Fluke 337 User Manual

33x
Calibration Information
10
Calibration Adjustment 333, 334, & 335
Use the following steps to adjust the calibration of the 333, 334, and 335 meters (refer to Figure 5):
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 display reads within 1.0 V.
5. Apply 200.0 A 50 Hz (remove 600 Vac).
6. Adjust R15 until the display reads within 0.5 A.
7. Replace the top case.
8. Replace the case screws.
9. Verify the calibration by going through the performance test procedures.

Fluke 337 Specifications

General

Continuity	< 30 Ω
Safety Rating	CAT III 600 V
DC Current Accuracy	2.0% ± 5 digits
DC Voltage Accuracy	±1% + 3 digits
Resistance Accuracy	1.0% ± 5 digits
Display	LCD
Battery Type	2 x AA