• Product Description


    The PowerTest 1557 is a multi function installation tester with integral probe, allowing the instrument to be held and the results to be read at the same time.

    The PowerTest 1557 is also very fast, performing earth loop, line loop, PFC and PSC tests with one press of a button in under 5 seconds. It's lightweight, handheld and battery powered.

    What's included:
    -Seaward PowerTest 1557
    -Durable Carry Case
    -6 x AA batteries
    -Test Lead Set
    -Shrouded Safety Plugs
    -Shrouded Safety Test Probes
    -Red Cordless Shrouded Safety Test Probe.


    Loop Test in 5 seconds
    Auto RCD test
    Reading at eye level
    4 measurements from 1 test
    Long battery life

    Item Specification

    Earth Continuity
    Test currentIn >200mA 
    Display Range0.00ohms - 199ohms
    Resolution0.01ohms max
    Test LeadCompensation: 0.00ohms - 10.00ohms
    Live Circuit DetectionTest inhibit if > 30V detected
    Insulation Resistance
    Test Voltage100V,250V,500V
    Display Range0.05Mohms - 199Mohms
    Resolution0.01Mohms maximum
    Live Circuit Detection Testinhibit if > 30V detected
    Loop/Line Impedance
    Supply Voltage195 - 253V/440V, 45Hz - 65Hz
    Test Current15mA (non tripping for RCD protected circuits)
    Display Range0.01ohms - 2000ohms
    Resolution0.01ohms maximum
    Loop ImpedancePhase to Earth
    Line ImpedancePhase to Neutral/Phase to Phase
    PFC/PSC Range0 - 26kA
    RCD Trip Time
    Supply Voltage195 - 253V, 45 - 65Hz
    Test Currents10, 30, 100, 300, 500mA
    Trip Time Ranges0ms - 2000ms at ½IDn / 0ms - 300ms at IDn genera

    Additional Details

    Type Multifunctional Testers