Thermal Mass Flow Sensor - FS7

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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
Data Sheet:

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Product Specification

Further advantages of the FS7 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 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 Ø 6.0 (±0.1) mm, LH = 14 (±0.2) mm (complete dimensions in application note)
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 +150℃
Temperature sensitivity	< 0.1 %/K (dependent on the electronics)
Connection*	3 pins, AWG 30/7, stranded wire, insulated with PTFE
Heater*	R_H (0℃) = 45 Ω ±1 %
Reference element*	R_s (0℃) = 1200 Ω ±1 %
Voltage range (nominal)*	2 V to 5 V (at ∆ T = 30 K (0 m/s ≤V_gas ≤ 100 m/s)
Maximum heater voltage*	3 V (at 0 m/s)
Alternative construction*	Moulded plastic housing