TESTO 623 - Configuring Limit Alarms

6 Using the product
No. Display Function
Setting
option/value
①
and °C/°F
light up, ON or
OFF flashes
Activate or
deactivate display
for upper
temperature limit
alarm
Deactivate: OFF
Activate: ON
Only if ON is
selected
Upper limit
value flashes
Set value for upper
temperature limit
alarm
-
and °C/°F
light up, ON or
OFF flashes
Activate or
deactivate display
for lower
temperature limit
alarm
Deactivate: OFF
Activate: ON
Only if ON is
selected
Lower limit
value flashes
Set value for lower
temperature limit
alarm
-
and % light
up, ON or OFF
flashes
Activate or
deactivate display
for upper humidity
limit alarm
Deactivate: OFF
Activate: ON
Only if ON is
selected
Upper limit
value flashes
Set value for upper
humidity limit alarm
-
and % light
up, ON or OFF
flashes
Activate or
deactivate display
for lower humidity
limit alarm
Deactivate: OFF
Activate: ON
Only
if ON is
selected
Lower limit
value flashes
Set value for lower
humidity limit alarm
-
②
Calibration!
lights up,
ON or OFF
flashes
Activate or
deactivate
calibration reminder
function
Deactivate: OFF
Activate: ON