-
×
Kada 2018D+ 2in1 Hot Air SMD Soldering Iron Station BGA Rework Station
- Vendor:
superworld
Subtotal: ₨20,000
Earth Ground Resistance Testers
MRU-21 Earth Resistance Meter
Availability:
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”
-
Environment Meters
UT353 – Mini Sound Lever Meter
UT353 is a mini sound meter which can convert ambient sound into electrical signals, process data and displays results on LCD. It does not have traditional meter issues such as meter being too large, complex operation, and so on. UT353 can constantly monitor ambient sound. It is light weight, compact, ergonomic, and user friendly, making it a great tool for monitoring noise levels in hotels, conference halls, home theater, hospitals, and any other noise sensitive environments.
SKU: n/a -
Multimeters
UT195E Professional Digital Multimeters
Features
1. IP65 rating, 2m drop proof, CAT III 1000V, CAT IV 600V
2. Large 6000-count LCD screen
3. True RMS
4. ACV 750V 5kHz bandwidth
5. Flashlight
6. Auto LCD backlight controlled by light sensor (can be turned off)
7. LoZ voltage test, for ghost voltage measurement
8. 20A current measurement (max 30 seconds)
9. 31 analogue bar
SKU: n/a -
Tool Kits, Tools and Hardware
JM-6111 Professional Screwdriver Tool Set
Features:
- Ratchet screwdrivers with twist reverse and ratchet lock mechanism.
- Contoured comfort grip handle. Supplied in a portable box.
- Adjustable screwdriver bits for different screws.
- Common used in automotive parts and home appliances.
- Non-slip handle is made of PP & TPR material.
SKU: n/a
Related products
-
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
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
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.