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8. Questions and answers
8.
This chapter gives answers to frequently asked questions.
Question
in display).
Instrument switches
itself off.
Display reacts
sluggishly
Display:
Display:
If we could not answer your question, please contact your
dealer or testo Customer Service. Contact details can be
found on the guarantee card or on the Internet under
www.testo.com .
9.
Characteristic
Parameters
Measuring ranges
Resolution
Probe
Measuring rate
Operating temperature
Storage temperature
Voltage supply
Life
Protection class
EC Directive
Warranty
1.8187
Questions and answers
is lit (bottom right
uuuu
oooo
·
Technical data
www.
Possible causes
· Instrument battery is
almost spent.
Auto Off
·
function
is switched on.
· Residual capacity
of battery is too low.
· Ambient temperature
is very low.
· Permitted measuring range · Keep to permitted
was undershot.
· Permitted measuring range · Keep to permitted
was exceeded.
Values
Water content in weight percent of dry mass
Woods: < 50 %
Building materials: < 20 %
0.1 %
Contact plate (integrated)
0.5 s
5 to 40°C (41 to 104°F) / 10 to 80 %RH
-20 to 70°C (-4 to 158°F)
1x 9 V monobloc battery/rech. battery
60 h
IP30
2004/108/EC
2 years (excepting wearing parts)
.com
Possible solution
· Replace instrument
battery.
· Switch function off
· Replace battery
· Increase ambient
temperature.
measuring range.
measuring range.
information@i