protech QM7420 User Manual

14
temperatures are to be measured followed by high
temperature measurements, some time (several
minutes) is required after the low (and before the high)
temperature measurements are made.
This is a result of the cooling process, which must take
place for the IR sensor.
5. BATTERY
REPLACEMENT
As battery power is
not sufficient, LCD will
display a flashing battery
Symbol. Replace with new
9V battery.
Open battery cover,
then take out the battery
from instrument and
replace with new battery and place
the battery cover back.
1
"
2
3

protech QM7420 Specifications

General

Brand	protech
Model	QM7420
Category	Thermometer
Language	English