HomeEnvironmentalPower Analysers › Seaward IRT 1557 Insulation Resistance and Continuity Tester


Seaward IRT 1557 Insulation Resistance and Continuity Tester


The IRT 1557 is a small, lightweight insulation resistance and continuity tester. Hand-held, itís a superb addition to any test engineerís toolkit.

It performs measurements according to BS 7671 16th/17th Edition Wiring Regulations and Part P. Seawardís unique integrated safety probe puts the LCD and test probe in the userís line of sight whilst making measurements, no other tester does this. IRT 1557 is fully compliant with EN 61557 and IEC 61010-1 600v CAT lll. Automatic discharge of capactive circuits, it gives you automatic warning of the presence of hazardous voltages.

It comes with an easy to use rotary setting switch. The IRT 1557 offers voltage measurements up to 1000 AC or DC. With incredible robustness the IRT 1557 provides all the tests you need with a safe feel.

Key Features

  Handheld
  Lightweight
  Long battery life
  Large backlit LCD
  17th Edition compliant
  Continuous test mode


Data Sheet

Ideal Users

  Electricians
  Telecomms engineers
  Power system engineers
  Electrical contractors

Ordering Information


365A910 IRT 1557 - Insulation Resistance and Continuity Tester
44B090 IRT1557 Test Lead - IR Test Lead for use with IR800
44B075 IRT1557 Fused Test Leads - Fused test leads, 1.5m Red & Black with crocodile clips



Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon
keison VoIPon Solutions 4Gon