ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
General specification
Function: Ground resistance, Soil resistivity, DC resistance, Ground voltage, AC current
Ambient temperature and humidity: 23℃±5℃, below 75%rh
Interference voltage: <20V (should be avoided)
Interference current: <2A (should be avoided)
Electrode space when measuring R: a>5d
Electrode space when measuring ρ: a>20h
Power supply: DC 6V 4.5Ah lead-acid battery lasts more than 100 hours standby
Backlight: Controllable backlight, suitable for use in dim places
measurement mode: Precise four-wire, three-wire measurement, simple two-wire measurement, selective method, double clamp method for measuring grounding resistance
Measurement methods:
- 2, 3, 4-wire method measurement: change-pole method, measuring current 20mA Max
- Soil resistivity: four-pole method
- Selective method measurement: change-pole method, measuring current 20mA Max
- Double clamp method: non-contact mutual inductance measurement method, test current 1mA Max
- DC resistance: change-pole method
- AC current: average rectification (clamp)
- Ground Voltage: Average Rectification(between S-ES interface)
Test voltage waveform: Sine wave
Test frequency: 128Hz
Short circuit test current: AC 20mA max
Open circuit test voltage: AC 28V max
Electrode space range: 1m～100m
Display mode: 4-bit large LCD display, with backlight
Measurement instructions: LED flashing indicator during measurement
LCD size: 111mm×68mm
LCD display field: 108mm×65mm
Instrument size: L*W*H: 277.2mm×227.5mm×153mm
Clamp size: L*W*H: 101mm×27mm×214mm
Test lead: 4 strips: red 15m, black 15m, yellow 10m, green 10m
Simple test lead: 2 strips: yellow 1.5m, green 1.5m
Auxiliary grounding rod: 4PCS: φ10mm×200mm
Current clamp: 2PCS: φ4 mm Banana plug
Current clamp diameter: φ50mm
Current clamp lead: Length 2m
Measure time:
- AC current: about 2 times/sec;
- Ground voltage: about 2 times/sec;
- grounding resistance, soil resistivity: about 7 seconds/time
Line voltage: Measurement below AC100V (ground voltage measurement function cannot be used to measure commercial power)
USB interface: With USB interface, storage data can be uploaded to the computer, save and print
Communication Line: One USB communication line, 1.5m long
Data hold: "HOLD" Symbol indicates
Data storage: 500 groups, "MEM" storage indicates, flashing "FULL" symbol indicates that the memory is full
Data review: Data review function: "MR" symbol display
Overflow display: Over-range overflow function: "OL" symbol display
Current clamp low current indication: When measuring by the selective method or the double-clamp method, when the current signal received by the current clamp A is lower than 0.5 mA, the symbol is displayed, and at this time, the clamping direction of the current clamp A should be checked.
Interference test: Automatic identification of interference signals, "NOISE" symbol indication when the interference voltage is higher than 5V
Auxiliary grounding test: With auxiliary ground resistance test function, 0.00KΩ ~ 30kΩ (Rh max = 3kΩ +100R <50kΩ; Rs max = 3kΩ +100R <50kΩ)
Alarm function: Alarm when the measured value exceeds the alarm setting value
Battery voltage: Real-time display of battery power, reminding timely charging when battery voltage is low
Automatic Shutdown: “APO” Indicates, automatic shutdown after 15 minutes
Power consumption:
- Standby: 40mA Max(Backlight off)
- Turn on backlight: 43mA Max
- Measuring: 120mA Max(Backlight off)
Weight:
- Instrument: 2450g(including battery)
- Current clamp: 940g(2PCS)
- Test leads: 1300g(including simple test lead)
- Auxiliary grounding rod: 850g(4PCS)
Working temperature and humidity: -10℃～40℃; below 80%rh
Storage temperature and humidity: -20℃～60℃; below 70%rh
Overload protection: Grounding resistance measurement: AC 280V/3 seconds between H-E and S-ES ports
Insulation resistance: More than 20MΩ(500V between circuit and housing)
Withstand voltage: AC 3700V/rms(between circuit and housing)
Electromagnetic properties: IEC61326(EMC)
Suitable for safety regulations:
-IEC61010-1(CAT Ⅲ 300V, CAT IV 150V, pollution level 2);
- IEC61010-031;
- IEC61557-1(grounding resistance);
- IEC61557-5(soil resistivity);
- JJG 366-2004;
- JJG 366-2004(ground resistance meter);
- JJG 1054-2009(Clamp grounding resistance meter);
Accessories
Instrument x1PC
Instrument bag x1PC
Auxiliary grounding rod x4PCS
Current clamp x2PCS
Monitoring software CD x1PC
USB communication cable x1PC
Test lead x4PCS
Simple test lead x2PCS
6V Battery (built-in) x1PC
Charger x1PC
Manual, certificate x1SET
