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XEN-GFL9722 Thick-Film Gas Flow Sensor

Post Date:

2018/12/03 17:21:26

Expired Date:

2019/03/03 23:59:59

Trade Leads Category:

Flow Sensors

Company Info

Shenzhen Week Technology Ltd.
Contact Person: Yan Zhang
Address: 16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1St Rd, Hi-Tech Park, Nanshan
State/Province: GUANGDONG
Country/Region: China (mainland)
Zip/Post Code: 518067


XEN-GFL9722 Gas Flow Sensor Description
The Gas Flow Sensor XEN-GFL9722 is a ceramic based thermal sensor. It consists of two thick-film heating resistors and a thick-film temperature sensor. Both temperature sensor and heating resistors are laser trimmed which provides a true sensor-to-sensor interchangeability. The sensitive parts of the sensor are coated with a black polymer, which protects them from harsh environments like aggressive solvents, corrosive gasses and aggressive vapors.

When the XEN-GFL9722 is heated by the heating resistors, a gas flow passing the sensor will cool it. Because of this the output resistance will change. External temperature effects can be compensated using a second, not-heated, sensor connected in a Wheatstone bridge configuration.

XEN-GFL9722 Gas Flow Sensor Features
• Solid State reliability
• Low cost, small size
• Long-term stability (parts of a percent)
• Interchangeability (0.5%)
• Protective polymer coating
• Custom designs on request
XEN-GFL9722 Gas Flow SensoApplications
• Flow detection
• Gas-flow measurements
• Flow control
• Absolute temperature measurement
• Fluid detection


XEN-GFL9722 Gas Flow SensorSpecifications
(in air, ambient temperature 20°C, 1 Atm.)

Parameter typ units notes
Dimensions 7.5 x 7.5 mm  
Operating temperature -40 to + 70 °C  
Storage temperature -50 to + 170 °C  
Heating resistor 50 ± 1 Ω  
Typical heating voltage 7 V  
Max. heating voltage 9 V  
Temperature sensor 2000 ± 10 Ω  
Stability < 0.5 %  
Sensitivity 5.5 ± 0.5 / °C  
TCR 2750 ppm/ °C  
Time constant 3 sec. depending on flow and mounting