Cleaning And Maintenance - Perel 3472B Mode D'emploi

data output
max. measuring speed
display
battery
operating temperature
storage temperature
operating humidity

4. Cleaning and Maintenance

 Keep the device and the battery compartment clean and prevent liquids
from entering the electronic part to avoid damaged electronics.
 Clean the device with petrol, lubricate the body with some clock oil.
Acetone and alcohol should not be used.
5. Troubleshooting
problem
The 5 digits change
every second
Displayed value does
not change
LCD shows
000.00 mm/00.000"
Function keys do not
work
Calliper does not
measure accurately
V. 02 – 16/07/2015
3472B
serial output for interface with host
computer or printer
1.5 m/sec or 60"/sec
LCD, features minus sign "-", character in
6.35 mm/0.25" height for 5 digits, small
digit "5" and "IN" indication for inch
measuring unit
1x 1.5 V silver oxide battery for one year
of continuous use
low-battery warning by flashing display
0 °C  +40 °C
-20 °C  +70 °C
0 to 80 %
cause
Battery voltage is
under 1.45 V
Circuitry
malfunction
One of the keys is
short circuited
Key spring is bent
or deformed
Sensor is dirty
4
solution
Replace battery
Remove the battery and
put it back after 30
seconds
Remove the cover &
adjust key spring position
Remove the cover &
adjust key spring position
Remove the cover and
slider assembly, clean the
sensor with pressure air
( 51 kg/cm²), and clean
it with a little petrol for
dirt prevention
©Velleman nv