Sonel ERP-1
Adapter for earth resistance measurements with FS-2 flexible clamps
  • Description

    Sonel ERP-1 adapter is used for earth resistance measurements of electricity pylons using flexible clamp - Rogowski coil.
    It is designed to operate with the Sonel's earth resistance meters (MRU series), in 3-wire with clamp measurement function. Ergonomic, handy and user friendly design casing makes the measurements of pylons earth resistance quick and easy.

    The adapter works with the following meters:

    • Sonel MRU-200,
    • Sonel MRU-200-GPS.

    For this measurement we offer clamps in several length versions and different electrical specifications.

    Technical specification of offered flexible clamps:

    • FS-2 – 100 µV / 1 A, length 4000 mm,
    • FSX-3 – 300 µV / 1 A, length 2000 mm.

    Pylon earth resistance measurement adapter specification:

    • Measurement range……up to 5 A,
    • Operating frequency……up to 125Hz (for work in 50Hz network), 150Hz (for work in 60Hz network),
    • Power supply……3 x battery LR6 1,2 – 1,5 V,
    • Measurement category…..CAT IV 300 V in accordance with IEC 61010-1.

    Other data:

    • Storage temperature: -20...+80°C,
    • Storage humidity: 20...85%,
    • Operating temperature: -10...+50°C,
    • Operating humidity: 20...85%,
    • Dimensions: 88 x 33 x 146 mm,
    • Weight with batteries / without batterie: 340 g / 270 g,
    • Protection class: IP67.

    Standard accessories:

    • Sonel ERP-1 adapter,
    • flexible clamps FS-2  FS-2
    • user manual,
    • soft carrying case,
    • 3x batteries AA (LR6) 1,5V.

    Additional accessories:

    • flexible clamps FSX-3
    • hard carrying case XL8


    • ERP-1 adapter - WAADAERP1
    • ERP-1 adapter with FS-2 campsand carrying case - WAADAERP1V2
    • ERP-1 adapter with FSX-3 camps and carrying case - WAADAERP1V3


  • Files

Optional for product