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Seaward Powercheck 1557 PAT/Installation Tester Checker

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  • Checks all 17th Edition Installation and PAT Testers.
  • Tests to BS7671, EN61577 and Code of Practice guidelines.
  • Supplied in a rugged housing that can survive all working environments.

rrp £511.00

now £395.00 (Ex. VAT) £474.00 (Inc. VAT)

rrp £511.00


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"The ONLY comprehensive PAT & Installation verification system."

  • Description

    Seaward Powercheck 1557

    The PowerCheck 1557 is the only comprehensive PAT and Installation instrument verification system which is compatible with all manufacturers electrical Installation and PAT testers . This checkbox is housed in a rugged, drop-proof enclosure.

    Seaward Powercheck 1557 Key Features:

    • PAT and Installation Tester verification checkbox
    • Rugged, robust and drop proof
    • Tests to BS7671 / EN 61577 / IEE Code of Practice
    • Confirm test meter performance
    • NICEIC & IET compliant
    • Colour coded for ease of use
    • Compatible with all electrical Installation and PAT testers

    The Seaward Powercheck 1557 tests to BS 7671, BS EN 61557, IET Onsite Guide and IEE Code of Practice. This unit has full instrument verification against all relevant standards and confirms performance between verifications (this is information required by NICEIC, ELECSA, Corgi and others).

    The Seaward PowerCheck 1557 tests for Full Earth Continuity, Insulation Resistance, RCD Trip Time, RCD Trip Current, Loop, PE Conductor Current, Touch Current and Flash test verification.

  • Specification

    Installation Test Instruments

    Earth Continuity Verification

    • Test current In >200mA indication
    • Test voltage 4V < Un > 24V indication
    • Test resistances 0.5ohm and 2ohm

    Insulation Resistance Verification

    • Open circuit test voltage: 250V < Un < 375V indication
    • 500V < Un < 750V indication
    • 1000V < Un < 1500 indication
    • Test current In >1mA into 1000ohm/V
    • Max test current Ik <2mA
    • Test resistances 0.25Mohm, 0.5Mohm, 1.0Mohm

    Earth Loop Verification

    • Test values Loop, Loop+1ohm, Loop+180ohm

    RCD Verification

    • Trip current 10mA, 30mA, 100mA
    • Trip Times 20ms, 40ms, 500ms
    • Test current multiplier 1/2rn, Irn and 5 Irn verification

    Voltage Verification

    • Test Voltage 240V AC rms test output

    PAT Functions

    Earth continuity verification

    • Test resistances 0.2ohm and 2ohm

    Insulation Resistance verification

    • Test resistances 500kohm, 1Mohm and 2Mohm

    PE Conductor current

    • Test currents* 0.1mA, 0.25mA and 0.5mA

    Flash Test current

    • Test currents* 0.5mA, 1mA and 1.5mA


    • Power supply: 230V AC ±10%
    • Dimensions / Weight : 210mm x 145mm x 85mm / 1kg
    • *actual values are dependent upon mains supply voltage. Tabulated values for mains voltages of 210V to 250V are supplied with the instrument.
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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 and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    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 (this might exclude certain areas in the north of Scotland).

    Customers outside the UK:

    Test-Meter.co.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 admin@test-meter.co.uk with your name, address and the items you would like to order for an accurate shipping quote or go to http://www.test-meter.co.uk/test-equipment-export for more information.

    For more information on delivery, please see our terms and conditions.