ST230 Telephone Line Tester

ST230 Telephone Line Tester is 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

Features:

1. common telephone (dial, talk, hook)
2. store phone number
3. caller ID
4. Tone/pulse dialing
5. Mute function
6. High AC voltage warning
7. DC voltage disply
8. Insulation value display
9. Earth insulation value display
10. Line break display
11. Check wire pairs
12. High resistance monitoring
13. High AC/DC voltage test
14. Low voltage warning
15. LCD display in English
16. Handset operation

Key specifications:

1. DTMF applying to GB/T15279-94
2. Caller ID compatible with FSK/DTMF
3. High AC voltage alert

Technical Specifications

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