Testo testo 735-2 Digital Thermometer Pt100: -200 up to +800 ºC/Type K: -200 up to +1370 ºC 0563 7352 用户手册

9.

Questions and answers

This chapter gives answers to frequently asked questions.

lights up

· Instrument battery is almost spent.

· Replace instrument battery.

Instrument switches 

·

Auto Off 

function is switched on.

· Switch function off.

off automatically.

· Residual capacity of the battery is too low. · Replace battery.

Display:

-----

· Probe is not plugged in.

· Switch instrument off, connect probe 

and switch instrument back on again.

· Radio contact with radio probe is

· Switch radio probe on, if necessary 

interrupted.

register radio probe again.

· Probe break.

· Please contact your dealer 

or Testo Customer Service.

Display:

uuuuu

· Permitted measuring range

· Keep to permitted measuring range.

was undershot.

Display:

ooooo

· Permitted measuring range

· Keep to permitted measuring range.

was exceeded.

Instrument settings are

· Power supply was interrupted for a 

· Re-enter instrument settings.

no longer correct

long time.

If we are unable to 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. Questions and answers 53

de

en

fr

es

it

pt

sv

nl

??

??