China Shenzhen Yawei industrial gases company Ando transmitter (0755-25887166 Xiaohua 08). The transmitter is installed in a combustible gas or toxic gas leak site, and to all on-site environment for long-term continuous gas detection, is a safe and explosion-proof meter, the transmitter can display the scene to measure gas concentrations value, and the standard 4-20mA output signal with the DCS system for docking, while the output switching signal can directly open the linkage devices, mainly used in petroleum, chemical industry, storage, gas stations and other industrial production site. 
 Technical parameters: 
 Detection Principle: contact combustion 
 Detection of gas: natural gas, liquefied petroleum gas, gas, alkanes, alcohols, ketones, benzene, gasoline, etc. Ⅱ C grade T6 group combustible gas. 
 Range: 0100% LEL. Accuracy: ± 5% FS 
 Response time: less than 30 seconds. Recovery time: less than 30 seconds. Explosion-proof way: flameproof. 
 Explosion-proof mark: d Ⅱ CT6. Explosion-proof connecting thread: G 3 / 4 pipe thread. 
 Operating voltage: DC24V ± 12V. Operating Current: less than 200mA. 
 Signal output: 4 20mA standard current output, Sec alarm relay contact output (contact capacity DC24V/1A) 
 Operating temperature: - 40 ℃ + 70 ℃. Relative Humidity: 20% 95% RH. 
 Maximum transmission distance: 5500 m (2.5mm2 copper cable). 
 If necessary, please call to obtain information and product pricing: 
 Website: China Alarm Network http://www.guowei.com 
 Unit: China Industrial Co., Ltd. Shenzhen Yawei 
 Address: Pine Road, Luohu District, Shenzhen City, 88 Parkview Tower 19C 
 Contact: Deng Jingli 
 Tel Fax :0755 -25,887,232 -25,887,166