Description
The Dwyer 1910-20 is a precision compact low differential pressure switch from the trusted Dwyer Series 1900, engineered to deliver dependable automatic pressure control and monitoring in HVAC, refrigeration, air handling, and industrial systems. Its robust SPDT switch output and practical pressure range make it a versatile choice for a wide range of pressure-based control tasks.
Key Features
- Designed for differential pressure sensing from 4.0 to 20.0 inches water column (W.C.), ideal for moderate low-pressure system monitoring.
- Single-pole double-throw (SPDT) switch output offers flexible control, alarm, or interlock signaling for automation systems.
- Standard 1/8″ female NPT pressure ports allow easy connection to pressure tubing or lines.
- Internal set point adjustment screw provides simple calibration while minimizing tampering.
- 15 A electrical rating at up to 480 VAC supports common control loads and applications.
- Durable construction with repeatability ±3 % and approvals including UL, CE, CSA, and FM means consistent performance in commercial and industrial environments.
