2 in stock
Possible measurements:
₨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 |
Electric security:
Rated operational conditions:
Other technical data:
Features of UT725 Multifunction Process Calibrator
Certifications: CE, UKCA
● Step/ramp functions
features:
1. Auto power off
2. Buzzer
3. LED indication
4. IP 67
5. AC voltagedetection
6. High/Lowvoltage mode
7. Vibration mode
Applications:
Low voltage mode: Low-voltage motor (<90V), audio systems, arc welding machines,underground mining lighting, cables with thick insulation layer and other weakelectromagnetic AC signals.
High voltage mode: Urban electric supply and three-phase systems (90~1000V). Forexample, power distribution units, electrical panels, electrical appliances.
It allows to take the measurements of:
Additionally:
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.
It allows to:
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