10 Protecting the environment
10
Cross-check:
> Repeat the process with switched probe tips.
- The opposite result must be indicated.
9 Service and maintenance
9.1. Replacing the batteries
The batteries need to be replaced if, when connecting the probe tips, Rx
does not light up or the battery icon is illuminated on the LCD display (only
testo 750-3).
1. Disconnect the voltage tester completely from the measurement object.
2. Using a screwdriver, unscrew the two metal screws on the battery
compartment until the battery compartment cover can be removed. Do
not unscrew the screws completely.
3. Remove the spent batteries.
4. Insert new batteries, type AAA / IEC LR03 (1.5 V), ensuring correct
polarity.
5. Put the battery compartment cover back on and screw down.
9.2. Maintenance
When operated in accordance with the instruction manual, the instrument
does not require any particular maintenance.
9.3. Storage
> If the instrument is not in use for a significant period of time: remove
the batteries in order to prevent any danger or damage due to any
potential leaking of the batteries.
9.4. Cleaning
Prior to cleaning, the instrument must be disconnected from all measuring
circuits.
> Wipe the instrument with a damp cloth and a small amount of mild
household detergent.
Never use any harsh cleaning agents or solvents to clean the instrument!
After being cleaned, the instrument must not be used until it has completely
dried.
10 Protecting the environment
> Dispose of faulty rechargeable batteries/spent batteries in accordance
with the valid legal specifications.
> At the end of its useful life, send the product to the separate collection
for electric and electronic devices (observe local regulations) or return
the product to Testo for disposal.
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