Earth Resistance Meter
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
CompareWeight | 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
Based on 0 reviews
Be the first to review “MRU-21 Earth Resistance Meter”
-
Laser Distance Meters
LM60 Laser Distance Meter
1. Ergonomic exterior, comfortable handling
2. Millimeter accuracy3. Large, multiple angle HD display5. Physical and electronics leveler6. Multiple functions: Max/Min/continuous measurement, displacement calculation, data storage, and more7. Auto power off after 3 minutes without operationSKU: n/a -
DC Power Supplies
DC Power Supply UTP3305
Features:
1. Dual channel, two circuits of adjustableoutput voltage 0~32V and one circuit of fixed voltage 5V.
2. Master-slave tracking, constant voltageand current, Ⅰ, Ⅱ circuit can be used for master-slave tracking and used in parallelor in series.
3. Forced ventilation, temperature controlcooling system. When the temperature reaches 65℃, the device dissipatesheat automatically.
4. Display mode: LED digital tube display,can show voltage and current simultaneously.
5. Low ripple, low noise
6. High regulation: 0.01%
7. Output ON/OFF control
8. Constant voltage and constant currentoperation
9. Optional European standard outputterminal
10. Overload protection, reverse polarityprotection
SKU: n/a -
Tool Kits
JM-6091 37 in 1 Multi-functional Screwdriver Tool Set
Features:
37-in-1 interchangeable precise manual tool set.
Professional portable hardware tools.Light weight, compact design.High hardness and good toughness.PP&TPR material, non-slip handle.Magnetic extension bar, whose lenth can be adjusting on the basis of different applications, is easy for removing and installing.It can be used to remove the small part of your cellphone/computer/Mp4…and to repair the device without damaging it.SKU: n/a -
Clamp Meters
CLAMP METER AC DC CM 2016
OverviewEssential details- Place of Origin:
-
Guangdong, China
- Brand Name:
-
vici
- Model Number:
-
CM-2016
- Display Type:
-
Digital Only
- Measuring Current Range:
-
60A/600A/800A
- Measuring Voltage Range:
-
600mV/6V/60V/600V
- Measuring Resistance Range:
-
600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ
- Measuring Capacitance Range:
-
6nF/60nF/600nF/6uF/60uF/600uF/6mF/60mF
- Measuring Inductance Range:
-
/
- Operating Temperature:
-
23±5℃
- Dimensions:
-
185*65*32mm
- Weight:
-
200g(including the batteries)
- Backlight display/Clamp light dispaly:
-
YES
- NCV:
-
YES
- Diode test:
-
YES
- clamp open:
-
28mm
- power supply:
-
2pcs 1.5V batteries
- Sampling rate:
-
3 times/second
- AC frequency response:
-
Current 50-60Hz/ voltage 50-400Hz
- Operation method:
-
Auto range
- OEM service:
-
Available
- Product Name:
-
Vicimeter CM-2016 AC/DC 3 5/6 Digital Clamp Meter
SKU: n/a
There are no reviews yet.