PD 294.1

The testing module is intended for a quick indicative verification of functionality of the instruments PU 294 DELTA and following types. The module can be used to verify the revision instruments according to CSN 33 1600, CSN 33 1610 from other producers. The module connected to a revision instrument simulates the measured appliance. The testing module PD 294 complies with CSN EN 61010-1. If used correctly, both the operator's safety and that of the module itself are guaranteed. The module meets the requirements for electro-magnetic compatibility according to CSN EN 61326 – it does not influence the function of test instrument.

The testing module PD 294.1 is intended for a quick indicative verification of functionality of the instrument PU 294 DELTA, when measuring:

• contact current IF

• alternating leakage current ID

• protective conductor current IPE and differential current IΔ-

• insulation resistance RISO

• protective conductor resistance RPE

• leakage currents at medical devices IM1, IM2, IM3 a IM4

• residual voltage UR