永利国际注册(中国)有限公司

FYF20A

321×183×180

1.6

Fireproof conductive engineering plastics

Ex ia I Ma

KA--Non-explosive metallic and non-metallic minerals

MA--Coal mining industry

GB3836.1-2010 Explosive Atmospheres- Part 1: Equipment- General Requirements  

GB3836.4-2010 Explosive Atmospheres-Part 4: Equipment Protection by Intrinsic Safety "i";

MT209-1990 General technical requirements for electrical and electronic products used for communication, detection and control in the coal mine;

MT210-1990 Basic testing method for electrical and electronic products used for communication, detection and control in the coal mine;

≥20m

Shoulder straps, waist straps, chargers, antennas（External）

Frequency management, sound-light alarm, LCD data feedback, intelligent identification card, tri-axial sensing, video feedback, etc.