Home > Products > Gas Flow Sensor > XEN-GFL9722 Thick-film Gas Flow Sensor
XEN-GFL9722 Thick-film Gas Flow Sensor
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Product Details
Brand Name: | Xensor | Place of Origin: | Netherlands | Model Number: | XEN-GFL9722 |
Usage: | Other, Gas Flow Sensor |
Product Description
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 Sensor Applications
• Flow detection
• Gas-flow measurements
• Flow control
• Absolute temperature measurement
• Fluid detection
XEN-GFL9722 Gas Flow Sensor Specifications
(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 |
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