Sonel MRU-10 Earth Resistance Meter
INDEX CAT. WMGBMRU10
EAN 5907624027077
Ingress protection: IP 67
Measurement category: CAT III 300 V, CAT IV 150 V Description
Basic grounding measurements under all conditions
The Sonel MRU-10 earthing resistance meter - a compact and easy to use meter designed for earthing measurements using the technical method and for earth resistance measurements using the bipolar method.
The handy Sonel MRU-10 meter is characterised by exceptional ease of use while providing accurate results. The device is highly resistant to the occurrence of interference voltages. This is a basic type of meter that allows the quality of the earthing system to be assessed based on the test results obtained. Due to its ergonomic shape, robust casing and large and easy to read display, the MRU-10 meter is ideal for use in various areas. The device is ideal for electrical installation work. It is also a suitable working tool for technicians and measuring engineers involved in checking earthing.
Earthing resistance measurements
3-pole method – measurement of earthing systems using auxiliary probes
2-pole 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-10 is a simple meter that allows you to measure grounding by the use of the technical method and to measure grounding resistance by the use of the 2-pole method. The instrument is easy to handle, resistive to interference, and highly accurate. MRU-10 is a basic device that allows 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.
Technical Data
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 0.01 Ω
from ±(3% m.v. + 3 digits)
3-pole method
0.53…9999 Ω acc. to EN 61557-5
0.00…9999 Ω
from 0.01 Ω
from ±(3% m.v. + 3 digits)
auxiliary electrodes resistance
0 Ω…19.9 kΩ
0 Ω…19.9 kΩ
from 1 Ω
±(5% + 8 digits)
“m.v.” - measured value
Parameter
Value
Net weight (kg)
0.6
Package weight (kg)
2.8
Package width (cm)
34
Package height (cm)
17.5
Package length (cm)
28
Fits into
This product fits:
WME-8 Set for installation and grounding measurements in photovoltaic systems NO. CAT. WMGBWME8