The Dwyer Series AT-DHC is the successor to the well-known AT2DH3 differential pressure controller. This new generation combines measurement, switching and signal output in one compact instrument. With ATEX and IECEx certification, the AT-DHC is suitable for use in hazardous areas.
Main features:
- 3-in-1 instrument: differential pressure gauge, switch and transmitter
- ATEX and IECEx approved (for Zone 1 and 2)
- Accuracy up to ±0.5% of full scale
- Two adjustable SPDT relays
- Analog output (4–20 mA or 0–10 V)
- Optional Modbus RTU or BACnet MS/TP communication
- Rugged aluminum housing with IP66 protection
- Easy configuration via the built-in display menu
Improvements compared to the AT2DH3:
- Extended certification (now also IECEx)
- More configurable output options
- Faster response time
- Improved user interface and menu structure
