MRU-21 Earth Resistance Meter
2 in stock
Possible measurements:
- earth resistance measurment with 3-pole method,
- measurement of continuity of equipotential bondings and protective conductors with auto-zero function – with current 200 mA,
- resistance measurement using 2-pole method.
₨0
2 in stock
CompareEarth Resistance Meter
| Weight | 1.4 kg |
|---|---|
| Dimensions | 29 × 22 × 7 cm |
Measurement of earthing resistance
measurement range to IEC61557 – 5:
0,50 Ω…1,99 kΩ for Un=50 V;
0,68 Ω…1,99 kΩ for Un=25 V;
| Range | Resolution | Accuracy |
| 0,00…9,99 Ω | 0,01 Ω | ±(2% m.v. + 3 digits) |
| 10,0…99,9 Ω | 0,1 Ω | |
| 100…999 Ω | 1 Ω | |
| 1,00k…1,99 kΩ | 0,01 kΩ |
• measurement current: under short circuit >20 mA,
• voltage on open terminals: selectable <25 V AC or <50 V AC,
• frequency of measurement current: 125 Hz
Measurement of interference voltage UN (RMS)
| Range | Resolution | Accuracy |
| 0…100 V | 1 V | ±(2% m.v. + 3 digits) |
• measurement for DC and AC 45…65 Hz
Measurement of resistance of auxiliary electrodes RH i RS
| Range | Resolution | Accuracy |
| 0…999 Ω | 1 Ω | ±(5% (RS+RE+RH) + 3 digits) |
| 1,00k…9,99 kΩ | 0,01 kΩ | |
| 10,0k…50,0 kΩ | 0,1 kΩ |
Measuremet of continuity of equipotential bondings and protective conductors
measurement range to IEC61557 – 4: 0,13 Ω…199 Ω
| Range | Resolution | Accuracy |
| 0,00…9,99 Ω | 0,01 Ω | ±(2% m.v. + 3 digits) |
| 10,0…99,9 Ω | 0,1 Ω | |
| 100…199 Ω | 1 Ω |
- measuring method: technical 2-pole method,
- max. voltage on open terminals: 13 V,
- measurement current: under short circuit >200 mA,
- auto-zero function for measurement leads
Electric security:
- type of insulation: double, according to EN 61010 – 1and IEC 61557
- measurement category: CAT IV 300 V acc. to EN 61010 – 1
- protection class acc. to EN 60529: IP54
Rated operational conditions:
- operation temperature: -10…+55°C
- storage temperature: -20…+70°C
- humidity: 20…80%
Other technical data:
- LCD display: segment, backlit
- interface: USB,
- number of measurements carried out of set of batteries: > 1000 (5 Ω, 2 meas./min.)
- warranty: 2 years
- dimentions: 288 x 223×75 mm
- weigth: 1,4 kg
Brand
SONEL
Based on 0 reviews
Be the first to review “MRU-21 Earth Resistance Meter”
-
Battery Testers
Battery Load Tester – BT 100D
- 100 Amp Digital Battery Load Tester
- Microprocessor Control–makes for an easy and accurate load test with no need to time yourself
- Bright, LED Digital Display–indicates both voltage and test results
- Unique 3-Step Design–LED polarity check function, battery load test and charging system test readout
- Super-Grip Battery Clamps–heavy-duty and color-coded
- Baked Enamel, Steel Case–ventilated to keep cool
- Rubber Insulated Carrying Handle–for comfort and safety
- Checks both Battery and Charging System
SKU: n/a -
Analog Multimeters
ANALOG METER YX 360TR BS
Features Of Handheld YX-360TRE-B Analog Meter Voltmeter:
- High accuracy analogue multimeter for general purposes.
- Mirrored needle indicator with an accurate reading.
- Check both AC and DC parameters with continuity buzzer on Ohms.
- Up to 1000V on both AC and DC Voltage.
- 19 versatile ranges for general-purpose testing.
- Fuse & Diode protection.
- Compact sizing.
- Tilt back-stand.
- The large and mirrored scale of 80mm length.
SKU: n/a
Related products
-
Earth Ground Resistance Testers
UT275 Clamp Earth Ground Testers
UT270 series can measure the grounding system of a circuit without disconnecting the ground wires and auxiliary electrode. It clamps the grounding circuit and measures the grounding resistance fast and safely. It can measure resistance as low as 0.01Ω and has a high resolution of 0.001Ω. It has overload alarm function, which can help to setup the alarm value within the ranges. The clamp has double insulation, which strengthens the anti-interference.
SKU: 90000 -
Earth Ground Resistance Testers
UT521 Earth Groud Testers
UT520 series earth resistance tester hasthe functions of backlight display, low battery display, data hold, datastorage, auto power off and power saving. It can not only be used for accurate three-wiremeasurement but also simple two-wire measurement.
It is applicable to measuring the earthresistance of all kinds of electrical power system, electrical equipment and anti-thunderequipment. It can also measure the earth voltage. It is applicable to testingoperating earth systems of smelting, communication, manufacture, fossil oil,national defense, electricity, chemical industry and construction.
SKU: n/a -
Earth Ground Resistance Testers
MRU-30 Earth Resistance and Resistivity Meter
-
It allows to take the measurements of:
- earthing resistance using auxiliary electrodes,
- earthing resistance using auxiliary electrodes and clamp (for measurements of multiple earthing),
- earthing resistance using double clamps for measuring multiple earthing without underground connections.
- ground resistivity (Wenner method),
- continuity of equipotential bondings and protective
- conductors (meeting the requirements IEC 60364) with auto-zero function – with current 200mA.
Additionally:
- measurement of resistance of auxiliary electrodes RS and RH,
- measurement of interference voltage,
- measurement in the presence of interference voltage in the power network
- with frequency 50Hz, 60Hz,
- selection of maximum measuring voltage (25V and 50V),
- introducing the distance between the electrodes for the resistivity in metres (m) and feet (ft),
- memory of 990 measurements (10 banks of 99 cells each),
- calibration of clamp used,
- data transmission to the computer (USB),
- indication of battery state.
SKU: n/a -
There are no reviews yet.