Environmental Conditions - Chauvin Arnoux C.A 762 Notice De Fonctionnement

4.2.3. PHASE IDENTIFICATION
120 Vac<voltage<690 Vac and 45Hz≤frequency ≤65Hz
400 Vac<voltage<690 Vac and 16.67Hz≤frequency<45Hz
4.2.4. PHASE-ORDER
Frequency between 45 and 400Hz.
Voltage between 50 and 690 Vac between phases.
Time to acquisition of the information after contact ≤1s.
Retention time of the information: 10s.
Acceptable amplitude unbalance: 20%.
Acceptable level of harmonics in voltage: 10%.
Rejection of power company remote control signals (TCC-
175Hz-188Hz).

4.3. 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.
4.4. ALIMENTATION
The C.A 762 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 2
1
10 20 30 40 50 60 70 80 90
34
°C