Тестер съпротивление на заземяване 3кΩ

Ground resistance range

0.01Ω～3000Ω    Accuracy±1.5%rdg±3dgt

Ground Resistance Resolution

0.01Ω

Ground voltage range

0～600V AC        Accuracy±1.5%rdg±3dgt

Ground voltage resolution

0.01V

Baseline conditions

23℃±5℃, below 75%rh (auxiliary grounding resistance 100Ω±5%, voltage to ground <10V)

Features

Earth resistance measurement, ground voltage measurement, low value resistance

measurement

Power supply

1.5V (LR14) alkaline batteries 6

Backlight

Controllable gray and white screen backlight, suitable for use in dark places

Measurement method

Precision three-wire measurement, simple two-wire measurement

Measurement methods

Grounding resistance: rated current pole changing method, 128Hz;

Voltage to ground: average value rectification

Test current

＞20mA (sine wave)

Wire resistance check

Avoid errors caused by the test wire not fully inserted into the instrument interface or

poor contact or the user replacing the extended test wire, etc., so that the grounding

resistance measurement is more accurate.

Display mode

4-digit large LCD display, gray and white screen backlight

Measurement instructions

LED flashing indication during measurement, LCD countdown display

LCD size

108mm×65mm

Meter size

240mm (L)×188mm (W)×85mm (H)

Test lead length

3 pieces: 15m for red, 10m for yellow, 1 piece for each of 5m green

Simple test lead

2: Yellow 1.5m, 1 green 1.5m each

Auxiliary ground rod

2 roots

Measure time

Voltage to ground: about 3 times/second; grounding resistance: about 5 seconds/time

Line voltage

Measuring voltage to ground: measurement below AC 600V

Data storage

500 groups, flashing "FULL" symbol indicates that the storage is full

Data access

Data access function: "MR" symbol display

Overflow display

Overrange overflow function: "OL" symbol display

Alarm function

When the measured value exceeds the alarm setting value, an alarm prompt will be issued

Battery voltage

The battery voltage is insufficient, and the low battery symbol "      " is displayed.

Automatic shut-down

The meter shuts down after about 15 minutes of inactivity

Power consumption

Standby: 40mA Max (backlight off)

Turn on the backlight: 43mA Max

Measurement: 120mA Max (backlight off)

Quality

Meter: 1230g (including battery)

Test line: 610g (including simple test line)

Auxiliary ground rod: 360g (2 pieces)

Gauge bag: 271g

Working temperature and humidity

-10℃～40℃; below 80%rh

Storage temperature and humidity

-20℃～60℃; below 70%rh

Overload protection

Grounding resistance: AC 280V/3 seconds between E-H and E-S ports

Insulation resistance

10MΩ or more (500V between circuit and case)

Pressure resistance

AC 3700V/rms (between circuit and case)

Electromagnetic properties

IEC61010-4-3, radio frequency electromagnetic field≤1V/m

Suitable for safety regulations

IEC61010-1, IEC1010-2-31, IEC61557-1, 5, IEC60529 (IP54), pollution, etc. 2, CAT Ⅲ 300V