Description
Dwyer ADPS-08-2-N Adjustable Differential Pressure Switch
The Dwyer ADPS-08-2-N is a compact, adjustable differential pressure switch for monitoring low air pressure and flow in HVAC and industrial ventilation systems. Use it to verify filter loading, detect loss of airflow, or prove fan/blower operation in ducts and clean spaces.
Key Features
- Adjustable setpoint range: 0.08 to 0.8 in. w.c. (approximately 20–200 Pa)
- SPDT snap-action output for simple control/alarms
- Works with positive, negative, or differential pressure
- Front dial for quick, repeatable setpoint adjustment
- Compact, lightweight housing with integral mounting tabs
- Ideal for filters, fans/blowers, duct pressure, and airflow proving
Specifications
- Model: ADPS-08-2-N
- Pressure Range: 0.08–0.8 in. w.c. (20–200 Pa)
- Media: Air and non-combustible, compatible gases
- Output: SPDT mechanical switch
- Mounting: Panel or surface mount
Typical Applications
- HVAC filter monitoring and service indication
- Fan/blower status proving
- Duct static pressure monitoring
- Cleanroom and ventilation system control
Compatibility & Notes
- Use with clean, dry air or compatible gases only.
- Install per manufacturer orientation and tubing guidelines for best accuracy.
- Electrical ratings and wiring details are on the device label and in the manufacturer datasheet.
Shipping
- Free Shipping to the contiguous U.S.
- Ships securely with tracking; expedited options available at checkout.
Returns
Returns are accepted within 60 days of the delivery date. Rest assured we will cover all return shipping costs!
All returns must be in "as shipped" original condition to qualify for a refund.
Photos of packing and product are required for damaged items.
Customer returns that satisfy all of the above requirements will be issued a refund including any applicable sales tax.
