详细说明
Product Name: Ethylene C2H4 Gas Sensor Detector Toxic Petrochemical Agricultural Industrial Process Electrochemical Compact Model NO.: C2H4/C-range Customized: Customized Certification: RoHS Sensitivity: High IP Rating: IP20 Material: Plastic Production Process: Integration Output Signal Type: Digital Type Conductivity Type: Volume Control Type Type: Electrochemical Gas Sensor Output: TTL/4-20mA/RS485 Transmitter Board: Integrated/Seperated Wire: Two or Three Wire Detecting Range: Selectable After Sale Service: Yes Trademark: FAD Transport Package: Transparent Plastic Box Specification: 32mm Origin: China HS Code: 8542330000 Product Description Gas Module IntroductionFAD gas module with two/three wire TTL/0-20mA/RS485 output, integrates toxic gas sensor + transmitter board. Adopting imported advanced electrochemical gas sensors, it has features of high accuracy, long lifetime, high stability and high anti-interference. The module is designed to prevent circuit reversed connection, high voltage, high current and lightningGas Module Feature- Long lifetime imported advanced electrochemical sensors- High accuracy op ams, power supply IC, stable and sensitive - Detect low or high concentration toxic gases precisely- High anti-interference ability- Over range protection, reversed polarity protection and lightning protection- Low power consumption with a standard 4-20mA two/three-wire signal output- Interface: pump, diffusing, flange, flange thread types- 12-36VDC operating voltageSensor Detecting Range SelectionDetecting range (ppm)Output Signal (nA/ppm)FeaturesC2H4/C-10400.00 ± 120.00 highly sensitive C2H4/C-20012.00 ± 4.00 C2H4/C-1500100.00 ± 30.00 Sensor Performance Characteristics(take C2H4/C-10 as an example)Nominal Range0 - 10 ppmMaximum Overload20 ppmExpected Operation Life2 years in air Output Signal400 ± 120 nA/ppmResolution0.1 ppmTemperature Range- 20 °C to 50 °CPressure RangeAtmospheric±10%Pressure CoefficientNo dataT80 Response Time< 60 secRelative Humidity Range15 % to 90 % R.H. non-condensingTypical baseline Range (pure air, 20°C)-0.3 ppm to 0.1 ppmMaximum Zero Shift (+20°C to +40°C)N.D.Long Term Output Drift< 5% signal loss/month Recommended Load Resistor10 OhmBias VoltageNot requiredRepeatability< 2 % of signalOutput LinearityLinear Sensor Physical CharacteristicsWeight~ 13 gPosition SensitivityNoneStorage LifeSix months in containerRecommended Storage Temperature5 °C - 20 °CWarranty Period12 months from date of dispatchModule ParametersModule typeGM-I2(3)-M/C/S-**-****/G/P/F/FLDetected gasToxic gas Detecting principleElectrochemistrySamplingDiffusing pump flange threadResponding time30s~40s(of the sensor)Module accuracy≤±3%FS(actual concentration, higher accuracy depends on specified sensors)Module repeatability≤±2% FSModule linear error≤±2% FSModule zero temperature drift≤±2% (FS/year)Module operating temperature-40~80°CModule humidity0-95%RH(non-condensation)Sensor operating temperature-20°C~50°CSensor humidity0-90%RH(non-condensation)Signal outputTTL/4-20mA /RS485 (two or three wire)Transmitting distance1000 meters(RS485)Operating voltageDC 12-36VMaximum power≤0.8WSize80*48mmExplosion proofIntrinsic safeConnection cableRVVP3 x 1.5mm²Module applicationsPetroleum, petrochemical, metallurgy, chemical, electricity, telecom, gas, mining, pharmacy, municipal wastewater treatment, indoor environment, atmospheric environmental protection, transit equipment, transportation facilities, tunnel safety and underground parking, leak detection, safety and environmental control
