Seaward Bracken Hill, South West Industrial Estate, Peterlee, SR8 2SW Tel: +44 (0) 191 5863511 Web: www.seaward.co.uk Email: [email protected] Fax: +44 (0) 191 5860227 IRT 1557 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. It performs measurements according to BS 7671 16th/17th Edition Wiring Regulations and Part P. 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. Insulation Resistance and Continuity tester. The Engineer’s ideal companion. Key Features Handheld Lightweight Long battery life Large backlit LCD 17th Edition compliant Continuous test mode Ideal Users Electricians Telecomms engineers Power system engineers Electrical contractors

Web: www.cropico.com Email: [email protected] WORLD LEADERs IN SAFETY TEST AND MEASUREMENT G R O U P SEAWARD PRECISION INSTRUMENTS CROPICO MEDICAL RIGEL INDUSTRIAL SAFETY INSTRUMENTS CLARE PORTABLE ELECTRICAL SAFETY INSTRUMENTS SEAWARD Seaward test and measurement companies include: IRT 1557 SPECIFICATIONS TESTS Insulation Resistance Display Range 0.001Mohm - 1999Mohm Analogue Bar Graph 0ohm - 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...