Sonel WMUSMRU11 MRU-11 Earth Resistance and Resistivity Meter
- Part #:WMUSMRU11
- Condition:Brand New
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Free ShippingEasy way to measure earthing and soil
The Sonel MRU-11 earth resistance and soil resistivity meter is a simple meter that allows for measuring the earth resistance using the 3 pole and 4 wire method and the soil resistivity using the Wenner method. The instrument is easy to use, interference resistant and highly accurate.
MRU-11 is a basic device which, on the basis of the measurement result obtained, allows for checking the quality of the earthing system. With its ergonomic design, durable and robust casing and large, easy-to-read display, the meter is ideal for use in the field as well as in most work environments.
The device is simple to use and intuitive. It is the best choice for electrical contractors, technicians and earthing measurement professionals.
Earthing resistance measurements
- 3-pole and 4-wire method - measurement of earthing systems using auxiliary probes
- 2-pole method
- Earth resistivity - Wenner method
Features
- resistance of auxiliary electrodes RH and RS
- measurement of interference voltage to 100 V
- indication of battery state
- selection of maximum measuring voltage (25 V and 50 V)
- Auto-OFF function
Overview
MRU-11 is a simple meter that allows you to measure grounding by the use of the technical method (3- and 4-wire) and soil resistivity by Wenner method. The instrument is easy to handle, resistive to interference, and highly accurate.
MRU-11 is a basic device that allows for checking the quality of the grounding system on the basis of the received measurement result. Its ergonomic shape, durable and firm housing, as well as big and clear display make this instrument ideal to use both in the field and most working environments.
The device is simple to operate and intuitive. It is the best choice for electrical installations contractors, technicians, and professionals dealing with grounding measurements.
Includes:
- Test lead 15 m for earth resistance measurements (on a H-frame, banana plugs) red
- Test lead 2.2 m CAT III/1000V CAT IV/600V (banana plugs) black
- Test lead 2.2 m CAT III/1000V CAT IV/600V (banana plugs) blue
- Test lead 30 m for earth resistance measurements (on a H-frame, banana plugs) yellow
- Earth contact test probe (rod), 25 cm
- Carrying case
- Crocodile clip, black, 1 kV, 20 A
- Crocodile clip, blue, 1 kV, 20 A
- Hanging straps
- Hanging hook straps
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| Measurement functions | Measurement range | Display range | Resolution | Accuracy |
|---|---|---|---|---|
| Interference voltage | 0 V ... 100 V | 0 V ... 100 V | 1 V | ±(10% m.v. + 1 digit) |
| Earth resistance | ||||
| 2-pole method | 0.00 ... 9999 Ω | 0.00 ... 9999 Ω | from 0 0.01 Ω | from ±(3% m.v. + 3 digits) |
| 3-pole and 4-wire method | 0.53 ... 9999 Ω acc. to EN 61557-5 | 0.00 ... 9999 Ω | from 0 0.01 Ω | from ±(3% m.v. + 3 digits) |
| auxiliary electrodes resistance | 0 Ω ... 19.9 kΩ | 0 Ω ... 19.9 kΩ | from 0 1 Ω | ±(5% + 8 digits) |
| Earth resistivity | 0.0 Ωm ... 999 kΩm | 0.0 Ωm ... 999 kΩm | from 0.1 Ωm | Depends on the accuracy of the RE4p measurement, but not less than ±1 digit |
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