The tester is designed for use in an electrical network with a nominal voltage of 22 kV.
Testers of this type are designed for detecting presence of voltage at 50 Hz frequency on the electrical appliances in indoor environment and with illumination intensity up to 1000 Lx. Presence of voltage on the contact point is clearly indicated by a flashing glow lamp. Climatic conventional category from -25 to +55° C.
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