Dwyer Instruments A3010 Pressure Switch/Gage
The Dwyer Instruments A3010 Photohelic Pressure Switch/Gage is a versatile 3-in-1 instrument that combines the precision of a Magnehelic differential pressure gage with the control capabilities of double-pole double-throw (DPDT) relays. Designed for air and compatible non-combustible gases, this model features a 0-10.0" W.C. range and a standard 4" dial face for clear, continuous pressure monitoring. Engineering-grade phototransistor-actuated relays provide high-limit and low-limit control, ensuring chatter-free operation with a deadband of less than 1% of full scale. The 1/8" FNPT connections and clear polycarbonate cover make it a standard choice for HVAC filter monitoring, clean room occupancy, and fume exhaust systems. By integrating an analog pressure display with adjustable set point knobs, the A3010 allows technicians to replace multiple components with a single, highly repeatable unit. This differential pressure controller maintains gauge accuracy within ±2% of full scale, even during power loss, providing critical fail-safe data for sensitive pneumatic systems.
Key Benefits- Streamlined Integration: Combines a pressure measurement gage and two DPDT switching relays in one housing to save installation space and costs.
- Precision Control: Features a 1% full-scale deadband and infrared light shutter mechanism to ensure rapid, repeatable pressure switching without mechanical lag.
- Field Adjustable: Dual set point knobs on the face allow for immediate threshold adjustments without removing the 4-inch dial face cover.
- High Compatibility: Standard 1/8" NPT female connections facilitate easy retrofit into existing HVAC sensor and clean room pressure manifolds.
How do I wire the A3010 for high/low limit alarms?
The unit includes two separate DPDT relays. You can wire the high-limit relay to trigger on rising pressure and the low-limit to trigger on falling pressure using the internal screw terminals, providing comprehensive pressure monitoring for ductwork or filters.
Can the A3010 be used for liquid pressure applications?
No, the A3000 series Photohelic is designed specifically for air and compatible, non-combustible, non-corrosive gases. For liquid pressure control, a different series with appropriate wetted materials must be utilized.
Does the dial reading change when the relays actuate?
The gauge reading is continuous and entirely independent of the electronic pressure switch operation. Even if electrical power is lost, the Magnehelic-style movement will continue to display accurate differential pressure.
This item is not eligible for free shipping.
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: $724.08
-65%$724.08
$253.43Dwyer Instruments A3010 Pressure Switch/Gage
The Dwyer Instruments A3010 Photohelic Pressure Switch/Gage is a versatile 3-in-1 instrument that combines the precision of a Magnehelic differential pressure gage with the control capabilities of double-pole double-throw (DPDT) relays. Designed for air and compatible non-combustible gases, this model features a 0-10.0" W.C. range and a standard 4" dial face for clear, continuous pressure monitoring. Engineering-grade phototransistor-actuated relays provide high-limit and low-limit control, ensuring chatter-free operation with a deadband of less than 1% of full scale. The 1/8" FNPT connections and clear polycarbonate cover make it a standard choice for HVAC filter monitoring, clean room occupancy, and fume exhaust systems. By integrating an analog pressure display with adjustable set point knobs, the A3010 allows technicians to replace multiple components with a single, highly repeatable unit. This differential pressure controller maintains gauge accuracy within ±2% of full scale, even during power loss, providing critical fail-safe data for sensitive pneumatic systems.
Key Benefits- Streamlined Integration: Combines a pressure measurement gage and two DPDT switching relays in one housing to save installation space and costs.
- Precision Control: Features a 1% full-scale deadband and infrared light shutter mechanism to ensure rapid, repeatable pressure switching without mechanical lag.
- Field Adjustable: Dual set point knobs on the face allow for immediate threshold adjustments without removing the 4-inch dial face cover.
- High Compatibility: Standard 1/8" NPT female connections facilitate easy retrofit into existing HVAC sensor and clean room pressure manifolds.
How do I wire the A3010 for high/low limit alarms?
The unit includes two separate DPDT relays. You can wire the high-limit relay to trigger on rising pressure and the low-limit to trigger on falling pressure using the internal screw terminals, providing comprehensive pressure monitoring for ductwork or filters.
Can the A3010 be used for liquid pressure applications?
No, the A3000 series Photohelic is designed specifically for air and compatible, non-combustible, non-corrosive gases. For liquid pressure control, a different series with appropriate wetted materials must be utilized.
Does the dial reading change when the relays actuate?
The gauge reading is continuous and entirely independent of the electronic pressure switch operation. Even if electrical power is lost, the Magnehelic-style movement will continue to display accurate differential pressure.
This item is not eligible for free shipping.
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 Instruments A3010 Photohelic Pressure Switch/Gage is a versatile 3-in-1 instrument that combines the precision of a Magnehelic differential pressure gage with the control capabilities of double-pole double-throw (DPDT) relays. Designed for air and compatible non-combustible gases, this model features a 0-10.0" W.C. range and a standard 4" dial face for clear, continuous pressure monitoring. Engineering-grade phototransistor-actuated relays provide high-limit and low-limit control, ensuring chatter-free operation with a deadband of less than 1% of full scale. The 1/8" FNPT connections and clear polycarbonate cover make it a standard choice for HVAC filter monitoring, clean room occupancy, and fume exhaust systems. By integrating an analog pressure display with adjustable set point knobs, the A3010 allows technicians to replace multiple components with a single, highly repeatable unit. This differential pressure controller maintains gauge accuracy within ±2% of full scale, even during power loss, providing critical fail-safe data for sensitive pneumatic systems.
Key Benefits- Streamlined Integration: Combines a pressure measurement gage and two DPDT switching relays in one housing to save installation space and costs.
- Precision Control: Features a 1% full-scale deadband and infrared light shutter mechanism to ensure rapid, repeatable pressure switching without mechanical lag.
- Field Adjustable: Dual set point knobs on the face allow for immediate threshold adjustments without removing the 4-inch dial face cover.
- High Compatibility: Standard 1/8" NPT female connections facilitate easy retrofit into existing HVAC sensor and clean room pressure manifolds.
How do I wire the A3010 for high/low limit alarms?
The unit includes two separate DPDT relays. You can wire the high-limit relay to trigger on rising pressure and the low-limit to trigger on falling pressure using the internal screw terminals, providing comprehensive pressure monitoring for ductwork or filters.
Can the A3010 be used for liquid pressure applications?
No, the A3000 series Photohelic is designed specifically for air and compatible, non-combustible, non-corrosive gases. For liquid pressure control, a different series with appropriate wetted materials must be utilized.
Does the dial reading change when the relays actuate?
The gauge reading is continuous and entirely independent of the electronic pressure switch operation. Even if electrical power is lost, the Magnehelic-style movement will continue to display accurate differential pressure.
This item is not eligible for free shipping.
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.
