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Red clamp tester with curved jaws and digital display

ETCR

ETCR 9400 Zinc Oxide Arrester Clamp Tester 0.000mA~300.0mA

SKU CH-7BQB-RBBSZ MPN 9400

Measures zinc oxide arrester leakage current up to 300.0mA on live lines below 35kV without power interruption

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Measures arrester leakage current up to 300.0 mA without power interruption
  • Resolves 1 µA changes across the 0.000 mA to 300.0 mA range
  • Wireless data transfer works at distances up to 30 m
  • Stores 200 measurement groups for later review
  • Fits conductors through a 40 mm clamp opening

Zinc Oxide Arrester Testing

The ETCR 9400 is a clamp tester designed to measure leakage current on zinc oxide arresters operating on circuit lines below 35kV. It performs live testing without interrupting the power supply or removing the arrester from service.

Live-Line Maintenance Teams

Technicians who need to assess arrester condition on energised lines will find the 30 m wireless communication and 200-group data storage useful for efficient field work. Buyers who require an integrated display on the clamp head or a measurement range extending beyond 300.0 mA should look at alternative instruments.

0.000 mA to 300.0 mA Measurement Range

This span, with 1 µA resolution and ±1% rdg ±8 dgt accuracy, determines whether the tester can detect the low-level leakage currents that indicate early arrester deterioration. The F40 mm clamp aperture sets the maximum conductor size that can be accommodated.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $888.99
Pricier than about 92% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameETCR
Model name9400
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

What power source do I need to supply myself for the ETCR 9400 to operate?

The tester requires batteries that are not included in the package; you must purchase them separately from a local store.

Can I test arresters on a live 35kV line without shutting down the circuit using the 9400?

Yes, the clamp tester measures leakage current on energised lines up to 35kV with no need to de-energise or remove the arrester.

How do I confirm the 9400 is capturing readings correctly after I clamp it on?

The display will show a leakage current value within the 0.000mA to 300.0mA range at 1µA resolution, and each measurement can be saved to one of 200 storage groups.

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