ST230 Tel line tester

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ST230 Tel line tester
Posting date : Apr 27, 2013
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84-
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Detailed Description
ST230 Tel Line Tester is a new kind of line fault tester with safety & multi-functions capabilities. Besides the functions as a common Tel Line Tester, it also has functions of both monitor and high & low voltage protection, and so on. Main Functions <1>CID function, FSK/DTMF compatibility <2>Dialing number display, incoming calling number display <3>Checking wire pairs. Key Features <1>DTMF applying to GB/T15279-94 <2>High voltage alarm <3>Low voltage warning, automatic power off and energy-save design <4>Small size, simple operation. Technical Specifications <1>DC V test Range (V) 0-260 Error +/-5% <3>Insulation impedance test Range (MΩ): 0~10 Error: ≤+/-5%+/-0.1 MΩ Range (MΩ): 10~30 Error: ≤+/-10% +/-0.5MΩ. General specifications <1>Ring distance (Km)≤ 2 <2>Open resolution (Km)≤ 2 <3>Monitoring resistance (MΩ)≥1 <4>Temperature (C) -10~55 <5>Weight (kg)0.5 <6>Dimension (mm)232*73*95 <7>Battery Rechargeable 9V NI-MH battery <8>Relative humidity10%~95% <9>Environment noise (dB)≤60 <10>Atmospheric pressure (Kpa)86~106

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