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Telephone Line Tester--ST230
This telephone line test set is handset, portable and intelligent, which adopts advanced technologies such as intelligent CPU, IC & SMT technology. The ST230 has many functions like common telephone, caller ID, redial, intercom, line voltage/insulation (including earth)/break, checking wire pairs, monitoring. The ST230 is designed following the human engineering theory with the appearance style like barbell, which can be put on the shoulder. Besides, you can use the test leads and clips with switch-box.
FEATURES:
1. common telepnone(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
|
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 |
Rechargeable 9V NI-MH battery |
|
Relative humidity |
10%~95% |
|
Environment noise (dB) |
≤60 |
|
Atmospheric pressure (Kpa) |
86~106 |
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