TESTO 108 User Manual

9. Service and Maintenance14
9. Service and Maintenance
9.1 Changing the batteries
1 Loosen the screw on the battery
compartment.
2 Open the battery compartment.
3 Insert batteries (3 x AAA).
Observe the polarity!
4 Close the battery compartment.
5 Tighten the screw.
9.2 Cleaning the instrument
Only use weak, commercially available neutral/household cleaning
agents (e.g. washing-up liquid) to clean the instrument. Do not
use aggressive cleaning agents or solvent!
Protective cover (Softcase) can be cleaned with washing up
liquid.
The housing and probe can be disinfected using an alcohol-
based spray. In doing so, always follow the manufacturer’s
instructions.
✓ The pr
obe included in the set is connected.
Clean the housing and probe under running water and rub dry
with a towel.
10. Questions and Answers
Question Possible causes Possible solution
lights on. Batteries dead. Change batteries.
- - - lights on. Measurement range exceeded Measurements can only
or fallen below. be carried out in the
range specified.
Instrument cannot be Batteries dead. Change batteries.
switched on.
Instrument switches itself off. The instrument switches itself Switch the instrument on. -
off automatically as per the If required: To change the
configured Auto-off-Time. Auto-Off-Time see how to
set up the instrument.
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TESTO 108 Specifications

General

Resolution	0.1 °C
Display	LCD
Protection Class	IP67
Operating Conditions	-20 to +60 °C
Storage Temperature	-30 to +70 °C
Battery Type	AAA
Measurement Range	-50 to +300 °C
Accuracy	±0.5 °C (-30 to +70 °C)