Country：China>Shaanxi>Xian
Room No.1,3rd Floor,Xi'an Railway Engineering Building ,No.205 Jinhua North Road.
Company：Xi'an HuaFan Instrument Co.,Ltd
Mobile：15702972370
Tell：13227730321
More products, please pay attention to the official website: www.huafansmart.com Digital tube and liquid crystal display gas detection transmitter, it is a kind of concentration of instrument that can continuous detect the concentration of oxygen, toxic and harmful gas in the working environment. The detector detects gas concentration with natural diffusion mode, which uses the imported sensors and has a goodsensitivity and repeatability. This instrument uses the embedded microcontroller control technology, simplemenu operation , complete functions and high reliability Our product uses process control ,adjustable parameter, adjustablealarm point and adjustable alarm mode, convenient for users. It can be used alone as an alarm system with functions like: acquisition, display and alarm . Or it can be used as the other parts of the alarm system testing, with digital and analog signal output function. With a relay output module, our product can relay switch output signal and meet the explosion-proof lights or other external devices. Digital tube display with red high brightness and more intuitive scene show make it convenient to users to determine gas leak and effectively prevent the happening of the accident. Basic parameters: Size： 144 mm * 190 mm * 91 mm Weight: about 1355 g Sensor types: electrochemistry method (Combustible gas catalytic combustion type, special separately) Destination gas: oxygen (O2), gas (EX), poisonous and harmful gases (CO, H2S, NH3, CL2, etc.) Response time:oxygen30s or less oxygen; Carbon monoxide 40sorless;Combustible gas or less 20 s;(other) Working pattern: continuous work Working voltage: DC24V output signal: 4-20 ma;485 digital signal Output: three-wire system (LCD poison gas is a two wire) Control signal:Switch output, the maximum load 250 v AC 3 A(optional) Repeatability: less than 2% Span drift: less than 5% Error: value for relative error less than 5% Temperature range: - 20 ℃ to 50 ℃ Humidity: 15% ~ ....
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