
Dwyer Instruments 1910-1 Pressure Switch
The Dwyer 1910-1 is a precision-engineered low differential pressure switch designed for monitoring air and non-combustible gases in demanding HVAC and industrial automation environments. This series 1900 set-point controller features an adjustable range of 0.40" to 1.6" w.c., making it ideal for clogged filter detection and fan proving applications. The unit utilizes a Single Pole Double Throw (SPDT) switch, allowing for versatile wiring configurations in normally open or normally closed circuits. With an approximate deadband of 0.15" to 0.16" w.c. and a continuous pressure limit of 45" w.c., the Dwyer 1910-1 ensures reliable performance without frequent cycling in high-velocity duct systems. The diaphragm-operated design provides high sensitivity and repeat accuracy at low pressures, while the compact explosion-proof capable housing (when used with appropriate enclosures) withstands standard mechanical room vibrations. For contractors prioritizing system uptime, the 1910-1 offers a rugged, field-adjustable solution for air pressure sensing and draft control.
Key Benefits for Technicians- Field Adjustable Range: Set point is easily tuned between 0.40" and 1.6" w.c. using the internal adjustment screw for precise HVAC pressure monitoring.
- Industrial Build Quality: Features a silicone diaphragm and painted steel housing to endure continuous operation in air handling units.
- High Pressure Tolerance: Rated for a 45" w.c. continuous pressure limit, preventing damage during system surges or static pressure spikes.
- Versatile Compatibility: Functions seamlessly with air and compatible non-combustible gases in positive, negative, or differential pressure applications.
What is the maximum temperature rating for the Dwyer 1910-1?
This switch is designed to operate in ambient temperatures ranging from -30 to 180°F (-34 to 82.2°C), ensuring stability in unconditioned mechanical spaces.
Can the 1910-1 be used for liquid flow monitoring?
No, this model is strictly for use with air and non-combustible gases. For liquid applications, a different series designed for compatible fluids must be used.
How do I connect the pressure lines?
The unit features 1/8" female NPT connections. Use professional-grade pipe thread sealant and ensure connections are tight to prevent leakage in differential pressure switch circuits.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $93.67
-65%$93.67
$32.78Dwyer Instruments 1910-1 Pressure Switch
The Dwyer 1910-1 is a precision-engineered low differential pressure switch designed for monitoring air and non-combustible gases in demanding HVAC and industrial automation environments. This series 1900 set-point controller features an adjustable range of 0.40" to 1.6" w.c., making it ideal for clogged filter detection and fan proving applications. The unit utilizes a Single Pole Double Throw (SPDT) switch, allowing for versatile wiring configurations in normally open or normally closed circuits. With an approximate deadband of 0.15" to 0.16" w.c. and a continuous pressure limit of 45" w.c., the Dwyer 1910-1 ensures reliable performance without frequent cycling in high-velocity duct systems. The diaphragm-operated design provides high sensitivity and repeat accuracy at low pressures, while the compact explosion-proof capable housing (when used with appropriate enclosures) withstands standard mechanical room vibrations. For contractors prioritizing system uptime, the 1910-1 offers a rugged, field-adjustable solution for air pressure sensing and draft control.
Key Benefits for Technicians- Field Adjustable Range: Set point is easily tuned between 0.40" and 1.6" w.c. using the internal adjustment screw for precise HVAC pressure monitoring.
- Industrial Build Quality: Features a silicone diaphragm and painted steel housing to endure continuous operation in air handling units.
- High Pressure Tolerance: Rated for a 45" w.c. continuous pressure limit, preventing damage during system surges or static pressure spikes.
- Versatile Compatibility: Functions seamlessly with air and compatible non-combustible gases in positive, negative, or differential pressure applications.
What is the maximum temperature rating for the Dwyer 1910-1?
This switch is designed to operate in ambient temperatures ranging from -30 to 180°F (-34 to 82.2°C), ensuring stability in unconditioned mechanical spaces.
Can the 1910-1 be used for liquid flow monitoring?
No, this model is strictly for use with air and non-combustible gases. For liquid applications, a different series designed for compatible fluids must be used.
How do I connect the pressure lines?
The unit features 1/8" female NPT connections. Use professional-grade pipe thread sealant and ensure connections are tight to prevent leakage in differential pressure switch circuits.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Dwyer 1910-1 is a precision-engineered low differential pressure switch designed for monitoring air and non-combustible gases in demanding HVAC and industrial automation environments. This series 1900 set-point controller features an adjustable range of 0.40" to 1.6" w.c., making it ideal for clogged filter detection and fan proving applications. The unit utilizes a Single Pole Double Throw (SPDT) switch, allowing for versatile wiring configurations in normally open or normally closed circuits. With an approximate deadband of 0.15" to 0.16" w.c. and a continuous pressure limit of 45" w.c., the Dwyer 1910-1 ensures reliable performance without frequent cycling in high-velocity duct systems. The diaphragm-operated design provides high sensitivity and repeat accuracy at low pressures, while the compact explosion-proof capable housing (when used with appropriate enclosures) withstands standard mechanical room vibrations. For contractors prioritizing system uptime, the 1910-1 offers a rugged, field-adjustable solution for air pressure sensing and draft control.
Key Benefits for Technicians- Field Adjustable Range: Set point is easily tuned between 0.40" and 1.6" w.c. using the internal adjustment screw for precise HVAC pressure monitoring.
- Industrial Build Quality: Features a silicone diaphragm and painted steel housing to endure continuous operation in air handling units.
- High Pressure Tolerance: Rated for a 45" w.c. continuous pressure limit, preventing damage during system surges or static pressure spikes.
- Versatile Compatibility: Functions seamlessly with air and compatible non-combustible gases in positive, negative, or differential pressure applications.
What is the maximum temperature rating for the Dwyer 1910-1?
This switch is designed to operate in ambient temperatures ranging from -30 to 180°F (-34 to 82.2°C), ensuring stability in unconditioned mechanical spaces.
Can the 1910-1 be used for liquid flow monitoring?
No, this model is strictly for use with air and non-combustible gases. For liquid applications, a different series designed for compatible fluids must be used.
How do I connect the pressure lines?
The unit features 1/8" female NPT connections. Use professional-grade pipe thread sealant and ensure connections are tight to prevent leakage in differential pressure switch circuits.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












