Greyline Instruments, Inc.

Connect a submersible pressure sensor or other 4-20mA level transmitter to the PSL 5.0 for fail-safe hybrid sensing. The PSL 5.0 will auto-calibrate the redundant sensor and if signal is lost to the ultrasonic sensor, the redundant sensor will seamlessly take over monitoring until signal resumes from the ultrasonic. Read more...

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Danaher Sensors & Controls - Specialty Products

Across-the-Line starting is the most economical and most commonly used type of fire pump controller. Full voltage is applied to the motor for starting, by use of a single motor contactor. Read more...

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Time Mark Corporation

Multi-stage alternator; Replaces Mechanical Alternators; User selectable for: Single motor/pump, Two motor/pump (duplex), Three motor/pump (triplex), or Four motor/pump (quadraplex); Unit remembers which motor/pump is next during power loss. Read more...

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Time Mark Corporation

The Model 4052 Pump-Down Controller provides total control for duplex pumping systems. The Model 4052 monitors, controls and displays the liquid level in a tank or reservoir, up to a depth of 34.6 feet. Read more...

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