Seaward IRT1557 Insulation Resistance and Continuity Tester


Description


 

Seaward IRT1557 Insulation Resistance and Continuity Tester Details

Electricians, telecoms engineers, power system engineers and electrical contractors can all benefit from using the Seaward IRT1557, a handheld, portable and responsive insulation/continuity tester.

The IRT1557 can measure insulation resistance from 0.001MΩ to 1999MMΩ with selectable test voltages of 250V, 500V and 1000V. General resistance measurements (at a nominal test current of 25μA) can be performed from 0 to 2000Ω. Resistance testing is automatically inhibited if 30V AC or DC is detected at the input, increasing user safety. Voltage can also be tested from 0 to 1000V AC/DC to 400Hz and continuity can be tested with both audible and visual indicators.

The IRT1557 comes as standard with a uniquely designed Seaward safety probe

This product is CAT III 600V and CAT II 1000V rated.

Seaward IRT1557 Insulation Resistance Tester Key Features

  • Measure insulation resistance from 0.001MΩ to 1999MMΩ
  • Selectable test voltages of 250, 500 and 1000V
  • Standard resistance measurements from 0 to 2000Ω
  • Voltage measurements from 0 to 1000V (AC/DC) to 400Hz
  • Continuity testing with audible and visual indicators
  • Automatic test stop when voltage spikes are detected
  • Handheld, portable design
  • Rotary switch for easy switching between tests

What’s Included?

  • Seaward IRT1557 Insulation Resistance Tester
  • 1.5m Black Test Lead
  • 1.5m Red Test Lead
  • Black Crocodile Clip
  • Red Crocodile Clip
  • Carrying Case
  • Operating Manual

Technical Specs

 


 

Part Code: 365A910

Seaward IRT1557 Technical Specifications

Insulation Resistance

Display Range 0.001Mohm – 1999Mohm
Analogue Bar Graph 0.00ohm – infinity
Test Voltage 250v; 500v; 1000v
Nominal Current 1mA minimum per EN 61557
Audible/Visible Warning Inhibited if 30 V AC or DC at inputs

Continuity

Display Range 0.00ohm – 19.99ohm
Open Circuit Test Voltage 4V DC nominal
Test Current 200mA
Audible and Visible Warning Inhibited if 30 V AC or DC at inputs

Resistance

Display Range 0ohm – 2000ohm
Test Current 25uA nominal
 Audible and Visible warning Inhibited if 30 V AC or DC at inputs

Voltage

Display Range OV – 1000V DC/AC to 400Hz
Analog Bar Graph 0 – 1000V
Audible/Visible Warning 30 V AC or DC at inputs

ADDITIONAL INFORMATION

Safety Rating IEC 61010-1, 600V CAT III
Dimension 260mm x 100mm x 55mm
Weight 0.8kg
Compliance EN 61557-1, -2, -4, -10

 

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