Thermal Mass Flow Sensor - FA04

  • Thermal Mass Flow Sensor
  • Thermal Mass Flow Sensor
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​• Detection of flow direction
• Excellent long-term stability
• Simple signal processing
• Simple calibration
• Outstanding sensitivity
• Excellent reproducibility
• No moving mechanical parts

  • Model Number: FA04
  • Data Sheet: Date Sheet File
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Product Specification

Benefits & Characteristics 

• Detection of flow direction
• Excellent long-term stability
• Simple signal processing
• Simple calibration
• Outstanding sensitivity
• Excellent reproducibility
• No moving mechanical parts

 

Technical Data

Dimensions ( L × W × H )

5.05 mm × 3.55 mm × 0.20 mm

Operating measuring range

0 m/s to 1 m/s (half bridge mode)

0 ml/min to 50 ml/min (half bridge mode), tube ID about 1 mm

0 m/s to 100 m/s (CTA mode)

0 l/min to 5 l/min (CTA mode), tube ID about 1 mm

Minimum operating range

0 ml/min to 2.5 ml/min

Response sensitivity

0.001 m/s (50 μl/min)

Accuracy

< 2 % of the measured value (dependent on the electronics and calibration)

Response time t63

< 0.5 s

Operating temperature range

-20 to +150

Temperature sensitivity

< 0.1 %/K (dependent on the electronics)

Heater

RH (25) = 34 Ω ±10 %

Measuring element

RSL (25) = 425 Ω ±10 %

RSR (25) = 425 Ω ±10 %

Reference element

Ramb (25) = 710 Ω ±10 %

Voltage range (nominal)

2 V to 5 V (dependent on flow rate)

Connection

Cu-wire, enameled, Ø 0.2 mm

 

Illustration

 

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