ST230F Telephone Line Tester is a portable and intelligent line fault tester, ST230F Tel line tester integrates various kinds of functions such as telephone, line performance test, and safety test.
 
Product 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)
11. Telephone functions（Dialing, Receiving, Redial）
12. Caller telephone number display
13. Telephone number storage and dial function
14. Mute function
15. Tester test (AC V & DC V test, Insulation test, Open line test, Earth insulation)
16. Call user & talk
17. Check wire pairs
 
Product Parameters
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