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      1.  English > Products > Telecom Operation&Testing > Telephone Line Tester > ST230E Telephone Line Tester

        InformationParametersDownloads
        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
        龙8官方网站手机版_app下载
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