Description
The Automation Direct DPTA-20-02B is a ProSense differential pressure transmitter designed for precise measurement of low-pressure air and gas applications. It provides a 4–20 mA analog output over a pressure range of -2.0 to +2.0 inches of water column. Engineered for industrial environments, this transmitter supports 12 to 36 VDC operation and flexible DIN rail or panel mounting.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Automation Direct |
| Category |
Sensors and Transmitters |
| Part Number |
DPTA-20-02B |
| Subcategory |
Differential Pressure Transmitters |
| Series |
ProSense DPTA |
| Media Type |
Air and gases |
| Pressure Range |
-2.0 to +2.0 in. H₂O |
| Output Signal |
4–20 mA |
| Operating Voltage |
12–36 VDC |
| Process Connection |
1/4 in. brass barbed |
| Electrical Connection |
Screw terminals |
| Mounting |
35 mm DIN rail or panel |
| Application |
HVAC and airflow monitoring |
| Weight |
0.5 lb |
Information About DPTA-20-02B
The DPTA-20-02B is part of the ProSense DPTA series of differential pressure transmitters intended for monitoring air flow, filter condition, and ventilation systems. It measures bidirectional pressure differences within a low-pressure range suitable for HVAC and cleanroom applications. The unit features a 1/4 inch brass barbed process connection for secure tubing attachment and screw terminal electrical connections for reliable wiring. With a 4–20 mA analog output and wide 12–36 VDC operating voltage, it integrates easily into PLC and building automation systems.
Key Features:
- Low Differential Pressure Range: Measures -2.0 to +2.0 in. water column for air and gas applications.
- 4–20 mA Output Signal: Industry-standard analog output for PLC and control system integration.
- Wide DC Operating Voltage: Functions on 12 to 36 VDC power supplies.
- Brass Barbed Connection: 1/4 in. process connection for secure pneumatic tubing.
- DIN Rail or Panel Mount: Flexible installation options for control enclosures.
- Screw Terminal Wiring: Simplifies electrical connections and maintenance.
- Air and Gas Media Compatibility: Designed specifically for non-corrosive air and gas monitoring.
The DPTA-20-02B delivers the reliability and precision required for differential air pressure monitoring in HVAC and industrial ventilation systems.