product id: 104731
The APG NLS pneumatic liquid level switch is designed for use in high viscosity liquids. It is modified to overcome the high viscosity by making the tip of the detecting pipe larger than usual. The NLS is the ideal sensor for applications where electrical power is not available or hazardous conditions exist.
With few moving parts, only a flexing diaphragm, the NLS pneumatic point level switch lasts long and is very reliable. Using a diaphragm, the switch is actuated by compression of a captive air column in the detecting pipe beneath the diaphragm.
The NLS requires no power to operate it sensing elements, and provides a dry contact output. The NLS installs easily on a 1/2 inch pipe of your choosing to the bottom of the sensor housing, protruding past the switch point in the tank. The switch point is easily adjusted by your choice of pipe length.
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