Michell Instruments MDM300 I.S. Manual Download Page 10

MDM300 I.S. Sensor & Battery Replacement Manual

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97469 Issue 1, October 2014

MAINTENANCE

1.2.4  Battery Replacement

Battery Replacement

To replace the battery, proceed as follows:

1.  Open the instrument case as described in Section 1.2.1.
2.  Loosen the 3 battery clamp retaining screws (2).
3.  Release the battery (1) at connector (3) and remove.
4.  Re-connect new battery to connector (3).
5.  Replace and tighten battery clamp retaining screws (2).
6.  Close the casing as described in Section 1.2.2.
7.  Switch on the instrument and check that it is operating satisfactorily.
8.  Charge  the  battery,  when  necessary,  as  described  in  the  User’s 

Manual.

NOTE: No other parts of the MDM300 I.S. are user-servicable - please contact 

your Michell representative if further help is needed. 

Refer to www.michell.com for details of Michell Instruments’ worldwide offices 

contact information.

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Battery Replacement

Summary of Contents for MDM300 I.S.

Page 1: ...MDM300 I S Advanced Dew Point Hygrometer Sensor Battery Replacement Manual I S 97469 Issue 1 October 2014...

Page 2: ...nformation when contacting Michell Instruments for service purposes Instrument Code Serial Number Invoice Date Location of Instrument Tag No Instrument Code Serial Number Invoice Date Location of Inst...

Page 3: ...nd may not be copied or otherwise reproduced communicated in any way to third parties nor stored in any Data Processing System without the express written authorization of Michell Instruments Ltd I S...

Page 4: ...2 1 2 3 Internal Sensor Removal and Replacement 3 1 2 4 Battery Replacement 4 Figures Figure 1 Remove Case Securing Bolts 1 Figure 2 Open Case 2 Figure 3 Internal Sensor Removal 3 Figure 4 Battery Rep...

Page 5: ...Safety High pressure gases can be extremely dangerous and only trained personnel should attempt to connect and use the MDM300 I S with such gases DO NOT permit pressures greater than the safe working...

Page 6: ...100 kP or 0 987 atm gauge Hz Hertz psig pound s per square inch gauge V Volts Warnings The following general warnings listed below are applicable to this instrument They are repeated in the text in th...

Page 7: ...r any other type of solvent as this could damage the casing display and keyboard 1 2 Replacement of Sensor and Battery Pack To gain access to the internal sensor and the battery housing proceed as fol...

Page 8: ...e for later use 6 Place the two halves of the casing 3 and 4 side by side refer to Figure 2 3 4 5 Figure 2 Open Case 1 2 2 Close Casing To close the casing proceed as follows 1 Place the two halves of...

Page 9: ...screw the locknuts 1 securing the sensor to the gas inlet and outlet ports 4 Lift the sensor 2 clear 2 3 5 4 1 Figure 3 Internal Sensor Removal Sensor replacement To replace the sensor proceed as foll...

Page 10: ...ect new battery to connector 3 5 Replace and tighten battery clamp retaining screws 2 6 Close the casing as described in Section 1 2 2 7 Switch on the instrument and check that it is operating satisfa...

Page 11: ...MDM300 I S Sensor Battery Replacement Manual Michell Instruments 5 APPENDIX A Appendix A Quality Recycling Warranty Information...

Page 12: ...bstances which may be harmful to the environment Similarly we are increasingly using recyclable and or recycled material in our business and products wherever it is practical to do so To protect natur...

Page 13: ...S2 EU Directive 2011 65 EU Article 3 24 defines Control and Monitoring Equipment specifically as monitoring and control instruments designed exclusively for industrial or professional use RoHS2 EU Dir...

Page 14: ...uments maintains a hazardous material register in which MSDS data sheets are collated and we will check that our suppliers will comply to REACH requirements for all materials and substances we use in...

Page 15: ...ing courses of action will be taken If the fault is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned If Michell Instruments determines that...

Page 16: ...MDM300 I S Sensor Battery Replacement Manual 10 97469 Issue 1 October 2014 APPENDIX B Appendix B Return Document Decontamination Declaration...

Page 17: ...MDM300 I S Sensor Battery Replacement Manual Michell Instruments 11 APPENDIX B Appendix B Return Document Decontamination Declaration...

Page 18: ...MDM300 I S Sensor Battery Replacement Manual 12 97469 Issue 1 October 2014 NOTES...

Page 19: ...MDM300 I S Sensor Battery Replacement Manual Michell Instruments 13 NOTES...

Page 20: ...http www michell com...

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