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1 Ergebnis(se) :

Frage Nr. 1 (ask on 14/12/2015) : What are the major upgrades provided by the C.A 740N/760N new-generation Voltage Absence Testers compared with the previous C.A 740/760 range?

beantwortet am 14/12/2015 :
The C.A 740N and C.A 760N models are the result of a change in the standards after implementation of Edition 2 of the IEC/EN 61243-3 standard.
The IEC/EN 61243-3 standard defines the usage and the functional and technical specifications of the Voltage Absence Testers used during the separation procedure for an electrical installation.
This new edition of the standard requires the addition of a separate, redundant voltage detection system, which is why the ELV (Extra Low Voltage) LED has been added on the C.A 740N and C.A 760N models.
Similarly, the RCD trip function up to 30 mA has also been removed on the C.A 760N because of a change in the standards.

Although this change has been mandatory for measuring instrument and tester manufacturers since 1st May 2013, the standards and the law do not prohibit the use of instruments from the previous generation and there is no danger in doing so.

The C.A 740N and C.A 760N also include a few other modifications:
- automatic switching in continuity detection mode if no voltage is present
- extended continuity testing with an indication for R < 2 kΩ, 60 kΩ and 300 kΩ