Gas alarm gas detector and gas alarm controller with what cable and service life

Gas alarms and gas detectors are sensors of a kind, the general output for the switching and electrical signals, there are no special requirements for the cable. According to the national standard requirements can be. Generally low-cost words using RVV cable. You can also use RVVP and RVVSP.

Gas alarm controller generally refers to the host. Because there is no specific model can not help you determine the type of signal line. General bus host using the basic 485 signal. The use of RVVSP cable. There are also special hosts can not use shielded twisted pair cable, that is, using RVV cable.

Detectors generally 3 to 5 years to be replaced. The host is generally replaced in about 5 years.