Acetylene (C2H2) Gas Detector - The Acetylene (C2H2) Gas Detector is suitable for detecting gas concentrations and leaks in various environments, including special environments. It offers online detection and on-site visual and audio alarms, serving as a warning for operational safety in hazardous areas. The instrument employs imported electrochemical sensors and microcontroller technology, featuring stable signals, high precision, and good repeatability. Its explosion-proof wiring method is suitable for various hazardous locations and is compatible with various control systems such as PLCs and DCSs. It can simultaneously achieve on-site alarms and remote monitoring, alarm functions, 4-20mA standard signal output, and relay switch quantity output. Acetylene (C2H2) Gas Concentration Detection Parameters: Operating Voltage DC5V±1%/DC24±1%; Baud Rate 9600; Measured Gas Acetylene (C2H2) Gas; Detection Principle Electrochemical; Sampling Precision ±2%F.S; Response Time <30S; Repeatability ±1%F.S; Operating Humidity 10-95%RH, (No Condensation); Operating Temperature -30°C to 50°C; Long-Term Drift ≤±1%（F.S/Year); Storage Temperature -40°C to 70°C; Preheating Time 30S; Operating Current ≤50mA; Operating Pressure 86kPa-106kPa; Installation Method 7-Pin Plug-and-Play; Warranty 1 Year; Output Interface 7 pIN; Shell Material Aluminum Alloy; Service Life 2 Years; Dimensions (Excluding Leads) 33.5X31 21.5X31; Measurement Range See Selection Table; Output Signal TTL (Standard) 0.4-2.0VDC (Normal) / 4-20mA; Digital Signal Format Data Bits: 8; Stop Bits: 1; Parity Bit: None. Product Features of Acetylene (C2H2) Gas Detector: Imported electrochemical sensors with good anti-interference performance, service life of 8 years. Advanced microprocessing technology with fast response speed, high measurement accuracy, good stability, and repeatability. On-site detection with on-site visual and audio alarm function, immediate alarm for gas concentration exceeding the standard, ensuring safety in hazardous areas. 4 On-site backlit large-screen LCD display, intuitively displaying gas concentration, type, unit, operating status, etc. 5 Independent gas chamber, no need for on-site calibration when replacing sensors, automatic recognition of key sensor parameters. 6 Full-range temperature digital automatic tracking compensation to ensure measurement accuracy. Technical Parameters of Acetylene (C2H2) Gas Detector: Detected Gas Acetylene (C2H2) Gas in Air; Detection Range 0~50ppm, 0~500ppm, 0~1000ppm selectable; Resolution 0.01ppm (0~50ppm); 0.1ppm (0~500ppm); 1ppm (0~10000ppm and above); Operating Mode Fixed Continuous Operation, Diffusion, Pipeline, Flow-through, Pump-Driven selectable; Detection Error ≦1%（F.S); Response Time ≦10S; Output Signal Current Signal Output 4-20MA; Alarm Method 2-way Passive Node Signal Output, Alarm Point Settable; Operating Environment -20°C to 50°C (Special Requirement: -40°C to +70°C); Relative Humidity ≦90%RH; Operating Voltage DC12~30V; Sensor Life 3 Years; Explosion-Proof Type Transmitter and Sensor are All Intrinsically Safe; Explosion Proof Grade Exd II CT6; Cable Connection Three-core Cable (Single Wire Diameter ≧1.5mm); Recommended to Use Shielded Cable; Cable Length ≦1000 m; Protection Grade IP65; Dimensions 183X143X107 mm; Weight 1.5 Kg. Detected Gas Acetylene (C2H2) Gas in Air; Detection Range 0~50ppm, 0~1000ppm; Resolution 0.01ppm (0~50ppm); 0.1ppm (0~1000ppm); Display Method Liquid Crystal Display; Temperature and Humidity: Optional accessories, temperature detection range -40°C to 120°C, detection method diffusion, flow-through, pump-driven selectable; Installation Method Wall-mounted, Pipeline; Measurement Accuracy ≤±3%; Linear Error ≤±1%; Response Time ≤20 seconds (T90); Zero Point Drift ≤±1%（F.S/Year); Recovery Time ≤20 seconds; Repeatability ≤±1%; Signal Output ① 4-20mA Signal: Standard 16-bit precision 4-20mA output chip, transmission distance 1Km; ② RS485 Signal: Using standard MODBUS RTU protocol, transmission distance 2Km; ③ Voltage Signal: 0-5V, 0-10V output, can be set freely; ④ Pulse Signal: Also known as frequency signal, frequency range adjustable (optional); ⑤ Switching Signal: Standard 2 sets of relays, optional third set of relay, relay passive contact, capacity 220VAC 3A/24VDC 3A; Transmission Method ① Cable Transmission: 3-core, 4-core cable line, long-distance transmission (1-2 kilometers); ② GPRS Transmission: Can be built-in GPRS module, real-time remote transmission of data,不受distance limitation (optional); Receiving Equipment User Computer, Control Alarm, PLC, DCS, etc.; Alarm Method On-site Visual and Audio Alarm, External Alarm, Remote Controller Alarm, Computer Data Collection Software Alarm, etc.; Alarm Setting Standard configuration with two-level alarm, optional three-level alarm; Alarm methods can be set: conventional high and low alarms, zone control alarms; Electrical Interface 3/4″NPT Internal Thread, 1/2″NPT Internal Thread, supporting two types of electrical connection methods; Brief Introduction of the Detector: Acetylene (C2H2) Gas Alarm●Automatic temperature compensation, zero point, full range drift compensation●Automatic protection function against high concentration gas impact●Full software calibration function, users can also calibrate themselves using 3 buttons, simple operation●Two-wire 4-20mA output; Application Sites Tobacco Companies, Environmental Monitoring, School Research, Building Construction, Fire Alarm, Sewage Treatment, Industrial Gas Process Control, Petroleum and Petrochemical, Smelting Plant, Iron and Steel Plant, Coal Mine, Thermal Power Plant, Boiler Room, Garbage Disposal Plant, Tunnel Construction, Oil Pipeline, Gas Station, Underground Gas Pipeline Maintenance, Indoor Air Quality Detection, Safety Protection Equipment Monitoring in Hazardous Areas, etc. Detection Sensors... etc.