipment Recommended accuracy requirement...

  • Page 22: Test Considerations

    Performance Verification Test Test Considerations Test Considerations For optimum performance, all procedures should comply with the following recommendations: • The performance verification test should be performed under laboratory conditions where the ambient temperature can be controlled. The test should be performed at 23 ±5 °C. •...

  • Page 23: Performance Verification Test

    Performance Verification Test Performance Verification Test Performance Verification Test Use the following performance verification test to verify the measurement performance of the U5855A. This test uses the U5855A specifications listed in the U5855A User’s Guide. The performance verification test is recommended as an acceptance test when you first receive the U5855A.
  • Page 24 Performance Verification Test Performance Verification Test 1 Set up the U5855A and the black body source as shown in Figure 1- 2 Ensure that the optical axis of the black body source is horizontal with the U5855A. 3 Set the following parameters of the U5855A: Emissivity (ε): 1 •...
  • Page 25 Performance Verification Test Performance Verification Test 6 Set the black body source to the appropriate temperature as listed in Table 1- 2. Ensure that the appropriate range of the U5855A is selected. Record the center spot reading on the U5855A. Compare the measurement results to the test limits in Table 1- Accuracy ≤...
  • Page 26 Performance Verification Test Performance Verification Test If the test results are out of specifications and calibration/adjustment is required, contact N O T E your nearest Keysight Service Center. Calibration/adjustment on the U5855A should only be performed by Keysight qualified personnel. U5855A Service Guide...

  • Page 27: Service And Maintenance

    U5855A TrueIR Thermal Imager Service Guide Service and Maintenance General Usage and Maintenance 10 Battery Replacement 11 Battery Charging 12 Battery Handling, Operation, Storage, and Transportation 14 This chapter guides you on the proper usage and maintenance of the U5855A. To avoid electrical shock, do not perform any servicing unless you are qualified to do WA R N I N G Any repair or service which is not covered in this manual should only be performed by...

  • Page 28: General Usage And Maintenance

    Service and Maintenance General Usage and Maintenance General Usage and Maintenance • Ensure that the U5855A is used in accordance to the “Environmental Conditions” on page VII. • Do not use the U5855A on a tripod in an area with large vibration or shock.

  • Page 29: Battery Replacement

    Service and Maintenance Battery Replacement Battery Replacement The U5855A is powered by a 7.4 VDC, 2500 mAh Lithium- Ion rechargeable battery. To avoid false readings which may lead to possible personal injury, replace or charge the battery immediately when the low or empty battery status is indicated.

  • Page 30: Battery Charging

    Service and Maintenance Battery Charging Battery Charging Use only Keysight’s recommended and approved AC/DC power adapter to charge the battery. Use the following procedure to charge the battery. 1 Connect one end of the power cord to the DC power inlet of the U5855A, and connect the other end of the power cord to the mains outlet, as illustrated below.
  • Page 31 Service and Maintenance Battery Charging LED status indication Unit turned on/off Status Red (flashing) Charging Full charge Charge error Charging Green Full charge Charge error Red (flashing) Laser on Power saving Green (flashing) (Auto-Sleep) mode 4 If the U5855A is already turned on, the screen will display the battery status.

  • Page 32: Battery Handling, Operation, Storage, And Transportation

    Service and Maintenance Battery Handling, Operation, Storage, and Transportation Battery Handling, Operation, Storage, and Transportation Battery handling A battery pack is consumable. Replace with a new battery pack when the operating time of the U5855A becomes shorter. Disposal of the battery pack must be done according to the waste- disposal law of the country or region where the battery pack is disposed of.

  • Page 33: Battery Transportation Regulations

    Service and Maintenance Battery Handling, Operation, Storage, and Transportation Battery transportation regulations The U5855A uses the Lithium- Ion battery pack which is subjected to transportation regulations. Applied regulations depend on the packing condition or number of batteries; therefore when you plan to transport the U5855A, check with a carrier for appropriate formalities.
  • Page 34 Service and Maintenance Battery Handling, Operation, Storage, and Transportation THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. U5855A Service Guide...

  • Page 35: Troubleshooting And Repair

    U5855A TrueIR Thermal Imager Service Guide Troubleshooting and Repair Operating and Troubleshooting Hints 18 Replaceable Parts 23 Returning the U5855A for Service 24 Types of Services Available 25 Obtaining Repair Service (Worldwide) 26 This chapter guides you on how to troubleshoot, order replaceable parts, and acquire service for the U5855A.

  • Page 36: Operating And Troubleshooting Hints

    Troubleshooting and Repair Operating and Troubleshooting Hints Operating and Troubleshooting Hints To avoid electrical shock, do not perform any servicing on the U5855A unless you are WA R N I N G qualified to do so. If the U5855A fails to operate, check and replace the battery if necessary. And if the U5855A still does not function properly, check the operating procedures in the User's Guide.
  • Page 37 Troubleshooting and Repair Operating and Troubleshooting Hints Table 3-1 Troubleshooting hints (continued) Malfunction Probable cause Troubleshooting procedure The thermal image display is The internal temperature sensor fails to Return the U5855A to Keysight for blacked-out or yellowed-out. operate properly. servicing. Noise sources exist around the U5855A or Remove the U5855A or the AC power the AC power adapter.
  • Page 38 Troubleshooting and Repair Operating and Troubleshooting Hints Table 3-1 Troubleshooting hints (continued) Malfunction Probable cause Troubleshooting procedure The external shutter is not opened Open the external shutter fully and lock it properly. in place. The surface of the IR lens is dirty or Clean the IR lens surface properly.
  • Page 39 Troubleshooting and Repair Operating and Troubleshooting Hints Table 3-1 Troubleshooting hints (continued) Malfunction Probable cause Troubleshooting procedure Check the LED status indication of the Power is not turned on. power on/off key. Connect the U5855A to an external The LCD displays a white screen. A connection failure occurs between the monitor and check the display.
  • Page 40 Troubleshooting and Repair Operating and Troubleshooting Hints The following table explains the error messages that may appear on the U5855A screen and their solutions. Table 3-2 Error messages Error message Error description Troubleshooting procedure Low battery The battery is draining. Charge the battery, or turn off the power and replace the battery.

  • Page 41: Replaceable Parts

    Troubleshooting and Repair Replaceable Parts Replaceable Parts This section contains information for ordering replaceable parts for your U5855A. You can find the instrument support parts list in the Keysight's Test & Measurement Parts Catalog at http://www.keysight.com/find/parts. This parts list includes a brief description of each part with its respective Keysight part number.

  • Page 42: Returning The U5855A For Service

    Troubleshooting and Repair Returning the U5855A for Service Returning the U5855A for Service Before shipping your U5855A for repair or replacement, Keysight recommends that you acquire the shipping instructions from the Keysight Service Center. A clear understanding of the shipping instructions is necessary to secure your U5855A for shipment.

  • Page 43: Types Of Services Available

    Troubleshooting and Repair Types of Services Available Types of Services Available Calibration/adjustment When your U5855A is due for calibration, contact your local Keysight Service Center to inquire about recalibration services. Repair If your U5855A fails during the warranty period, Keysight will repair or replace it under the terms of your warranty.

  • Page 44: Obtaining Repair Service (Worldwide)

    Troubleshooting and Repair Obtaining Repair Service (Worldwide) Obtaining Repair Service (Worldwide) To obtain service for your U5855A (in- warranty, under service contract, or post- warranty), contact your nearest Keysight Service Center. They will arrange to have your U5855A repaired or replaced, and can provide warranty or repair- cost information where applicable.
  • Page 45 www.keysight.com Contact us To obtain service, warranty, or technical assistance, contact us at the following phone or fax numbers: United States: (tel) 800 829 4444 (fax) 800 829 4433 Canada: (tel) 877 894 4414 (fax) 800 746 4866 China: (tel) 800 810 0189 (fax) 800 820 2816 Europe: (tel) 31 20 547 2111...
  • Page 46 This information is subject to change without notice. © Keysight Technologies 2014 Edition 3, December 5, 2014 *U5855-90012* U5855-90012 www.keysight.com...

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