IRT 1557

Insulation resistance and continuity tester.
The engineer’s ideal companion

Handheld
Lightweight
Long battery life

Large backlit LCD
Continuous test mode

Overview Specification

IRT 1557 Insulation Resistance & Continuity Tester

The IRT 1557 is a small, lightweight insulation resistance and continuity tester.

Hand-held, it’s a superb addition to any test engineer’s toolkit. Seaward’s unique integrated safety probe puts the LCD and test probe in the user’s 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.

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IRT 1557 Insulation Resistance & Continuity Tester

Technical Specification

TESTS

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