Amperis Products S.L. has several microhmmeter models, according to your needs.
All our models are designed for testing resistance in welding joints, HV circuit-breakers (according to IEEE C57.09-1999 5.15), or for any low-resistance measuring application.
Below is a comparison chart for Amperis microhmmeters:
|MICROHMMETER||QAUTO-OHM 200||QMOM 200||QMOM 600|
|TEST CURRENT RANGE||1-200A||1-200A||10-600A|
|RESISTANCE READING RANGE||1µΩ-5Ω||1µΩ-5Ω||1µΩ-400mΩ|
|ACCURACY||1A to 4.99A: 1% ±10 µΩ||1A to 4.99A: 1% ±10 µΩ||10A to 49.9A: 1% ±2 µΩ|
|5A to 9.99A: 1% ±2 µΩ||5A to 9.99A: 1% ±2 µΩ||50A to 600A: 1% ±1 µΩ|
|10A to 200A: 1% ±1 µΩ||10A to 200A: 1% ±1 µΩ|
|BUILT-IN THERMAL PRINTER||√||√|