Fluke ProcessMeter 789 Calibration Manual

789/787B
Calibration Manual
10
Basic Maintenance
How to Clean
 Warning
To prevent electrical shock or damage, never allow water inside the
case of the ProcessMeter.
If the ProcessMeter requires cleaning, wipe it down with a cloth that is lightly dampened
with water or a mild detergent.
 Caution
Do not use aromatic hydrocarbons, chlorinated solvents, or methanol-
based fluids when wiping down the ProcessMeter. To avoid damaging
the case, never apply solvents to the case of the ProcessMeter.
Battery Replacement
 Warning
For safe operation and maintenance, repair the Product before use if
the battery leaks.
To replace the batteries, see Figure 1:
1. Remove the test leads and turn the Meter OFF.
2. With a standard blade hand screwdriver, turn each battery door screw
counterclockwise so that the slot is parallel with the screw picture molded into the
case.
3. Lift off the battery door.
4. Remove the batteries.
5. Replace with four new AA alkaline batteries.
6. Reinstall the battery door and tighten screws.

Fluke ProcessMeter 789 Specifications

General

Diode test	Yes
Frequency range	0 - 19.999 kHz
AC current range	0 - 1 A
AC voltage range	0 - 1000 V
Resistance range	0 - 40000000 Ω
Resolution (AC voltage)	0.1 mV
Dimensions (WxDxH)	100 x 203 x 50 mm

Weight and Dimensions

Weight	610 g