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As part of our marine sensor series the Mobrey Ultrasonic liquid level integral sensor is manufactured in Polyphenylene Sulphide (PPS) for corrosion resistance in most liquids. The 003 range of sensors can be mounted in any position in a tank using either a 1”
or 3/4” thread available in BSPP, BSPT and NPT thread forms. A thread is provided 
on each side of a hexagonal boss to allow either external or internal / pole mounting of the sensor. Comprising of a one piece moulded body with an integral pcb, the 003 switch is factory sealed and supplied with a 3m flying lead for customer connection. The Mobrey 003 switch is designed for high or low level alarm duties to give a voltage free changeover contact or dual solid state transistor output for alarm signalling or as part of a pump control system. 


●Relay or solid-state output
●Corrosion resistant PPS construction
●1-in. or ¾-in. threaded mounting
●Small in-tank dimensions
●24 Vac or dc powered
●Lightweight
●No moving parts

Delta Mobrey

Ultrasonic Level Switch - Model 003

Highly reliable level switch with no moving parts

Delta Mobrey
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