Dwyer 3003 Photohelic® Pressure Gauge 0-3" Water W/Power Switch

Combination pressure gauge and switch for monitoring and controlling low air/gas pressures, typically used in HVAC systems, filters, and process control. Model Number: 3003 Series: Photohelic® Pressure Range: 0–3 inches of water column (in. w.c.) Switch Type: Dual SPDT (single pole double throw) relay outputs Switch Rating: 10 A resistive @ 120/240 VAC, 3 A @ 480 VAC Display Type: Analog dial with mechanical pointer Power Supply: 120 VAC, 50/60 Hz Operating Media: Air and non-combustible, compatible gases Mounting: Surface or flush panel mounting Process Connections: 1/8" female NPT (rear ports) Accuracy: ±2% full scale Housing Material: Die-cast aluminum with polycarbonate front Application: Filter monitoring, clean room pressure, air handler controls Function: Continuously monitors differential pressure and activates control circuits when setpoints are reached Manufacturer: Dwyer Instruments, USA Please review pictures carefully and let us know if you have any questions!