Cleaning And Maintenance; General Information; B) Cleaning - VOLTCRAFT VC281 TRMS Bedienungsanleitung

Proceed as follows to disable the automatic shut-off function:
Switch the multimeter off (OFF). Hold down the "SELECT" button and switch the DMM on using the rotary control.
The " " symbol will no longer be visible on the display. The automatic shut-off feature will remain disabled until the
multimeter is switched off using the rotary control.
The CLA60 clamp transformer does not have an automatic shut-off function. Always switch this off
at the operating switch (X) after measuring.

11. Cleaning and maintenance

a) General information
The multimeter should be calibrated once a year to ensure that measurements remain accurate.
The multimeter is maintenance-free (apart from occasional cleaning and replacing the batteries).
The VC281 does not have conventional fuses in the current measurement areas. Through the use of innovative PTC
fuses, no fuse changes are required on this device.
The measurement input for the clamp transformer is high-impedance and protected against overload with a PTC
protection element.
Refer to the section at the end of this chapter for instructions on how to replace the batteries.
Regularly check the device and test leads for signs of damage.

b) Cleaning

Always observe the following safety information before cleaning the device:
Opening covers on the product or removing parts that cannot be removed by hand may expose
voltage-carrying components.
Before cleaning or repairing, the leads must be disconnected from the multimeter and all measured
objects. Switch the DMM off.
Do not use abrasive detergents, petrol, alcohol or other similar chemicals to clean the device. These may corrode
the surface of the multimeter. In addition, the vapours emitted by these substances are explosive and harmful to your
health. Do not use sharp-edged tools, screwdrivers or metal brushes to clean the device.
Use a clean, damp, lint-free and antistatic cloth to clean the multimeter, display and test leads. Allow the multimeter
to dry out completely before using it again.
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