Tips And Assistance; Questions And Answers; Measurement Parameters - TESTO 570 Instruction Manual

8 Tips and assistance

8
8.1.
8.2.
28
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Tips and assistance

Questions and answers

Question
flashes
The device switches itself
off.
uuuu lights instead of the
measurement parameter
display
oooo lights instead of the
measurement parameter
display

Measurement parameters

Designation
∆toh SH
∆tcu SC
to Ev
tc Co
toh T1
tcu T2
T3 T3
www.
Possible causes / solution
Batteries are almost empty.
> Change batteries.
Residual capacity of batteries too low.
> Change batteries.
The permissible measuring range has
been fallen short of.
> Keep to the permitted measuring
range.
The permissible measuring range has
been exceeded.
> Keep to the permitted measuring
range.
Description
Superheating, evaporation pressure
Subcooling, condensation pressure
Refrigerant evaporation temperature
Refrigerant condensation temperature
Measured temperature, evaporation
Measured temperature, condensation
Measured temperature
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