MRU-10 Earth Resistance Meter
3 in stock
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.
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3 in stock
CompareMRU-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.
| Weight | 1 kg |
|---|---|
| Dimensions | 22 × 10 × 6 cm |
Measurement of interference voltage UN (RMS)
| Range | Resolution | Accuracy |
| 0…100 V | 1 V | ±(10% m.v. + 1 digit) |
Measurement of earthing resistance (method 3-pole)
measurement range to IEC 61557-5:2007: 0,53 Ω…9999 Ω (for 50 V)
| Range | Resolution | Accuracy |
| 0,00…19,99 Ω | 0,01 Ω | ±(3% m.v. + 3 digits) |
| 20,0…199,9 Ω | 0,1 Ω | |
| 200…1999 Ω | 1 Ω | ±5% m.v. |
| 2000…9999 Ω | 1 Ω | ±8% m.v. |
- 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 (for networks 50 Hz) or 150 Hz (for 60 Hz),
- selection of measuring frequency in settings.
Measurement of earthing resistance (method 2-pole)
| Range | Resolution | Accuracy |
| 0,01…19,99 Ω | 0,01 Ω | ±(3% m.v. + 3 digits) |
| 20,0…199,9 Ω | 0,1 Ω | |
| 200,0…1999 Ω | 1 Ω | ±5% m.v. |
| 2000…9999 Ω | 1 Ω | ±8% m.v. |
Measurement of earthing resistance (method 2-pole) RH and RS
| Range | Resolution | Accuracy |
| 0…999 Ω | 1 Ω | ±8% m.v. |
| 1,00…9,99 kΩ | 0,01 Ω | |
| 10,0…19,9 kΩ | 0,1 Ω |
Electric security:
- type of insulation: double, according to EN 61010-1 and IEC 61557,
- measurement category: CAT IV 150 V acc. to EN 61010-1,
- protection class acc. to EN 60529: IP67.
Rated operational conditions:
- operation temperature: -10…+50°C,
- storage temperature: -20…+60°C,
- humidity: 20…90%.
Other technical data:
- LCD display: segment, backlit,
- dimensions: 221 x 102 x 62 mm,
- number of measurements (RE3P) carried out of set of batteries: > 3000
Brand
SONEL
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LCR Meter
UT622A Digital Inductance LCR Meter
Specifications UT622A UT622C UT622E Certificates CE, RoHS Test frequency 100Hz, 120Hz, 1kHz, 10kHz 100Hz, 120Hz, 1kHz, 10kHz, 100kHz 100Hz, 120Hz, 1kHz, 10kHz, 100kHz Test signal level 0.1Vrms, 0.3Vrms, 1Vrms Output impedance 100Ω Measurement parameters Primary: L/C/R/Z
Secondary: D/Q/θ/ESRPrimary: L/C/R/Z/DCR Secondary: D/Q/θ/ESR Auto LCR √ Test terminals Three-terminal test jacks, five-terminal test sockets Test rate Fast (20 times/s), medium (5 times/s), or slow (2 times/s) DCR test rate — — Fast (20 times/s), medium (5 times/s), or slow (2 times/s) Ranging mode Auto/hold Tolerance range 1%~20% Testing circuit mode Series/parallel mode Clearing correction Open/short circuit Fuse of test ports 0.1A/250V Communication interface Mini-USB LED alarm for tolerance
(pass: green; fail: red)√ √ √ Display range Maximum reading 99999 Minimum resolution 0.0001 Maximum accuracy 0.001 L 0.00μH~99.999H C 0.00pF~99.999mF Z/R 0.0000Ω~9.9999MΩ ESR 0.0000Ω~999.99Ω D 0.0000~9.9999 Q 0.0000~99999 θ -179.9°~179.9° DCR — — 0.01mΩ–20.000MΩ Temperature coefficient 0.1× (specified accuracy) /°C (0°C~18°C or 28°C~40°C) General Characteristics Power 3.7V 1800mAh lithium polymer battery; Input: 220V (1±10%), 50Hz (1±5%); Mini-USB output: 5V, 1A Display 2.8′ TFT LCD 320X240 Product net weight 420g Product size 93mm x 192mm x 44mm Standard accessories Short circuit board (UTR-001), USB cable, 5V 1A power adapter, Four-terminal Kelvin testleads (UTR-L100k-H) (UT622C/E), Alligator clip test leads with rubber plugs (UTR-002)(UT622A), English manual SKU: n/a -
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