The structure features and main technical specifications of passage indicator are similar with the receiver. It is mainly applied in segmental pointed monitor of running pig. When the pig passing monitor spot, the passage indicator can immediately send out a precious alarm signal and remember it so that the hunting scope is significantly shortened when jams happen.
- Continuous working time: 72h;
- Corresponding speed: 20m/s;
- Receiving radius: 10m;
Effective detect depth: 6-8m