Micro-Ohmmeters
Sonel MMR-640 Low Resistance Meter
Sonel MMR-640 Low Resistance Meter

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Sonel MMR-640 Low Resistance Meter

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Mô tả

Sonel MMR-640 Low Resistance Meter
INDEX CAT. WMGBMMR640
EAN 5907624028708

Ingress protection: IP 67
Measurement category: CAT III 600 V, CAT IV 300 V
Data transmission: Wi-Fi, LAN, USB
Display: touchscreen, graphic, color, backlit
 

Description
 

Low resistance within range

Product features

  • measurement of very low resistance
  • high immunity to disturbances
  • easy operation
  • big touchscreen
  • automatic measurement mode
  • autoranging

Application

The MMR-640 meter is designed to measure very low resistance of resistive objects. This product is made to be used in power plants, railways and maintenance companies to measure resistance of:

  • breakers, contacts,
  • earthing conductors, equipotential bondings,
  • welded and soldered connections,
  • bolted connections,
  • and other resistive objects. MMR-640 can be also utilized on production lines (eg. at the final production control stage).

Device capabilities

The MMR-640 meter provides an innovative combination of a high-performance measuring device with a modern user interface and advanced data management system.

Durable and practical casing

In response to the customers needs the MMR-640 has been designed to operate in difficult environmental conditions. A unique casing with the IP67 ingress protection rating ensures that the device is both waterproof and dustproof.

Easy readout

The MMR-640 meter is equipped with a readable colour touchscreen that, due to its 800 x 480 pixel resolution, provides both high comfort of interacting with the interface and high readability of the measurement results.
 


Technical data
 

Range Resolution Test current Accuracy
0...999.9 μΩ 0.1 μΩ 10 A ±(0.25% m.v. + 2 digits)
1.0000...1.9999 mΩ 0.0001 mΩ 10 A ±(0.25% m.v. + 2 digits)
2.000...19.999 mΩ 0.001 mΩ 10 A ±(0.25% m.v. + 2 digits)
20.00...199.99 mΩ 0.01 mΩ 10 A / 1 A ±(0.25% m.v. + 2 digits)
200.0...999.9 mΩ 0.1 mΩ 1 A / 0.1 A ±(0.25% m.v. + 2 digits)
1.0000...1.9999 Ω 0.0001 Ω 1 A / 0.1 A ±(0.25% m.v. + 2 digits)
2.000...19.999 Ω 0.001 Ω 0.1 A ±(0.25% m.v. + 2 digits)
20.00...199.99 Ω 0.01 Ω 10 mA ±(0.25% m.v. + 2 digits)
200,0...1999.9 Ω 0.1 Ω 1 mA ±(0.25% m.v. + 2 digits)

m.v. - measured value

Parameter Value
Net weight (kg) 3.6
Package weight (kg) 5.9
Package width (cm) 40.5
Package height (cm) 25
Package length (cm) 30.5

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