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Keysight Technologies U5855A, Service Manual

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U5855A Service Guide

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

N O T E

If you are unable to search for the respective DoC, contact your local Keysight 
representative.

Summary of Contents for U5855A

Page 1: ...Keysight U5855A TrueIR Thermal Imager Service Guide...

Page 2: ......

Page 3: ...U5855A Service Guide I...

Page 4: ...with these terms the warranty terms in the separate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used o...

Page 5: ...lowing 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...

Page 6: ...s Do not operate the device with the battery cover or portions of the cover removed or loosened Use only the designated AC DC power adapter or charger provided by the manufacturer to avoid any unexpec...

Page 7: ...irment Do not point the laser beam towards people Do not stare into the laser beam This measuring device is intended for professional use and not suitable for general use CAUTION Use of controls or ad...

Page 8: ...his case it is recommended to acquire visible images by observing the image on the screen The following condition may be observed in outdoor data acquisitions This condition is not a device failure If...

Page 9: ...ements Safety compliance Laser safety IEC 60825 1 2001 EN 60825 1 2001 Laser Class 2 IEC 61010 1 2010 EN 61010 1 2010 EMC compliance IEC 61326 1 2005 EN61326 1 2006 CISPR11 2003 EN55011 2007 Group 1 C...

Page 10: ...complies with the Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product labe...

Page 11: ...al 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 Inst...

Page 12: ...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 NOTE If you are u...

Page 13: ...ge and Maintenance 10 Battery Replacement 11 Battery Charging 12 Battery Handling Operation Storage and Transportation 14 Battery handling 14 Battery operating and storage temperatures 14 Battery tran...

Page 14: ...XII U5855A Service Guide Obtaining Repair Service Worldwide 26...

Page 15: ...U5855A Service Guide XIII List of Figures Figure 1 1 Test setup for Range 1 and Range 2 verification 5 Figure 1 2 Black body source image 6...

Page 16: ...XIV U5855A Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 17: ...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 Table 3 1 Troublesh...

Page 18: ...XVI U5855A Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 19: ...mal Imager Service Guide 1 Performance Verification Test Introduction 2 Recommended Test Equipment 3 Test Considerations 4 Performance Verification Test 5 This chapter guides you to verify the perform...

Page 20: ...hen your U5855A is due for calibration contact your local Keysight Service Center to inquire about calibration services Calibration interval A 1 year interval is adequate for most applications Accurac...

Page 21: ...nt 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 e...

Page 22: ...d The test should be performed at 23 5 C Ensure that the ambient relative humidity is 30 to 85 RH or less not condensed Allow the black body source to warm up and stabilize before performing the verif...

Page 23: ...formance verification test is recommended as an acceptance test when you first receive the U5855A The acceptance test results should be compared against the 1 year test limits After acceptance you sho...

Page 24: ...855A 3 Set the following parameters of the U5855A Emissivity 1 Object distance 1 m Ambient temperature 25 C Humidity 50 Center spot ON 4 Ensure that the focus of the U5855A is targeted at the surface...

Page 25: ...Record the center spot reading on the U5855A Compare the measurement results to the test limits in Table 1 3 Table 1 2 Range 1 20 C to 120 C Accuracy 2 C Black body source C Reading on U5855A Error f...

Page 26: ...Test 8 U5855A Service Guide NOTE If the test results are out of specifications and calibration adjustment is required contact your nearest Keysight Service Center Calibration adjustment on the U5855A...

Page 27: ...2 Battery Handling Operation Storage and Transportation 14 This chapter guides you on the proper usage and maintenance of the U5855A WARNING To avoid electrical shock do not perform any servicing unle...

Page 28: ...ustproof and splashproof Wipe off any contamination on the external surface of the U5855A using a dry and soft cloth If dirt is hardened first wipe with a cloth moistened with a neutral detergent and...

Page 29: ...arge the battery immediately when the low or empty battery status is indicated Use the following procedure to replace the battery 1 Release the battery cover by pressing the lock button as illustrated...

Page 30: ...e 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 i...

Page 31: ...battery Unit turned on off LED Status Off Red flashing Charging Off Full charge Red Charge error On Green Charging Full charge Red Charge error Red flashing Laser on Green flashing Power saving Auto S...

Page 32: ...emperatures Refer to the following specifications of the battery pack for its operating and storage temperatures Table 2 1 Battery specifications Parameter Specification Nominal capacity 2500 mAh Nomi...

Page 33: ...5 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 batt...

Page 34: ...2 Service and Maintenance Battery Handling Operation Storage and Transportation 16 U5855A Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 35: ...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...

Page 36: ...A Check if the power cord is properly connected to the AC power adapter Check if the power cord is properly connected to the mains power outlet Check if the AC power adapter is operating normally If n...

Page 37: ...U5855A to Keysight for servicing The Max Min cursor is fixed to one location not moving Defective dead pixels appearing on the thermal image Return the U5855A to Keysight for servicing The visible im...

Page 38: ...to the SD memory card The SD memory card is write protected Disable write protection of the SD memory card Unable to access the SD memory card The SD memory card fails to operate properly Check the m...

Page 39: ...efault The coin battery is weak or the coin battery drops out of the battery compartment Set the date time and restart the U5855A Check if the date time setting is correct If not return the U5855A to...

Page 40: ...sible com error I2C communication error of the CPU and the visible image occurs Turn off and on the power several times If the error still occurs return the U5855A to Keysight for servicing SD card ac...

Page 41: ...brief description of each part with its respective Keysight part number To order replaceable parts You can order replaceable parts from Keysight using their respective Keysight part numbers Use the fo...

Page 42: ...ner Instrument model number Instrument serial number Description of the service required or failure indications 2 Remove all accessories from the U5855A Do not include accessories unless they are asso...

Page 43: ...ng the warranty period Keysight will repair or replace it under the terms of your warranty After your warranty expires Keysight offers repair services at competitive prices Extended service contracts...

Page 44: ...ll arrange to have your U5855A repaired or replaced and can provide warranty or repair cost information where applicable To obtain warranty service or technical support information you can refer to Co...

Page 45: ...rope tel 31 20 547 2111 Japan tel 0120 421 345 fax 0120 421 678 Korea tel 080 769 0800 fax 080 769 0900 Latin America tel 305 269 7500 Taiwan tel 0800 047 866 fax 0800 286 331 Other Asia Pacific Count...

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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