11
Cleaning and Storage
Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives
or solvents. If the meter is not to be used for periods of longer than 60 days, remove
the batteries and store them separately.
Battery replacement
The meters use standard 3V IEC-CR2032 coin batteries
In Signle Display Models: One battery is used.
In Twin Display Models:
Two batteries are used. One is used for slide-switch
functions, and the other one is used for the twin display ACA function separately.
Loosen the two screws from the case bottom and remove the bottom case. Slide the
battery out the side of the holder and replace with a new battery (observe polarity).
Replace the bottom case. Re-fasten the screws.
GENERAL SPECIFICATION
Display :
3-3/4 digits 4000 counts LCD display(s)
Update Rate :
3 per second nominal
Polarity :
Automatic
Low Battery :
Below approx. 2.4V
Operating Temperature :
0
°
C to 40
°
C
Relative Humidity :
Maximum relative humidity 80% for temperature up to 31
°
C
decreasing linearly to 50% relative humidity at 40
°
C
Altitude :
Operating below 2000m