Model NO.
Gas-G(GP)-range
Type
Infrared Gas Sensor
Conductivity Type
Infrared
Output Signal Type
Analog Type
Production Process
Integration
Material
Stainless Steel
IP Rating
IP20
Sensitivity
High
Certification
Other
Customized
Customized
Output
RS485/4-20mA/0.4-2V
Precision
5%Fs
After Sale Service
Yes
Customize
Yes
Trademark
FAD
Transport Package
Factory Sealed
Specification
65mm*35mm*20mm
Origin
China
HS Code
8542330000
G series infrared SF6 gas sensors uses non-dispersive infrared (NDIR) detection technology, with advantages of long life, low cost, intelligence, micro etc. Sensor is easy to use, with a complete gas detection, serial communication function, widely used in ventilation systems, industrial control, environmental monitoring and other industries.
SF6 Infrared Gas Sensor Features
| Detecting gas | SF6 |
| Operating voltage | 12-24VDC |
| Operating current | Average 80mA (10-120mA ) |
| Output | RS485 Net 4-20mA Current 0.4-2V Voltage |
| Response time T90 | < 30s |
| 15s(500ml/min) | |
| Recover time | 25 |
| Measuring flow rate | 300-500 ml/min(pump) |
| Repeatability | ≤±2% FS |
| Linearity error | ≤±1% FS |
| Zero point temperature drift | ≤±0.1% FS/°C |
| Span temperature drift | ≤±0.1% FS/°C |
| Temperature | -20°C -50°C |
| Humidity | 0-95%RH |
| Lifetime | 10 years |
| Dimension | 65mm*35mm*20mm |
Selection
| Gas | G-40 | GP-40 | Range | Precision | Resolution | Power Supply | Output |
| SF6 | SF6/G-40-1000P | SF6/GP-40-1000P | 0-1000 ppm | ±3%FS | 1 ppm | 12-24VDC | RS485/4-20mA/0.4-2V |
| SF6/G-40-2000P | SF6/GP-40-2000P | 0-2000 ppm | ±3%FS | 1 ppm | 12-24VDC | RS485/4-20mA/0.4-2V | |
| SF6/G-40-3000P | SF6/GP-40-3000P | 0-3000 ppm | ±3%FS | 1 ppm | 12-24VDC | RS485/4-20mA/0.4-2V |
O2 Oxygen Gas Sensor Features
All characteristics are based on conditions at 25ºC, 50% RH and 1013 hPa.
| Measurement Range | 0 to 100 Vol.% |
| Expected Operating Life | ~ 1,000,000 Vol.% h |
| Sensor Lifetime | < 6 years @ ambient air, depending on application |
| Electrical Connector | 3mm mono jack |
| Initial Output Signal | 13.0 to 16.5 mV @ dry ambient air |
| Response Time t90 | < 12 s |
| Drift | < 1 % Vol. O2/month@ air, averaged across 12 months |
| Operating Temperature | 10 to 40 °C |
| Pressure Range | 700 to 1250 hPa |
| Linearity Error | ≤3@100 % O2, applied for 5 min |
| Zero Offset Voltage | ≤0.3 Vol O2@100% N2 applied for 5 min |
| Repeatability | ± 1 % Vol. O2 @ 100 Vol % O2 applied for 5 min |
| Influence of Humidity | - 0.03 % rel. O2 reading per % RH |
| Recommended Load Resistor | ≥ 10 kOhm |
| Temperature Compensation | NTC |
| Interferences | according to DIN EN ISO 80601-2-55 |
| Weight | approximately 26 g |
| Material in Contact with Media | PA, PPS, PTFE, stainless steel |
Application
Online monitoring
Site construction protection
SF6 leak alarm in electric power environment





















