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) |