Tips And Assistance; Accessories And Spare Parts; Questions And Answers - TESTO 623 Mode D'emploi

8 Tips and assistance

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Tips and assistance

Accessories and spare parts

Description
DKD humidity calibration certificate,
electronic hygrometer; calibration points
11.3 % RH and 75.3 % RH at 25 °C
ISO humidity calibration certificate, calibration
points 11.3 % RH and 75.3 % RH at 25 °C

Questions and answers

Question
Instrument displays
Instrument displays
Instrument displays
If we could not answer your question, please contact your dealer or
Testo Customer Service. For contact details see the rear side of
this document or the web page www.testo.com/service-contact
www.
Possible causes
LO Below -20 °C
HI Above +70 °C
Battery life is approx. 1 month
Testo-Direct
Article no.
0520 0206
0520 0006
1.888.475.5235
.com