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273 Clamp Earth Ground Tester

273 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

273

Auto Range

 

Display Count

 

10000

Jaw Size

 

28mm





Earth Ground Resistance (Ω)

0.01~0.099Ω

± (1%+0.01)

0.1~0.99Ω

± (1%+0.01)

1~49.9Ω

± (1.5%+0.1)

50~99.5Ω

± (2%+0.5)

100~199Ω

± (3%+1)

200~395Ω

± (10%+5)

400~590Ω

± (20%+10)

600~800Ω

-

600~1000Ω

±(25%to20%)

800~1200Ω

-




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

-

30 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

1320g

Product Size

293mm x 90mm x 66mm

Standard Accessories

Batteries, Test Ring, Toolbox

Features
Features
  • Resistance limit alarm
  • Auto range
  • Low battery indication
  • Data hold
  • Data recall
  • LCD backlight
  • Auto calibration
 
 
Product Info Downloads
Product Info Downloads

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