MMR-6500 - Measuring equipment Sonel - Free user manual and instructions
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| Product Type | Micro-ohmmeter (Milliohmmeter) |
| Measurement Method | 4-wire Kelvin |
| Dimensions (W x H x D) | 235 x 120 x 55 mm |
| Weight | 0.9 kg |
| Power Supply | Rechargeable Li-ion battery, 7.4 V / 3.6 Ah |
| Measurement Range | 0.1 μΩ to 1000 Ω |
| Max Test Current | 10 A DC |
| Accuracy | ±0.2% of reading ±2 digits |
| Display | LCD backlit, 128 x 64 pixels |
| Data Storage | Up to 1000 records |
| Connectivity | Bluetooth, USB |
| Safety Rating | CAT IV 300 V, double insulation |
| Operating Temperature | -10°C to 50°C |
| Standards Compliance | EN 61010-1, EN 61326-1 |
| Maintenance | Clean with dry cloth; calibrate annually |
| Spare Parts Available | Test leads, alligator clips, USB cable, charger, carrying case |
Frequently Asked Questions - MMR-6500 Sonel
What is the measurement range of the Sonel MMR-6500?
The MMR-6500 measures resistance from 0.1 μΩ to 1000 Ω with a maximum test current of 10 A DC.
How do I change the battery in the MMR-6500?
The device uses a rechargeable Li-ion battery. To replace, turn off the meter, remove the back panel, disconnect the old battery, and connect the new one. Ensure proper polarity. Refer to the manual for details.
Can I connect the MMR-6500 to a computer?
Yes, via USB or Bluetooth. Use the Sonel Reader software for data transfer and analysis.
What does the 4-wire Kelvin measurement mean?
It uses separate sense and force leads to eliminate lead resistance errors, allowing accurate measurement of very low resistances (<1 Ω).
How often should I calibrate my MMR-6500?
Sonel recommends annual calibration to ensure accuracy. Calibration should be performed by an authorized service center.
The display shows 'OL'. What does that mean?
'OL' indicates overload or open circuit. Check that the test leads are properly connected and the resistance is within range.
Is the MMR-6500 safe for use on live circuits?
No, the device is designed for de-energized circuits only. It has a CAT IV 300 V rating for transient protection, but never connect to live voltage.
What accessories are included with the MMR-6500?
Typical accessories include Kelvin clips, test leads, USB cable, charger, carrying case, and user manual. Verify with your supplier.
How do I clean the MMR-6500?
Use a dry, soft cloth to clean the exterior. Do not use solvents or abrasives. Keep the terminal clean to ensure good contact.
What is the typical battery life of the MMR-6500?
With a fully charged Li-ion battery, the device can operate for approximately 8 hours under continuous use. Battery life varies with test current.
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USER MANUAL MMR-6500 Sonel
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Product information
Brand : Sonel
Model : MMR-6500
Category : Measuring equipment