Dwyer Instruments 1910-10 Compact Low Differential Pressure Switch 3-11.75 WC Range

The Dwyer Instruments 1910-10 is a compact, low differential pressure switch designed for HVAC systems, clean rooms, filter monitoring, and process control applications. This rugged switch provides reliable monitoring of air and compatible gas pressures with a setpoint range of 3.0 to 11.75 inches water column (WC).

Key Features:

• Differential pressure range: 3.0 to 11.75 inches WC
• Compact design for easy installation in tight spaces
• Single pole, double throw (SPDT) switching for versatile control options
• Setpoint adjustment screw for precise calibration
• Conduit connection for secure electrical wiring
• Durable construction suitable for industrial environments
• Ideal for filter monitoring, fan status verification, and static pressure control

The Series 1900 switch features a simple diaphragm-actuated design that provides accurate and repeatable switching action. The visible setpoint scale allows for easy field adjustment, while the conduit connection ensures safe and code-compliant electrical installations. This pressure switch is commonly used to monitor air filters, verify fan operation, and control dampers in HVAC and building automation systems.