TESTO 922 User Manual

11 Tips and assistance
34
11
Tips and assistance
11.1
Questions and answers
Question Possible cause Possible solution
is displayed
(top right on the
display)
Instrument battery is
almost spent
Replace instrument battery
Instrument
switches itself off
• Auto Off function is
switched on
•
Remaining battery
capacity is insufficient
• Switch off Auto Off
function
•
Change the battery.
Display responds
sluggishly
Ambient temperature is
very low
Increase ambient
temperature
Display: -----
Sensor error
Please contact your dealer
or Customer Service.
Display: OOOOO
Permissible measuring
range has been exceeded
Keep within the permissible
measuring range
Display: UUUUU
Permissible measuring
range has been undershot
Keep within the permissible
measuring range
Display: BT Fail
Bluetooth connection
could not be established
• Check Bluetooth
®
connections.
•
Restart measuring
instrument, restart testo
Smart App.
Display: Print Fail
Printout could not be
performed successfully
• Check Bluetooth
®
connections, switch off
and then on again if
necessary.
•
Switch printer off and th
en
on again.
Display: Probe Fail
Probe damage
Please contact your dealer
or Customer Service.
Display: OTA Fail
The update process "over
the air" of the measuring
instrument could not be
completed successfully.
Restart the measuring
instrument and testo Smart
App and check the
Bluetooth
®
connection.
Display: APP Lost
Connection to the testo
Smart App was
interrupted. Keys are
locked for 3 s.
Restart the measuring
instrument and testo Smart
App and check the
Bluetooth
®
connection.
1.888.610.7664 sales@GlobalTestSupply.com
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TESTO 922 Specifications

General

Type	Digital Thermometer
Resolution	0.1 °C
Number of Channels	2
Display	LCD
Power Supply	9V battery
Battery life	Approx. 200 hours
Operating temperature	-20 to +50 °C
Storage temperature	-40 to +70 °C
Weight	171 g
Accuracy (in °F)	±0.9 °F
Accuracy (in °C)	±0.5 °C
Weight (in g)	171 g
Protection Class	IP40
Accuracy	±0.5 °C
Battery Type	9V battery
Measuring range	-50 to +1000 °C
Sensor Type	K-type thermocouples
Probe Type	K-type thermocouples