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  •  English > Products > Telecom Operation&Testing > Telephone Line Tester > ST230E Telephone Line Tester

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    Information

    Main Functions and Features

    Tone/Pulse dialing mode switch
    Pause
    Redial 
    Mute
    Polarity identify
    Adjust the volume
    Inside rechargeable battery

    Parameters

     

    Index

    GB/T15279-2002

    Ring distance (Km)

    ≤2

    Open resolution (Km)

    ≤2

    Monitoring resistance (MΩ)

    ≥1

    Battery

    Rechargeable 9V NI-MH battery

    Relative humidity

    10%~95%

    Environment noise (dB)

    ≤60

    Atmospheric pressure (Kpa)

    86~106

    Operation Temperature (C)

    -10~55

    Weight (kg)

    0.5

    Dimension (mm)

    232*73*95

     

    Downloads
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