Description Overview GAOTek hf leak gas detector has a high performance intelligent infrared gas detection alarm which was developed by, high performance, supply couples of types of gas detection. Low power microprocessor to ensure product performance and stability, realtime monitoring of the concentration of infrared gas. Applicated in petroleum chemical industry, metallurgy, mining, fire, gas, environmental protection, electric power, communication, papermaking, printing and dyeing, food reserves, city water supply, sewage treatment, food, brewing, research, education, national defense and other places. Technical Specifications Measured gas Combustible gas/Toxic gas/Oxygen/VOC Sensor Type Catalytic combustion/electro-chemical/PID Sampling way Diffusion, Pump pipeline Detection range 0 ppm to 2000 ppm or customized Accuracy 0.01 PPM or 0.1 PPM or 1 PPM Response time T 90 ≤ 30 S (most) Display LCD, time concentration, light emitting diode, buzzer alarm Operating temperature -40 °F to –94 °F (-40 °C to -70 °C) Pressure range 860 hpa to 1060 hpa Operating current 20 mA to 200 mA Span drift ≤± 5 % FS/6 h Power consumption ≤ 2.0 W Input power 12 VDC to 24 VDC Alarm error ≤ ± 10 % alarm set value Work humidity 0% to 95% RH (no coagulation) Preheating time 1 Min Signal output 4 mA to 20 mA, RS 485 Equipment service life 10 years (in the air) Sensor life See date of sensor Capacity 0.5 A/125 VAC or 1 A/30 VDC Repeat ≤ ± 2 % FS Zero drift ≤ ± 2 % FS/ 6 h Transmission distance 4 mA to 20 mA ≤ 100 m, RS 485 ≤ 1000 m Cable ≥ RVVP9 x 0.3 mm2 Material Cast aluminum/316 stainless steel Dimension 7.6772 in x 7.0079 in x 3.5433 in (195 mm x 178 mm x 90 mm (Max)) Net Weight 2.6 lb (1.2 kg)
