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With the latest technology in a small-sized, robust and easy-to-use instrument, this series of earthing resistance tester is mainly used to test the earthing resistance of transformer, lightning-proof system, high-voltage power tower and telecommunication equipments, etc., providing a perfect solution for earthing-resistance test.
- Ambient temperature and humidity for test: 0~40°C, <80%RH (without condensation
- Temperature for battery charging: 10~40 ºC , < 80% RH
- Storage temperature and humidity: -10~50 ºC , < 90% RH (without condensation)
- Temperature & humidity for battery-pack storage: -20~30ºC, < 80% RH (without condensation)
- Altitude for storage: < 12000 m
- Altitude for operation: < 2000 m
- Clamp Diameter: φ51mm
- Display: LCD with backlight; Max. number: 9999
- Overflow indication: > LIMIT
- Underflow indication: “-“
- Frequency for updating display:
For earthing-resistance/leak-current: once per second (once in every four seconds if AVERAGE function is used ) Detection of output voltage: twice per second Interference voltage: 4 time per second Interference frequency: once per second Interference current: once per second
- Terminals:
- 1) Resistance test: 2) USB, charger
- Power supply
1) LR14 alkaline battery × 6; rated voltage: 1.5 V × 6 2) Battery pack: rechargeable nickel – metal hydride batteries; rated voltage: 7.2 V 3) Charger: rated input voltage: 100 ~ 240 V; rated frequency: 50 ~ 60 Hz; output voltage: 12 VDC 3A
- power consumption: 15 VA (using charger) 6 VA (using batteries or rechargeable battery pack)
- powering time: Alkaline battery: about 5 hours; battery pack: about 9 hours (with backlight turned off)
- input voltage: 250 V AC (50~400 Hz)
- rated voltage to earth: 300 Vrms (CAT III)
- Insulation strength: 6880 VAC: 15 seconds
- Overload protection: 250 VAC between terminals: 1 minute
- Dimensions: About 260 (W)×125 (H)×280 (L) mm
- Weight: About 2.5 kg
- Applicable standards:
- Safety: EN61010-1:2001, EN61010-031:2002, Pollution degree 2; Measurement category III 300V; 2. EMC: EMC: EN61000-3-2:2000 IEC61326-1: 1997 A grade
- Testing earthing resistance, soil resistivity, interference voltage/interference/current
- Compensating test-wire resistance
- Data saving function: recording (100 records), deleting a single record, deleting all records, uploading data to PC
- Clock
- AVERAGE function for test data
- ALARM function for input terminals
- Charging battery
- Auto powering-off
- Safety rating: CE(EMC) ETL CAT III 300V RoHS
Feature | ||
Display | Digital/analog dual display; LCD with backlight | 9999 |
Color Display | Auto Power Off | |
Clock | To display date and time | |
To switch input-cursor position when changing date/time | ||
AVG | Indicator for averaged-value measurement | |
RK | Compensation Resistance | |
Limit | Limit Value | |
Alarming indicator for limit-value measurement | ||
Battery capacity indicator | ||
B.LIGHT | Display Backlight | |
Length | Testing length between resistivity testing point | |
Data Storage | 100 groups Measurement Can Be Memorized |
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- Chip*4
- Charger (Optional)
- USB Cable
- User manual
- Test wire*4
- Voltage clamp cable
- Alkaline battery*6
- Voltage Transformer φ51mm
- Current clamp cable
- Rechargeable Ni-MH battery (optional)
- Prob*4