ground/earth resistance tester/meter made in China

item

(old)

(new)

appearance

Boot time

Self-test to be six seconds, boot time is likely to cause long boot error.

Self-test just 0.5 seconds, the boot instantaneously.

Measurement range

0.01-1000Ω

0.01-1200Ω, Wider range

Storing data

30

99

Buzzer alarm

no

yes

Interference identification

no

Buzzer and NOISE symbol flashes, strong anti-jamming capability.

232 Interface

no

yes

Power consumption

The maximum 100mA

Maximum 50mA, battery life longer.

appearance

Machine-shaped bulky, rough appearance, operation laborious.

The appearance of fine appearance, the structure is more solid, comfortable operation.

Battery Cover

No fastening screws, likely to cause cell loss occurred accidents.

Fastening screws, safe, reliable, easy battery replacement.

Function

Ground resistance test, Loop resistance test

Power Supply

6VDC 4 PCS of AA Alkaline batteries

Resistance Range

0.01-1200Ω

Resistance Resolution

0.001Ω

Highest Resistance Accuracy

±1%±0.01Ω

Data memory

99 Sets

Alarm Threshold Setting Range

Resistance: 1-199Ω

Alarm Sound and Light

“Beep-beep-beep” alarm tone, Alarm Symbol Flashing, Press AL key to turn on, turn off Alarm or set Alarm Threshold.

Interference Signal Recognition

“Beep-beep-beep” tone, NOISE symbol blinking

Working Temperature and Humidity

-20℃-55℃;20%RH-90%RH

LCD Screen

4 Digits LCD display, Screen L×W: 47mm×28.5mm

Clamp Size

65mm×32mm

Clamp Opening Extent

32mm

Tester Weight

1160g (With batteries)

Clamp Dimension

L×W×T: 285mm×85mm×56mm

Protection Level

Dual Insulation

Structural Feature

Clamp CT

Shifting

Automatic shifting

External magnetic field

<40A/m

External electrical field

<1V/m

Single measurement time

0.5 second

Resistance measurement frequency

>1KHz

Measured current frequency

50/60Hz Automatic measurement

Low Battery Indication

Low battery symbol displays when battery is lower then 5.3V

Memory Full Indication

MEM symbol blinks when all 99 sets memory is full

Over Range Indication

Out of range indication “OLΩ”, “L0.01” or “OL A”

Auto Power-off

5 minutes after Boot up

Power Consumption

Max 50mA either in booting up or normally working, Continuously working for 30 hours

RS232 Interface (Optional)

The data stored in the meter are uploaded to the computer through RS232 interface and data wire, Then generate report files

Safety Provisions

IEC1010-1, IEC1010-2-032, Pollution level 2, CAT Ⅲ(600V)

Accessories

Meter: 1 piece, Test ring: 1 Piece, Meter Suitcase: 1 Piece