| Winding OhmMeter RMO50M |
Brochure RMO50M 
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- Lightweight - only 8 kg
- Test current 5 mA - 50 A DC
- Measuring range 0,1 µΩ – 1 kΩ
- Mechanical protection IP43
- Extremely quick measurement
- Automatic discharge circuit
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| High DC current resistance meter for motors/generators |
| Description |
The ohmmeter RMO50M is designed for resistance measurement of electrical motors and generators. RMO50M generates true, filtered DC current. The test result is displayed as R=U/I.
The RMO50M instrument can store up to 500 measurements. All measurements are time and date stamped. Using RMOWin-M software a test can be performed from a PC, and the results can be obtained directly at a PC. Using RMOWin-M the result can be arranged as an Excel spreadsheet which can be later shown as a diagram and printed for a report. The RMO50M has very high ability to cancel electrostatic and electromagnetic interference in HV electric fields. It is achieved by very efficient filtration. The filtration is made utilizing proprietary hardware and software. |
| Typical Application |
| Typical application of RMO50M is measuring the resistance of: |
- Generators and electrical motors
- High-current busbar joints
- Cable splices
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| Standard accessories |
- RMOWin-M PC software
- Current cables 2x5m 10mm2 with battery clips
- Sense cables 2x5m 2,5mm2 with alligator clips
- Mains power cable
- Ground (PE) cable
- Transport case
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| Voltage sense cables |
Current cables |
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| Optional accessories |
- Built-in thermal printer
- Test shunt 75A/150mV
- Current cables 2x15m 10mm2 with battery clips
- Sense cables 2x15m 2,5mm2 with alligator clips
- Cable bag
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| Transport case |
Shunt |
Cable bag |
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| Technical data |
| 1 Mains Power Supply |
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| - Connection |
according to IEC/EN60320-1; UL498, CSA 22.2 |
| - Voltage single phase |
110 V - 240 V AC, +10% - –15% |
| - Frequency |
50/60 Hz |
| 2 Output data |
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| - Test current |
5 mA DC- 50 A DC |
| - Measuring range |
Resolution |
| 0,1 µΩ - 999,9 µΩ |
0,1 µΩ |
| 1,000 mΩ - 9,999 mΩ |
1 µΩ |
| 10,00 mΩ - 99,99 mΩ |
10 µΩ |
| 100,0 mΩ - 999,9 mΩ |
0,1 mΩ |
| 1,000 Ω - 99,99 Ω |
10 mΩ |
| 100,0 Ω - 1000 Ω |
0,1 Ω |
| - Typical accuracy |
±(0,2% rdg + 0,2% FS) |
| 3 Environment conditions |
| - Operating temperature |
-10°C - +50°C / 14°F - +122°F |
| - Storage and transportation |
-25°C - +70°C / -13°F - +158°F |
| - Humidity |
5% - 95% relative humidity, non condensing |
| 4 Dimensions and Weight |
| - Dimensions |
198 mm x 255 mm x 380 mm
7,8 in x 10 in x 15 in
(W x H x D) without handle |
| - Weight |
8 kg/17,6 lb |
| 5 Mechanical protection |
IP43 |
| 6 Warranty |
two years |
| 7 Safety Standards |
| - European standards |
EN 61010-1 |
| - International standards |
IEC 61010-1 |
| 8 Electromagnetic Compatibility (EMC) |
| - CE conformity |
EMC standard 89/336/EEC |
| - Emission |
EN 50081-2, EN 61000-3-2/3 |
| - Interference Immunity |
EN 50082-2 |
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