Thermal Mass Flow Sensor - FS7.4W

  • Thermal Mass Flow Sensor
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• ​Easy adaptation in various applications and housings
• ​Excellent long-term stability
• ​Simple signal processing
• ​Simple calibration
• ​Stable platinum technology

  • Model Number: FS7.4W
  • Data Sheet: Date Sheet File
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Product Specification

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*

-20to +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 Ω ±1 %

Reference element*

Rs (0) = 1200 Ω ±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

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