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Series AVFS Air Flow Switch
Brand: Dwyer Instruments, LLCThe Series AVFS Adjustable Air Flow Switch is specifically designed to monitor air flow in ducts and provides a 3 A contact output to indicate a change or loss of flow.
The AVFS provides a ±5% set-point repeatability across a full scale range of 1-10 m/s (197-1969 fpm) and includes a mounting bracket for quick duct mounting.
Features- Integral Red/Green Air Flow Status LED's
- Flush sensor design limits issues due to dust or particulate in the air flow
- IP65 Construction
Specifications
Approvals & Certifications
- CE
Consumption
- 3 VA
Display
- 1 Green LED
- 1 Red LED
Electrical Connectors
- 6.5 feet Cable
Electrical Rating
- 3 A at 30 Vdc / 250 Vac
Enclosure, Body Material
- PBT
Environmental Protection
- IP65
Flow Rate
- 197 to 1969 fpm (1 to 10 m/sec) - Air Velocity
Humidity
- 0 to 90 % Relative Humidity
Power Requirement
- 24 Vdc ± 25 %
- 80-250 AC/DC
Repeatability
- ± 5 % of Full Scale
Response Time
- 30 to 60 seconds
Sensor / Probe Material
- Titanium - Wetted Materials
Supply Pressure
- psig: 14.7 (kPa: 100, bar: 1)
Switch Type
- SPST Normally Open
Temperature Range
- -10° to 50° C (14° to 122° F)
- Fan Monitoring
- Filter Monitoring
- Damper Feedback
- Air Handlers