Huazheng HZJD-3002 Earth Resistance Tester (30.00kΩ) | EMIN.CO.ID

Huazheng HZJD-3002 Earth Resistance Tester (30.00kΩ)

Name: Huazheng HZJD-3002 Earth Resistance Tester (30.00kΩ)
Brand: Huazheng

ManufacturerHuazheng (View more products from this manufacturer)

ModelHZJD-3002

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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)

Measure R electrode spacing: a＞5d

Measured ρ electrode spacing: a＞20h

Power: DC 6V 4.5Ah lead-acid battery lasts more than 100 hours standby

Backlight: Controllable backlight, suitable for use in dim places

Measurementmode: Precise four-wire, three-wire measurement, simple two-wire measurement, Selection method, double clamp method for measuringgrounding resistance

Measurement methods:

2.3.4-wire method measurement: Polarization method, measuringcurrent 20mA Max

Soil resistivity: four-pole method

Selectivity Measurement: Polarization Method, Measuring Current 20mA Max

Double clamp method: non-contact mutual inductance measurement method, test current 1mA Max

DC resistance: polarization 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 spacing 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/T/H：101mm×27mm×214mm

Test line: 4 strips：red 15m，black 15m, yellow 10m，green 10meach one

Simple test line 2 strips：yellow 1.5m，green 1.5m each one

Auxiliary Grounding rod: 4 PCS：φ10mm×200mm

Current clamp: 2 PCS：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 functioncannot 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 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 selection method or the double-clampmethod, when the current signal received by the current clampAislower 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(Rhmax = 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 whenbattery 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： 2430g(including battery)

Current clamp：940g(2 PCS)