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Contact Resistance Meter
DAC-MR-100B/DAC-MR-50B
Importance of a low resistance measurement
Low resistance measurements are crucial for maintaining the safety, reliability, and efficiency of electrical systems. When contact resistance in relays or circuit breakers becomes too high, or when resistance in power cables increases, it cause a reduction in current flow. This can lead to energy losses, overheating, and even the risk of electrical fires.
DAC-MR-100B/DAC-MR-50B are precision low-resistance measuring instrument designed to accurately measure the contact resistance of relays, magnetic circuit breakers, and the resistance of power cables etc. By regularly measuring the resistance in critical components, it is possible to identify wear and tear or the onset of deterioration before a failure occurs. It is also useful in confirming the specifications required for the electrical systems.
DAC-MR-100B/50B are ideal for both laboratory and on-site testing, offering instant and easy measurement with a resolution of 0.1 microohm.
Low resistance measurements are crucial for maintaining the safety, reliability, and efficiency of electrical systems. When contact resistance in relays or circuit breakers becomes too high, or when resistance in power cables increases, it cause a reduction in current flow. This can lead to energy losses, overheating, and even the risk of electrical fires.
DAC-MR-100B/DAC-MR-50B are precision low-resistance measuring instrument designed to accurately measure the contact resistance of relays, magnetic circuit breakers, and the resistance of power cables etc. By regularly measuring the resistance in critical components, it is possible to identify wear and tear or the onset of deterioration before a failure occurs. It is also useful in confirming the specifications required for the electrical systems.
DAC-MR-100B/50B are ideal for both laboratory and on-site testing, offering instant and easy measurement with a resolution of 0.1 microohm.
Application
○ Contact Resistance Measurement for Power Circuit Breaker (GIS, Switch Gear)
○ Resistance Measurement for Bus Bar and Joint
○ Conductive Resistance Measurement for Cables
Features
○ Light and Durable, only about 8 kg
○ Measuring Current DC 100A / DC 50A
○ Resolution：0.1 μ ohm
○ Kelvin Clips for Quasi Four Terminal Measurements
Specifications
| Model | DAC-MR-100B | DAC-MR-50B |
|---|---|---|
| Measuring range | 0 - 1.9999 m ohm |
0 - 1.9999 m ohm 0 - 19.999 m ohm |
| Measuring Current | DC 100A±3% | DC 50A±3% |
| Minimum Resolution | 0.1µ ohm | 0.1µ ohm |
| Measuring Current output | 1.000V/100A | 1.000V/50A |
| Display | 4 1/2 digit (Max 1.9999) | 4 1/2 digit (Max 19.999) |
| Size and weight | W305xH245xD250(mm), 8.4kg | W305xH245xD250(mm), 7.4kg |