functions:obstacle test, independent ringing, calling user, matching line, monitoring and high-voltage protection.
Based on common telephones, S-100 Telephone Line Checker adds other functions such as obstacle test, independent ringing, calling user, matching line, monitoring and high-voltage protection. It can reduce the workload of the line maintenance personnel. With stable and durable performance, it's an ideal instrument for line maintenace personnel to open and maintain the related business.
1. Resiatance value of insulation test has four grade instructions between zero and 2MΩ
2. Ringing distance: <=1 km
3. Differentiating distance for broken line: <=3 km
4. Dial indicators meet GB/T15279-2002 specifications.
5. Impedence of monitoring condition: >=150KΩ
6. DC protective voltage: 60V-300V
7. Power supply: 9 V common stack-up batteries
8. Dimension (mm): 146×54×37
9. Weight: <=220g
1. Dial, call, ring
2. Obstacle test:
. Call the user and talk back
4. Matching line
5. Monitor and check line
6. Self-check and replacement of low-voltage batter
Battery is not needed when dialing, calling and monitoring, the battery is needed only when testing fault, calling user, and checking lines.
If the warning indicator light <8> is on when testing, it indicates the line path has high voltage, remove the clip at once to ensure safety.
Place the instrument in normal condition (loosen the monitoring key < 8> and talkback key <4> ) when it isn’t used. If no use for a long time, please take out the battery to avoid damaging the instrument.
