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Accurately measure very low contact resistances of breakers, switches, busbars, motors, generators, or any application where low resistance current is required.
| Model | MRM-10 | MRM-10E | MRM-100 | MRM-200 | |
| TEST CURRENT | 1 mA - 10 A | 1 mA - 10 A | 10 A - 105 A | 5 A - 200 A (True DC) | |
| RESISTANCE RANGES | 0-2000 μΩ @ 10 A 0-20 mΩ @ 10 A 0-200 mΩ @ 1 A 0-2000 mΩ @ 100 mA 0-20 Ω @ 10 mA 0-200 Ω @ 1 mA |
0-2000 μΩ @ 10 A 0-20 mΩ @ 10 A 0-200 mΩ @ 1A 0-2000 mΩ @ 100 mA 0-20 Ω @ 10 mA 0-200 Ω @ 1 mA |
1 μΩ to 240 mΩ | 0.1 μΩ to 2 mΩ, with 0.1 μΩ resolution 2 mΩ to 200 mΩ, with 10 μΩ resolution 200 mΩ to 1 Ω, with 1 mΩ resolution |
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| RESOlUTION | 1 μΩ @ 10 A | 0.1 μΩ @ 10A | 1 μΩ to 199 μΩ: 0.1 μΩ 200 μΩ to 1999 μΩ: 1.0 μΩ 2.00 mΩ to 19.99 mΩ: 0.01 mΩ 20.0 mΩ to 240.0 mΩ: 0.1 mΩ |
up to 0.1 μΩ | |
| INPUT | 100-240 V, 50/60 Hz | 100-240 V, 50/60 Hz | 120 VAC, 60 Hz or 230 VAC, 50/60 Hz, 5 A |
100-240 V, 50/60 Hz | |
| BASIC ACCURACY | ±( 0.2% of reading ± 2 digits) |
±(0.1% of reading + 0.005% of full scale) |
±(1% of reading ±0.4 μΩ at 100 A) or (±4 μΩ at 10 A) |
±0.5% of measured value | |
| PROTECTION | n/a | n/a | Thermal | Overcurrent, short-circuit and thermal | |
| OPERATING TEMPERATURE | -5°C to 50°C | -5°C to 50°C | -5°C to 50°C | -5°C to 50°C | |
| STORAGE TEMPERATURE | -25°C to 65°C | -25°C to 65°C | -20°C to 57°C | -10°C to 60°C | |
| HUMIDITY | <90%, non-condensing | <90%, non-condensing | <90%, non-condensing | <90%, non-condensing | |
| ADVANCED FEATURES | Powered by rechargeable battery Measured value display hold function |
Powered by rechargeable battery Measured value display hold function |
Full Keypad—Allows easy entry of test descriptions and parameters Integrated printer |
Programmable set-up test time 5-120 seconds Software w/automatic report generator including operator’s comments Built-in memory with capacity to store 50 registers with 80 readings each |
|
| DIMENSIONS | length | 15” (378 mm) | 15” (378 mm) | 16.5” (419 mm) | 20” (502 mm) |
| Width | 12” (308 mm) | 12” (308 mm) | 15.25” (387 mm) W | 15.5“ (394 mm) | |
| height | 7” (175 mm) | 7” (175 mm) | 11.25” (286 mm) | 7.5” (190 mm) | |
| Weight | 19 lbs (8.7 kgs) | 17 lbs (7.6 kgs) | 28 lbs (13 kgs) | 45 lbs (20.5 kgs) | |
| ACCESSORIES INCLUDED | 2 Combined test leads (current and potential) |
2 Combined test leads (current and potential) |
1 Input Power cable 6’ (2 m) | 2 Output/Sense cables 20’ (6 m) | |
| 1 Charger Power cord | 1 Charger Power cord | 2 Output/Sense cables 30’ (9 m) | 1 Ground cable | ||
| 1 RS232 cable | 1 RS232 cable | 1 Canvas bag for cables | 1 Power cord | ||
| User Guide | User Guide | User Guide | 1 USB Communication cable | ||
| 1 Syntheticbag for cables and instrument |
1 Syntheticbag for cables and instrument |
1 Carrying case for the test leads 1 Software license User guide |
- Microprocessor controlled
- 4-wire Kelvin measurement
- Easy to read digital screen display
- IEC safety compliant
- Separate Cable/Accessory carrying case
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