BESANTEK BST-ET18 Clamp-On Earth Resistance Tester (30A)

Model NO: BST-ET18

UPC Number: 752830838864

BESANTEK Clamp-On Earth Resistance Tester is designed to measure the integrated value of ground resistance and resistance lead.

● Major technical breakthrough on ground resistance test, non-contact, safe and fast.
● Loop resistance measurement, no need to disconnect the ground wire from rods.
● RS232 interface for data uploading.
● It is fast, effcient and easy to use, saving you valuable time and effort.
● Reliable & stable.
● Alarm sound and light.
● Interference signal recognition.
● Accessories: Instruction manual, test ring, suitcase, CD software, RS232 data cable and batteries.


Resistance Range


Resistance Resolution

±1% ±0.01Ω

Resistance Highest Accuracy


AC Current Leakage Range


AC Current Leakage Resolution

±2.5% ±1mA

Current Highest Accuracy


Resistance Measurement Frequency

50 Hz / 60 Hz

Measured Current Frequency


Alarm Threshold Setting Range


Internal Consumption

5 minutes after boot up

Auto Power- off

99 sets

Data Memory

-10°C~55°C, 10%RH~90%RH 

Operating Temperature & Relative Humidity

-20°C~60°C, below 70%RH

Storage Temperature & Humidity

4 Digits LCD display, 
screen size: 47mm x 28.5mm

LCD Screen

65mm x 32mm

Clamp Size

 1.5V AA alkaline battery x 4

Power Source

 285 x 90 x 66 mm (11 x 4 x 3 inches)


1160g (battery included)


BESANTEK BST-ET18 Clamp-On Earth Resistance Tester (30A)

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