Welch Allyn SureTemp 670 Spécifications télécharger pdf (Page 40)

Technical Manual

5-8 Welch-Allyn, Inc.

70898-0000A

Field Serviceable Repairs

Repairs are considered field serviceable if the repair will not alter the calibration or

proper operation of the instrument.

•

All probes designed to work with the thermometer are fully interchangeable.

•

All components in the Model 678 and Model 679 can be replaced without affecting

instrument operation or calibration. Some minor changes to the exact calibration

point will be caused by changing R8, and R13, but as long as the proper type and

tolerance resistors are used (0.1% and 0.05% as supplied by Welch Allyn), the

unit will remain within specifications.

•

Replacement of the LCD frame is somewhat difficult due to the need to assemble

it while under pressure to assure proper compression of the elastomeric

connector.

Note:

Do not glue the LCD frame to the display PCB if the frame latching pins are

broken. This will destroy the display. Replace with a new LCD frame.

Field Serviceable Parts

All parts are serviceable by qualified technicians.

Note:

The following parts lists are current as of the date of publication. Parts and part

numbers may be changed without notice. Check with Welch-Allyn prior to

ordering parts to verify current parts for any replacement requirement.

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Welch Allyn SureTemp 670 Spécifications Page 40