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AVFS-2 | Thermo air flow switch | 24 VDC. | Dwyer Instruments
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Overview
Details for AVFS-2
Precise Airflow Monitoring: Dwyer Instruments AVFS-2 Thermal Air Flow Switch
The Dwyer Instruments AVFS-2 Thermal Air Flow Switch is a highly accurate 24VDC sensor designed to measure airflow velocity and detect the presence or absence of air movement. Its robust design and simple operation make it an ideal tool for various industrial and HVAC applications where precise airflow monitoring is crucial.
Key Features:
- Measures air velocity and airflow presence
- Simple and reliable operation
- 24VDC power supply
- Durable construction for industrial environments
- Compact size for easy installation
- Suitable for duct or pipe mounting
Benefits:
- Accurately monitors airflow to ensure optimal system performance
- Detects airflow faults and prevents potential equipment damage
- Compact design fits seamlessly into confined spaces
- Rugged construction withstands harsh industrial conditions
- Easy installation for quick integration into your system
Applications:
- HVAC systems
- Industrial fans and blowers
- Process control
- Air quality monitoring
- Exhaust systems
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Series AVFS Air Flow Switch
Monitors Flow in Ducts with Contact Output and Local LED Indication
The 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.
Product Applications
- Fan monitoring
- Filter monitoring
- Damper feedback
- Air handlers
- 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
- Series
- AVFS Air Flow Switch
- Category/Type
- Air Quality
- Type
- Air Flow Switches
- Series
- AVFS Air Flow Switch
- Air Velocity Range
- 197-1969 FPM (1-10 m/s).
- Temperature Limits
- 5 to 122°F (-10 to 50°C).
- Humidity Limits
- 0-90% RH.
- Wetted Materials
- PBT body; titanium sensor.
- Pressure Limit
- 14.7 psig (1 bar).
- Housing
- PBT.
- Repeatability
- ±5% FS.
- Switch Type
- N.O. SPST.
- Electrical Rating
- 3 A @ 30 VDC/250 VAC.
- Response Time
- 3-60 seconds. Varies with flow and set point.
- Power Requirement
- AVFS-1: 80 to 250 AC/DC (47 to 63 Hz AC). AVFS-2: 24 VDC ±25%.
- Power Consumption
- 3 VA.
- Electrical Connection
- 6.5' (2 m) cable.
- Enclosure Rating
- IP65.
- Display
- 1 Red LED/1 Green LED.
- Weight
- 7.2 oz (203 g).
- Agency Approvals
- CE.
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