Fluke 337 Anleitung Seite 23

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Calibration Information
Calibration Adjustment 336 & 337
Use the following steps to adjust the calibration of the 336 and 337 meters (refer to Figures 5 and 6):
1. Remove the 2 screw on the bottom of the Meter.
2. Lift off the top case.
3. Apply 600.0 V 50 Hz.
4. Adjust R12 until the UUT display reads within 1.0 V.
5. Remove 600.0 V.
6. Change to the A DC Function.
7. Adjust R60 until the display reads within 2.0 A of 0 A DC.
8. Change to the A AC function.
9. Apply 100.0 A 50 Hz.
10. Note measurement with wire at top and bottom of jaw opening.
11. Adjust R9 until this difference is within 1.0 A.
12. Replace top case.
13. Open battery door and remove the batteries.
14. Apply 2.7 V to 3.2 V to battery terminals.
15. Change to AAC function.
16. Apply 600.0 A 50 Hz.
17. Adjust R61 until the display reads within 1.0 A.
18. Replace the batteries.
19. Verify the calibration by going through the Performance Test procedures.
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