This Telephone Line Testeris a portable and intelligent line fault tester which is designed following human engineering theory with the appearance style like barbell, adopting advanced technologies such as intelligent CPU, IC & SMT technology. It integrates various kinds of functions such as telepho
ST-2300 Telephone Line Tester
This Telephone Line Testeris a portable and intelligent line fault tester which is designed following human engineering theory with the appearance style like barbell, adopting advanced technologies such as intelligent CPU, IC & SMT technology. It integrates various kinds of functions such as telephone and line performance test to be the one. Inner chargeable NI-MH battery can works about one week after full charging; the shell is made of the new type of material and it is solid.
Main Functions
*Telephone functions
- Dialing, Receiving, Redial
- Incoming call number display
- Mute function
- P/T transfer function
- High DC voltage indication
*Tester test
- AC V & DC V test
- Insulation test
- Open test
- Earth insulation
*Call user & talk
*Phone test
*Check wire pairs
*Monitor function
*High AC voltage alarm
*Under voltage self-checking
Technical Specifications
DC V test | |
Range (V) |
0-260 |
Error |
+/-5% |
Insulation impedance test | |
Range (MΩ): 0~10 Range (MΩ): 10~30 |
Error: ≤±5%±0.1 MΩ Error: ≤±10% ±0.5MΩ |
General specifications | |
Ring distance (Km) |
≤ 1 |
Open resolution (Km) |
≤ 2 |
Monitoring resistance (MΩ) |
≥1 |
Temperature (C) |
-10~55 |
Weight (kg) |
0.5 |
Dimension (mm) |
232x73x95 |
Battery |
Rechargeable 9V NI-MH battery |
Relative humidity |
10%~95% |
Environment noise (dB) |
≤60 |
Atmospheric pressure (Kpa) |
86~106 |