User guide

Flexible by Design

NLS Pneumatic Level Sensor

The NLS pneumatic liquid level sensor is designed for use in high viscosity liquids. It is modied 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.

Using a diaphragm, the switch is actuated by compression of a captive air column in the detecting

pipe beneath the diaphragm.

Features

• Low cost - requires only a standard 1/2 in pipe

• Simple installation

• Rugged and reliable

• Long switch life

APG

Automation Products Group, Inc. www.apgsensors.com

tel. 888.525.7300 sales@apgsensors.com

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NLS Pneumatic Level Sensor Flexible by Design The NLS pneumatic liquid level sensor 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. Using a diaphragm, the switch is actuated by compression of a captive air column in the detecting pipe beneath the diaphragm.
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NLS Specifications NLS-1A NLS-1S Performance • • Physical SPDT switch Detection Range: 8 - 200 in (200 - 5,000 mm) • Housing: ADC12 SS41 (NLS-3) • Diaphragm: Neoprene®, Viton® Connectivity • Output Contact Rating: 250 V 10 A AC; 115 V 0.