TESTO 868 - 8 Tips and Assistance; Questions and Answers; Accessories and Spare Parts

8 Tips and assistance
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8 Tips and assistance
8.1 Questions and answers
Question Possible cause / solution
Error! Memory full! is
displayed.
Insufficient memory available: Transfer images
to the PC or delete.
Error! Permissible
instrument temperature
exceeded! is displayed.
Switch off the camera, allow the instrument to
cool down and observe the permissible
ambient temperature.
~ is displayed before a value.
Value is outside the measuring range:
extended display range with no guarantee of
accuracy.
--- or +++ is displayed
instead of a value.
Value is outside the measuring range and the
extended display range.
xxx is displayed instead of a
value.
Value cannot be calculated: check parameter
settings for plausibility.
A
utomatic zeroing (audible
"click" and brief image freeze)
is carried out very frequently.
Camera is still in its warm-up period (takes
approx. 90 seconds): Wait until the warm-up
period has passed.
If we have not been able to answer your question, please contact your dealer or
Testo Customer Service. You will find contact details on the back of this
document or on the website www.testo.com/service-contact.
8.2 Accessories and spare parts
Description Article no.
Battery charging station 0554 1103
Spare rechargeable battery 0515 5107
Holster case 0554 7808
Additional markers for E-Assist function (10 off) 0554 0872
Emission tape 0554 0051
ISO calibration certificate: Calibration points at 0 °C,
25 °C, 50 °C
0520 0489
ISO calibration certificate: Calibration points at 0 °C,
100 °C, 200 °C
0520 0490