General Specifications - Chauvin Arnoux CDA 50 Mode D'emploi

3.2 RECOGNITION OF DC OR AC
Both green LED's "+" and "-" light up: AC voltage
The "+" LED lights: DC, positive at the test
prod of the tester
The "-" LED lights: DC, negative at the test
prod of the tester
No LED lights up: no voltage or voltage < 12 V.
3.3 VALUE OF THE VOLTAGE
2 green LED's: 12 V and 24 V
5 red LED's: 50 V, 127 V, 230 V, 400 V and 690 V
The last LED lit gives the level of voltage present.
Lights to 85 % of the nominal voltage.
: Emission of continuous audible buzzer
In case of bright sunlight, the visual percep-
tion of the presence of voltage may be affected.
3.4 SPECIFICATIONS AND DOMAIN OF USE
Voltage detection: 12 V ≤ U ≤ 690 V
Frequency: 0...400 Hz
Maximum voltage in relation to the earth: 600 V
Permitted overload: 1000 Vrms for 30 seconds
Consumption: variable depending on the voltage.
125 µA at 50 V and 1.7 mA at 690 V
Impedance: 400 kΩ
Response time: < 0.5 seconds
Duration of test: unlimited for U ≤ 690 Vrms and tem-
perature < 35°C. From 35 to 55°C limit to 3 minutes.
4 - PHASE/NEUTRAL IDENTIFICATION
Always perform an AUTO-TEST before
using the tester
Bring the test prod into contact with the circuit to
test (one or other or both together). In the presence
of phase (U > 100 V) the "Ph" LED flashes. In
certain cases, the "Ph" LED may light up in the
presence of static charges.

5 - GENERAL SPECIFICATIONS

5.1 ENVIRONMENTAL CONDITIONS
Conditions to respect to guarantee good
operation
Use indoors only, without splashing water, in
conformity with the protective index IP 40
Temperature: -10...+55°C
Relative humidity: 10...90% RH
Altitude: up to 2000 m
5.2 POWER SUPPLY
1 battery 9 V (6 F 22, 6 LF 22 or NEDA 1604)
Battery life:
- 5500 tests of 5 seconds with alkaline battery (6 LF 22)
- 4000 tests of 5 seconds with ordinary battery
5.3DIMENSIONS AND WEIGHT
Dimensions: 193 x 47 x 36 mm (outside)
simultaneously with lighting of the red
LED's (U > 50 V).
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