Weber Sensors 3204.51 Vent-Captor Air Flow Switch with Stainless Steel Housing, 110 VAC, Two Meter Oilflex Cable, Switching Range from 1 to 10 m/sec
- Part #:3204.51
- Model #:Vent-Captor
- Condition:Brand New

The vent-captor type is an air flow monitor which is used where air and other gases in industrial processes need to be monitored. The compact, electronic sensor works according to the calorimetric measuring principle and without mechanically moving parts. It detects the flow velocity of the medium and converts it into an electrical signal.
Features:
- small compact unit
- stainless steel design
- adjustable switching point
- temperature independent
- robust construction (fully resin encapsulated)
- ISO 9001:2015
- Specification Sheet
- Manuals/Tutorials
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| Medium | gaseous |
| Sensor data | |
| Switching range | 0-10 m/s, continuously adjustable |
| Factory setting | < 4 m/s |
| Medium temperature | -20 °C to +70 °C |
| Ambient temperature | -20 °C to +70 °C |
| Pressure | max .10 bar |
| Switching delay | min. 3 sec. / max. 100 sec. depends on set-point adjustment |
| Temperature drift | < 0.5 % per Kelvin |
| Repeatability | < 3% |
| Hysteresis | < 30% |
| Mechanical data | |
| Protection class | IP 64 |
| Material sensor probe | Ceramic |
| Material housing | Ultradur (PBTP), stainless steel (AISI 303) |
| Mounting accessories | union nut G 1" A, SW 37 mm (AISI 303) |
| Electrical connection | 2 m oilflex cable / 3 x 0,5 mm2 |
| Electrical data | |
| Electrical output without flow: | currentless, Thyristor, Normally Open, |
| Operating voltage | 110VAC +6% / -15% |
| Switching current | 5 - 200 mA |
| Starting override time | max. 90 sec. |
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