www.gastron.com06_073. Specifications3.1. Basic Specifications3.2. Mechanical SpecificationsITEMS SPECIFICATIONMeasuring Type Diffusion typeMeasuring Value Display Local Digital LCD or OLED DisplayMeasuring Method Non-Dispersive Infrared(NDIR)Detectible GasCombustible GasCarbon dioxide (CO2)Carbon monoxide(CO)Measuring Range Combustible: 0~9,999ppm / 0~100% LEL /0~100% VOLCO₂: 1.0% ~ 100% VOLCO: 5% ~ 100% VOLAccuracy ≤ ±3% / Full RangeZero Drift ≤2% / Full RangeResponse Time 90% of full scale in less than 10 secApprovals ClassificationKCs: Ex d llC T6,T4, IP65ATEX/IECEX: II 2 G Ex d IIC Gb T4,T6SIL2, MED, ABS, DNVBasic Interface Analog 4-20mA current interfaceHART Interface HART REV7(Option)OptionHART BoardMODBUS RS485 BoardGTL-100 warning lightRain CoverWarranty Body (Transmitter) 2YearSensor 1YearITEMS SPECIFICATIONExplosion Proof type Pressure-resistant, explosion-proof enclosureDimension 156(W) × 322(H) × 110(D) mmWeight including Sensor App. 3kgMounting type Wall mountMounting Holes Ø 7 ±0.1Cable inlet 3/4" PF ( 1/2"or 3/4" NPT )Body material Body (Transmitter) aluminum alloySensor Stainless Steel (STS316)