Fluke 189, 187 Service Manual

Manual Supplement

Manual Title: 187/189 Calibration Supplement Issue: 2 Part Number: 1584337 Issue Date: 4/07 Print Date: November 2000 Page Count: 1 Revision/Date: 1, 6/02

This supplement contains information necessary to ensure the accuracy of the above manual. Enter the corrections in the manual if either one of the following conditions exist:

1. The revision letter stamped on the indicated PCA is equal to or higher than that given with each change.

2. No revision letter is indicated at the beginning of the change.

187/189 Calibration Manual Supplement

Change #1

On page 17, Table 3, replace the entry for 350.0°C Input with:

Input Lower Limits Upper Limits

350.0 °C 345.5 °C 354.5 °C

Change #2

On page 17, under Testing Temperature, replace steps 2, 4, and 5 with the following and add step and 8.

2. Set the 5520A for K-type thermocouple and an output of -10.0 °C.

4. Adjust the temperature offset, using the up and down arrow keys, until the offset on the Meter secondary display reads 0.0.

5. Enter the offset value by pressing the yellow button, then the backlight button.

8. If the Meter fails any of the Temperature Accuracy tests, perform the Temperature Calibration Adjustment procedure.

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