presair
Vacuum Monitoring Solutions
Presair’s light and audio alarm is part of its broader line of Vacuum Monitoring Solutions, designed to notify personnel when vacuum levels rise or fall outside specified limits. These systems enable a quick response to prevent equipment issues and reduce production downtime.
Each external unit includes a visual stack light with an optional 90 dB audible alarm, a vacuum sensor rated up to 300 inches of water & 120V power input. Presair offers both field adjustable and factory set models to meet specific system requirements.
custom options
Wide variety of options available to meet original equipment manufacturers product requirements.
high quality
Highly stable with good repeat accuracy. All switches are 100% tested at high & low settings, & at proof pressure.
safe & economical
Remote operation with complete electrical isolation. UL Recognized. Costs less than conventional controls
made in u.s.a.
Presair switches are designed & manufactured in Eau Claire, Wisconsin, U.S.A.
Presair’s Vacuum Alarm provides a reliable solution for monitoring negative pressure in air systems. It alerts personnel immediately when vacuum levels rise or fall outside a defined set point, helping to prevent equipment issues and reduce downtime.
The monitoring system features a visual stack light with an optional 90 dB audible alarm, designed to draw attention in both quiet and noisy environments. Presair offers two model options:
- Field Adjustable Model: Includes a vacuum switch adjustable from 0.25 to 300 inches of water. Users can configure the unit to trigger on vacuum rise or fall. The stack light can operate with light-only or light and audible alarm.
- Factory Set Model: Offers a smaller footprint for compact installations. Presair sets the vacuum trip point during production based on your specifications. The stack light notifies using light-only or light with audio.
Features
- Multiple visual and audible notification options
- Wide range of air connection configurations
- Vacuum sensing range: 0.25 to 300 inches of water
- Protective switch housings available for harsh environments
- UL & cUL rated vacuum switch: 100,000 cycles at 5 Amps @ 240 VAC
- Stack light mounting options
