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Clamp On Earth Resistance Tester ST-CERT

276A Clamp Earth Ground Tester based on the rogowski coil principle can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need of auxiliary electrodes.

It can measure resistance from 0.01Ω with a resolution of 0.001Ω. These clamps double insulation design makes them durable tools for outdoor work and effective in blocking interference signals from the environment.

Specifications
Product Specification

Model

Range

276A

Auto Range

 

Display Count

 

4 Digits LCD Display

Jaw Size

 

32mm





Earth Ground Resistance (Ω)

0.01~0.099Ω

± (1%+0.01)

0.1~0.99Ω

± (1%+0.01)

1~49.9Ω

± (1%+0.1)

50~99.5Ω

± (2%+0.5)

100~199Ω

± (3%+1)

200~395Ω

± (6%+5)

400~590Ω

± (10%+10

600~800Ω

± (20%+20)

600~1000Ω

-

800~1200Ω

±(25%+30)




Leakage Current (A)

0mA~9mA

-

10mA~99mA

-

100mA~299mA

-

0mA~299mA

-

0.3A~2.99A

-

3A~9.9A

-

10A~20A

-

3A~30A

-

Resistance Measurement Frequency

>1kHz

Single Measurement Time

1 Second

Current Limit Alarm

1mA~499mA

Current Measurement Frequency

50Hz/60Hz

Auto Power Off

-

-

RS-232

-

-

Visual and Audible Alarm

-

Jamming Signal Recognition

-

Over-Range Display

-

Data Storage

-

99 Data Sets

Category Safety Ratings

CAT III 300V

General Characteristics

Power

1.5V Battery (LR6) x 4

Display

47mm x 28.5mm

Product Net Weight

1160g

Product Size

285mm x 85mm x 56mm

Standard Accessories

Batteries, Test Ring, Toolbox

Features
Features
  • Resistance limit alarm
  • Auto range
  • Low battery indication
 
 
Product Info Downloads
Product Info Downloads

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