Thermal Mass Flow Sensor

Product Attribute:

Applicationt: 

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Production Description:

Further advantages of the FS7.4W thermal mass flow sensor include:

•  Easy adaptation in various applications and housings
•  Excellent long-term stability
•  Simple signal processing
•  Simple calibration
•  Stable platinum technology
•  Excellent reproducibility
•  Customer-specific sensor available upon request

The IST AG FS7.4W flow sensors are optimal for measuring gas flow in various flow applications.
 
Illustration¹⁾
 
 
Technical Sensor Data:

Dimensions (L x W x H / H2 in mm)*	6.9 x 2.4 x 0.20 / 0.60
Operating measuring range	0 m/s to 100 m/s
Response sensitivity	0.01 m/s
Accuracy	< 3 % of the measured value (dependent on the electronics and calibration)
Response time t63	~200 ms (jump from 0 to 10000 sccm)
Operating temperature range*	-20 to +400
Temperature sensitivity	< 0.1 %/K (dependent on the electronics)
Connection*	3 pins, Pt/Ni-wire, ø 0.2 mm, 15 mm
Heater*	RH (0) = 45 ±1 %
Reference element*	Rs (0) = 1200 ±1 %
Voltage range (nominal)*	2 V to 5 V (at  T = 30 K (0 m/s  vgas  100 m/s)
Maximum heater voltage*	3 V (at 0 m/s)

 
*customer specific versions on request