Fluke 393 - Measurement Features; Display Hold; Auto Hold

393/393 FC
Calibration Manual
14
Calibration Adjustment
Use the calibration procedures to adjust the Product so that the values shown on the
product correspond as closely as possible with the actual measured values. Table 3 is a list
of the equipment required for the calibration adjustment.
Adjustment Setup
To set up the Product for adjustment:
1. Turn the Product over and use a flat-head screwdriver to remove the battery
compartment screw. See Figure 2.
2. Remove the battery door.
3. Remove the batteries.
4. Remove the calibration sticker.
5. Connect the power supply to the product battery terminals.
6. Turn on the Product.
7. Use a small jumper to short the two pads together under the calibration sticker.
Table 3. Required Equipment for Calibration
Equipment Required Characteristics
Recommended Model/Part
Number
Multi-Function
Calibrator
4.5-digit resolution Fluke 55xxA
Wired Coil 50-turn 5500A/COIL
Test Lead for iFlex 2 mm to 4 mm Slim Reach probe 650892
Test Lead test lead with retractable sheath 1903307
Power Supply +3.0 V
Common power supply or a
2x AA or AAA battery container