Function

Online monitoring ground resistance and ground voltage, equipotential bonding resistance and low electrical resistance

Power supply

Standard: 12V ±1VDC, 150mA Max. Optional: 24V ± 1VDC

Measurement mode

Third-line measuring precision, simple two-wire measurement

Methods of measurement

Ground resistance: rated current pole method, measuring current is 3mA Max, 820Hz;

Voltage: average value Rectifier

Data mode

Average

Display mode

4King size LCD Display

Measuring instructions

Measuring LCD countdown indicates that

LCD Dimensions

128mm ×75mm; Display field: 124mmx67mm

Meter size

High thickness: 190mmx117mmx54mm

Measuring time

Voltage to ground: approximately 2 times per second; Ground resistance: about 30 seconds/second

Measurement frequency

5000More than once (10 ω measurement, measuring 1, stop for 30 seconds then again)

Line voltage

Measure the voltage to ground: measurement of AC 600V

Instrument interfaces

Pluggable terminal blocks: 9-pin terminal block

Means of communication

RS485(Or optional RS232)

Communication line

USB RS485 communication lines (or optional USB to RS232 communication line)

Shift

Automatic transmission

Data storage

400Group, flashes 'FULL ' Symbol indicates that storage is full

Interval time

Automatic monitoring interval setting range: ~ 999 hour

Data access

Data access functions 'READ ' Symbol appears

Overflow display

Overrange overflow feature: 'OL ' Symbol appears

Power consumption

Backlight: 20mA Max

Standby: 25mA Max

Measurements: 70mA Max

Alarm

Sound and light alarm

Power supply voltage

When the supply voltage is less than 7.8V, low power supply voltage symbol appears, reminds a replacement power supply.

Quality

Tester: 450g

Working temperature and humidity

-10℃~ 40 ℃; 80%RH the following

Storage temperature and humidity

-20℃~ 60 ℃; 70%RH the following

Overload protection

When testing the grounding resistance of grounding: E-P , E-C Each port AC 280V/3 seconds

Insulation resistance

10MΩ or more (500V between circuits and shell)

Pressure resistance

AC 3700V/rms(Between circuits and housing)

Electromagnetic properties

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

For safety

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