Telephone Line Tester

Brief Introduction

St230f Telephone Line Tester is one portable and intelligent line fault tester, which adopts advanced technologies such as intelligent cpu, ic & surface mounted technology (smt) technology. It integrates various kinds of functions such as telephone, line performance test and safety test to be the one.

Main functions and key features

1. Telephone line fault checking
2. Monitor, isdn/adsl identification
3. Hand free function(two speak ways, loudspeaker)
4. Calling number displaying
5. One Key override lockout function Data lockout override function
6. Tone/pulse transfer function
7. High dc voltage indication
8. High ac voltage alarm
9. Low voltage self-checking, automatic power off and energy-save design
10. Memory key(10 groups of 18 digits)
10. Telephone functions（Dialing, Receiving, Redial）
11. Caller telephone number display
12. Telephone number storage and dial function
13. Mute function
14. Tester test (ac v & dc v test, Insulation test, Open line test, Earth insulation)
15. Call user & talk
16. Check wire pairs

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) ≤ 2
Open resolution (Km) ≤ 2
Monitoring resistance (mω) ≥1
Temperature (c) -10~55
Weight (kg) 0.5
Dimension (mm) 232x73x95
Battery 11.1v, 620mAH Li-ion chargeable battery
Relative humidity 10%~95%
Environment noise (dB) ≤60
Atmospheric pressure (Kpa) 86~106