Fluke 773 Руководство по калибровке онлайн [21/26] 5022

Milliamp Process Clamp Meter

Calibration Adjustment

To turn on Calibration mode:

1. Remove the batteries and substitute with a lab supply set to 6 V dc.

2. Open the battery door. The calibration button is usually hidden by the factory

calibration seal.

3. Use a small probe and push the calibration button longer than 2 seconds. See Figure

Calibration Button

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Figure 4. Accessing the Calibration Button

There are five Meter functions to adjust:

1. Clamp measure

2. mA measure

3. Volt measure (773 only)

4. mA source

5. Volt source (773 only)

Table 3 shows the Meter buttons you use to select a function to be calibrated.

Table 3. Calibration Functions

Button Calibration Function Description

L Engages mA function

J Identifies V dc function

C Identifies Clamp function

Toggles between measure and source modes