Product Details

Practical 0-500 ohm Clamp Ground Resistance Tester

Brand Name HOTOTECH
Model Number HT3020B
Power Electronic

Product Features

HT3020 Clamp Ground Resistance Tester (Practical) 

 

 

I. Product Introduction

HT3020 Clamp Ground Resistance Tester is a new generation of groundless pile measurement method that our company's technical team meticulously developed. It uses a brand new generation of LCD, black screen backlight display and microprocessor technology to measure the grounding resistance through inductive method. When measuring a grounded system with a loop, it is not necessary to disconnect the ground lead wire, and no need for auxiliary electrodes. It is safe and fast. Widely used in telecommunications, electricity, meteorology, computer rooms, oil fields, power distribution lines, iron tower transmission lines, gas stations, factory grounding networks, lightning rods and so on. The instrument has the test precision, fast, simple , stable , reliable and other features

HT3020 Clamp Ground Resistance Tester is microprocessor controlled and accurately detects ground resistance. It uses a fast filtering technique to minimize interference. At the same time store 500 groups of data, with unique features such as numerical maintenance and intelligent alarm prompts

 

  • Resistance Range:  0-500Ω
  • New black screen design, luxury
  • Quick self-test function without waiting
  • Using fast filtering technology, strong anti-interference ability
  • New design, long life clamp head
  • 500 sets of storage

 

 

II. Technical Specification

Function

Ground resistant test, Loop resistance test

Range

0.01Ω-500Ω

Resolution

0.001Ω

Accuracy

±1%±0.01Ω

Power Supply

DC6V Alkaline Dry Battery (1.5V LR6 X 4)

Measurement Method

Mutual induction

Clamp Diameter

55mmx32mm

Clock Function

Have

Display Mode

4-digit LCD display, black screen design

LCD Dimension

46mm×29mm

Meter Dimension

W/T/H: 85mm×58mmx285mm

Sampling Speed

About 2 times/second

Data Storage

500 Groups, the symbol “MEM” gives indication, “FULL” mark will flash to indicate the memory has been full

Data Review

"MR" symbol indication when reviewing data

Overflow Display

Exceed measurement range overflow function: “OL ” symbol display

Test Method

Clamp CT, Integral Method

Interference Test

Automatic identify interference signal, "NOISE" symbol indication when the interference current is large

Alarm Function

Alarm when the measured value exceeds the alarm setting value

Battery Voltage

Real-time display of battery power, reminding timely charging when battery voltage is low

Automatic shut-down

"APO" instruction, automatic shutdown after 5 minutes boot

Power Consumption

50MA Max

Weight

Instrument: 1180g (with battery)

Working Temperature and Humidity

-10°C~40°C; below 80% rh

Insulation Resistance

20Ω or more (500V between circuit and outside)

Pressure Resistance

AC 3700V/rms(between circuit and outside)

Suitable for Safety Regulations

IEC61010-1(CAT III 300V, CAT IV 150V, Pollution Degree 2); IEC61010-031; IEC61557-1 (grounding resistance)

 

III. Accessories

Meter

1PC

Meter box

1PC

5# battery

4PCS

Calibration ring

1PC

Manual, certificate

1SET

 

company

Practical 0-500 ohm  Clamp Ground Resistance TesterPractical 0-500 ohm  Clamp Ground Resistance Tester 

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