Page 123 - Surge-Protection-E_0.pdf

Measuring Devices and Accessories

SPD Test Device
• For routine tests of surge protective devices
• Compact dimensions
• Suitable for mains and battery operation
• Low battery indicator
• Test leads included in delivery

For testing the sparkover voltage of surge arresters. The specimen is connected via
the test leads supplied or special test adapters.

The PM 20 SPD test device with integrated detection of the sparkover can be tested. The results can be compared to the limit values specified in
voltage is used to test Red/Line and Yellow/Line surge arresters with an the instructions for use. In case of deviations, the arrester or protection
integrated varistor, Zener diode or gas discharge tube. Both the sparkover module must be replaced.
performance between the connections of the arresters and the continuity

Indication of the measured sparkover The sparkover performance of gas Insulated test leads included in de- Can be directly connected to a DEHN-
voltage. discharge tubes, varistors and Zener livery. guard protection module.
diodes can be tested.

PM 20 910 511 PM 20
Combined device for testing the sparkover voltage of surge arresters (with gas discharge tubes / varistors / Zener diodes).
Storage bag and measuring accessories included. 910 511 kg 4013364111424 04 03 01 01 1.32
1.785,00 €

Type PM 20
Part No. 910 511
Nominal voltage (UN) 8-12 V d.c.
Test parameter: Test voltage max. 1250 V d.c.
Test parameter: Test current (reference voltage) 1 mA d.c., constant
Measured value indication alphanumeric, eight-digit LCD
2 test leads (each 1 m long), 2 safety tapping test clips,
Accessories included in delivery
1 plug-in power supply unit (230 V a.c.), 1 storage bag

Measuring Devices and Accessories

Valid as of August 1, 2020 You will find detailed product information on our website 119