The high-current Micro-Ohmmeter Model 6292 is a portable, microprocessor-controlled instrument. It has optimized filters and protection for measurements in electrical substations. The Model 6292 can be used to accurately measure very low contact resistances of high voltage circuit breakers, switches, busbars, etc., with test currents up to 200A.
Measurement accuracy is guaranteed through a state-of-the-art signal amplification system, offset-free with high long-term stability. Resistance readings are shown in the alphanumeric display with up to 4½-digit resolution. It allows measurement resistances up to 1Ω, and resolution of 0.1µΩ.
ELECTRICAL
Test Current Range
5 to 200A (True DC)
Resistance Range
0.1µΩ to 2mΩ 2 to 200mΩ 200mΩ to 1Ω
Accuracy
± 1% of reading from 50µΩ to 1Ω
Resolution
0.1µΩ to 2mΩ 2 to 200mΩ 200mΩ to 1Ω
0.1µΩ (50 to 200A) 10µΩ (25A at 200mΩ) 1mΩ (5A at 1Ω)
Output Voltage
100VAC: 4.2V @ 200A 220VAC: 8.6V @ 200A
Max. Load Resistance
100VAC: 20mΩ @ 200A 220VAC: 42mΩ @ 200A
Measurement Method
Four-terminal, Kelvin-type
Test Mode
Normal or both sides grounded (BSG)*
Adjustable Test Time
Unlimited for test currents of 100A or less; 5 to 120 seconds for test currents above 100A
Memory
Stores up to 8000 measurements
Automatic Storage Of Test Results
Yes
Interface
USB 2.0, supplied with DataView® software for download and reporting
