This series of any a transmitter enclosure must be reliable grounding resistance should be less than 4 Ω
Use of communication protocols for system configuration, the transmitter must be equipped with safety barrier and isolator
According to the security gate flame-proof certification, its installation should according to the requirements of the specification
When the transmitter is used to "0", as security grid power supply of the power transformer shall meet the requirements of article 8.1 GB3836.4-2000