Sentinel® fogging systems combine Fogmaster-manufactured components (power heads, nozzles, controllers, and some pumps) with third-party components (blowers, liquid tanks, mixers, pumps, etc.) for best fit with customer requirements (chemicals, concentration, duty cycle, flow rates, nozzle location and fog droplet size).
Sentinel II systems employ one or more modular fogging heads, each with self contained air source, droplet size control, and one or two atomizing nozzles. Each can operate independently, needing only a liquid supply line and an ordinary power outlet. Depending on how liquid supply lines are plumbed, power heads can be daisy chained into zones, or set for stand-alone operation. Sentinel II power heads use tangential flow blowers driven by brush-style motors.
The Sentinel 5850 and 5855/56 systems further extend this modular concept by separating the air source from the nozzle(s). They use a single blower to supply atomization air to one or more fogging nozzles arranged in zones. Nozzles can be positioned where needed for effective coverage. Zones (that is, one or more nozzles plus associated controller and air source) can operate independently of one another or in a coordinated manner. Several control options are available, including time of day/day of week timers; humidity; data input from sensor; countdown timer; or the client's process control system.
Centralizing the supply of atomizing air for multiple nozzles (within limits) allows Sentinel systems to make economical use of "ring" design regenerative blowers in more demanding installations. Customers benefit from their energy efficiency, economies of scale, reliability and low maintenance characteristics. Importantly, ring blowers have no motor brushes and are free of motor brush- and/or motor-replacement issues. This helpfully finesses the limitations of brush style motors in applications with long run times and/or high duty cycles.
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