-
×
UPO3254E Ultra Phosphor Oscilloscope
- Vendor:
superworld
Subtotal: ₨868,512
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”
-
-
-
Process Celibrators
UT725 Multifunction Process Calibrator
Features of UT725 Multifunction Process Calibrator
Certifications: CE, UKCA
● Step/ramp functions
● Source and measure accuracy up to 0.02%● Rechargeable battery● Contrast adjustment● Auto power off (Time adjustable)● Stores and recalls setups● USB communication● Simultaneously measure and output different process signal in real time● Pressure measure with specified pressure modules, and sourcing pressure● Provides 24V loop power to transmitter while conducting mA current measurement at the same timeSKU: n/a -
Environment Meters
UT381 illuminometers
UT380 series professional pocket type illuminometer has the features of high integration level, low power dissipation and high test precision. It can test light intensity from 0 to 20000 Lux. UT382 can communicate with PC, which real time stores and analyzes data. It can also transmit the data stored in the illuminometer to computer, which analyzes, prints and saves the data. It is applicable to illumination site test. It is the best choice to measure plaza, gym, waiting hall and business site.
SKU: n/a
Related products
-
Earth Ground Resistance Testers
MRU-10 Earth Resistance Meter
It allows to:
- measure earthing resistance using auxiliary electrodes,
- 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 50 Hz and 60 Hz,
- selection of maximum measuring voltage (25 V and 50 V),
- indication of battery state.
SKU: n/a -
Earth Ground Resistance Testers
UT278A Clamp Earth Ground Testers
UT270 series is widely used in earth ground and circuit resistance measurements of electric power, telecommunications, meteorology, oil field, construction and industrial electrical equipment. It can measure the ground system of the circuit without disconnecting grounding wires, auxiliary electrode. UT278A can also measure leakage current and neutralline current of earth ground system
.
SKU: n/a -
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
There are no reviews yet.