»

Tags: contact resistance

Testing GIS Circuit Breakers with Both Sides Grounded: A Safer, Faster Approach with DV Power's CAT500

Testing GIS Circuit Breakers with Both Sides Grounded: A Safer, Faster Approach with DV Power's CAT500

Billy 31/07/2026 0
Gas-insulated substations (GIS) have transformed how high-voltage infrastructure is built and maintained. By encapsulating conductors, circuit breaker...
Read More
Why High Current, Continuous Current, and Both Sides Grounded Testing Matter in Micro-Ohmmeters

Why High Current, Continuous Current, and Both Sides Grounded Testing Matter in Micro-Ohmmeters

Billy 03/07/2026 0
  In electrical maintenance, a micro-ohmmeter is used to measure very low resistance values. Typical applications include circuit breaker contacts, ca...
Read More
Choosing DV Power Micro-Ohmmeters: Naming Logic, Model Differences, and Application Guide

Choosing DV Power Micro-Ohmmeters: Naming Logic, Model Differences, and Application Guide

Billy 02/07/2026 0
DV Power’s micro-ohmmeter lineup is built around the RMO name. In general, RMO refers to a low-resistance or micro-ohm measurement instrument that use...
Read More
What Test Current Do You Need for a Micro-Ohmmeter: 1A, 10A, 100A, 300A, or 600A?

What Test Current Do You Need for a Micro-Ohmmeter: 1A, 10A, 100A, 300A, or 600A?

Billy 01/06/2026 0
When choosing a micro-ohmmeter, one of the most common questions is:What test current do I actually need: 1A, 10A, 100A, 300A, or 600A?The short answe...
Read More
Circuit Breaker Testing: Why Timing, Contact Resistance, and Motion Analysis Matter

Circuit Breaker Testing: Why Timing, Contact Resistance, and Motion Analysis Matter

Billy 28/04/2026 0
Circuit breakers are often treated as simple switching devices, but in real-world power systems they are critical protective assets. When a fault occu...
Read More
DV Power GGT Series Ground Grid Integrity Tester for High-Current Grounding System Verification

DV Power GGT Series Ground Grid Integrity Tester for High-Current Grounding System Verification

Billy 13/04/2026 0
DV Power GGT Series Ground Grid Integrity Tester for High-Current Grounding System Verification For substations, industrial facilities, and critical e...
Read More
DV Power RMO-H Series Handheld Micro-Ohmmeter for Fast and Safe Contact Resistance Testing

DV Power RMO-H Series Handheld Micro-Ohmmeter for Fast and Safe Contact Resistance Testing

Billy 10/04/2026 0
DV Power RMO-H Series Handheld Micro-Ohmmeter for Fast and Safe Contact Resistance Testing For field crews working on circuit breakers, disconnectors,...
Read More
Improve Weld and Connection Inspection with the Hioki RM3545A

Improve Weld and Connection Inspection with the Hioki RM3545A

Billy 24/01/2025 0
Improve Weld and Connection Inspection with the Hioki RM3545AAs electric mobility, battery systems, and high-current power applications continue to ex...
Read More