Chauvin Arnoux C.A 742 Notice De Fonctionnement page 29

3.3. ENVIRONMENTAL CONDITIONS
The device is of type N. It must be used under the following
conditions:
%RH
100
90
80
70
60
50
40
30
20
10
0
-50 -40 -30 -20 -10 0
1: Reference domain
2: Operating range
-15 to +45°C and 20 to 95% RH without condensation.
(35°C max. at 95% RH)
3: Range in storage (without batteries)
-40 to +70°C and 20 to 95% RH without condensation.
If an extended period of non-use is anticipated, or for storage,
withdraw the batteries from the housing.
For use indoors and outdoors.
Pollution degree: 2.
Altitude: <2000m.
3.4. ALIMENTATION
The C.A 742 is powered by two 1.5V alkaline batteries (type
AAA or LR3).
The battery life is 7,000 10-second measurements.
The batteries can be replaced by rechargeable batteries, but
the life between charges will be much shorter.
3.5. CHARACTERISTICS OF CONSTRUCTION
Dimensions (LxWxH)
Weight
Cord
Protection class
Drop
3 2
163 x 64 x 40mm
approximately 210g
length 90cm
IP65 per IEC 60529
IK04 per IEC 50102
2 metres
1
10 20 30 40 50 60 70 80 90
29
°C