AAROHI Resistance meter measure a wide range of resistance values at a high level of accuracy. RM2K20 is a high-precision, portable resistance meter capable of measuring resistance with extremely high accuracy with low ambient temperature effect.
This is ideal for the testing and maintenance of Electric motors, Pump sets & other equipment with windings. This Instrument is based on the Kelvin 4- wire connection method for measurement of low resistance.
| Model | RM2K20C |
| Range | 2 Ω , 20 Ω , 200 Ω , 2000 Ω |
| Least count | 0.0001 Ω, 0.001Ω, 0.01 Ω, 0.1 Ω respectively for above range |
| Measurement current rating | For 2000 Ω: 100 Micro Amp., 200 Ω: 1 mA, 20 Ω: 10 mA, 2 Ohms- 110 mA |
| Range change over | Auto ranging by mosfet based static design to avoid contact resistance |
| Resolution | 4 1/2 digit |
| Electronic design concept | Pic 24- Microchip – 16 bit controller with emi/ emc compatibility |
| Protection | Back emf |
| Zeroising method | Digital |
| Measurement method | 4 wire resistance measurement |
| Sampling rate | 128 samples/ sec |
| Current control | Isolated current channel |
| Computer Interface | Rs 485/ 232 |
| Warm up time | 5 minute |
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FEATURES |
BENEFIT |
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Highly accurate |
Ideal to test motors as per IEC 61000-4-7 Class I and Class II Accuracy & other IES/ ISO/ ISI standards. |
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Based on Kelvin 4- wire measurement methods. |
Gives error-free measurement even in online measurement through Contractor logic. |
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RS- 485 computer interface |
Easy to interface with PC for data logging. |
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Auto-ranging |
Eliminate effect, ambient temp. |
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Zero Adjustment (Help to Nullify cable / Probe resistance) |
Gives the best accuracy with help of automatic detection of range. |
- Production line or QA testing of electric motors.
- Winding testing for a motor manufacturer.
- Development and evaluation for home appliances.
- For fault finding/ Maintenance in electric/ Electronic component
- Evaluation of equipment such as induction heaters/cookers
- Ideal for online testing.
