Seaward IRT 1557 Insulation and Continuity Tester

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The Seaward IRT1557 can perform all of the insulation and continuity tests you require for 17th edition testing or Part P testing.

rrp £389.00

now £249.00 (Ex. VAT) £298.80 (Inc. VAT)

rrp £389.00

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"An Engineer's perfect companion"

  • Description

    Seaward IRT 1557 Insulation Resistance and Continuity Tester

    The Seaward IRT 1557 Insulation Resistance and Continuity Tester is a lightweight, hand-held 17th Edition tester which is a superb addition to any test engineer's toolkit. It performs measurements that comply to BS 7671 17th Edition Wiring Regulations and Part P standards. 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. The IRT 1557 insulation and continuity tester offers a number of other unique testing features, including voltage measurements up to 1000AC or DC and a dual safety rating all of which can be adjusted with an easy to use rotary switch. The IRT 1557 will also ;automatically discharge capactive circuits and will give automatic warning of the presence of hazardous voltages. In an incredibly robust casing the Seaward IRT 1557 provides all the tests you need with a safe feel.

    Seaward IRT 1557 Insulation and Continuity Tester Key Features:

    • Hand-held, lightweight and highly mobile
    • Unique integrated safety probe
    • Continuous test mode
    • Large backlit LCD screen
    • Long battery life
    • Complies with EN61557, IEC61010-1 CATIII/600V
  • Specification

    Insulation Resistance

    • Display range: 0.001MΩ - 1999MΩ
    • Analogue bar graph: 0Ω - Infinity
    • Test voltage: 250V, 500V, 1000V
    • Nominal current: 1mA minmum per EN61557
    • Audible/Visual warning: Inhibited if 30V AC or DC at inputs


    • Display range: 0.00Ω - 19.99Ω
    • Open circuit test voltage: 4V DC nominal
    • Test current: 200mA


    • Display range: 0Ω - 2000Ω
    • Test current: 25uA nominal


    • Display range: 0V - 1000V DC/AC to 40Hz
    • Analog bar graph: 0 - 1000V
    • Audible/Visual warning: Inhibited if 30V AC or DC at inputs
    • Safety rating: IEC61010-1, 600V CAT III, 1000V CAT II
    • Compliance: EN61557-1, -2, -4, -10
    • Dimensions: 260 x 100 x 55mm
    • Weight: 800g
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  • Delivery Information

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    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text so you will not have to wait around all day. We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink on a fully traceable and manageable service.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only.

    Customers outside the UK: exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail with your name, address and the items you would like to order for an accurate shipping quote.