NLS Pneumatic Level Sensor
APG
Flexible by Design
The NLS pneumatic liquid level sensor is designed for use in high viscosity liquids. It is modied 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
Automation Products Group, Inc. www.apgsensors.com
tel. 888.525.7300 sales@apgsensors.com
NLS Specications
APG
NLS-1A NLS-1S NLS-3
Performance
• SPDT switch
• Detection Range: 8 - 200 in (200 - 5,000 mm)
Connectivity
• Output Contact Rating:
250 V 10 A AC; 115 V 0.5 A DC (resistive)
Certication
• NEMA 4, IP42
• NEMA 1, IP20 (NLS-3)
Water • • •
Oil • • •
Wastewater • • •
Chemicals •
Solvents •
Options
Physical
• Housing:
ADC12
SS41 (NLS-3)
• Diaphragm: Neoprene®, Viton
Environmental
• Operating Temperature:
-4º - 158ºF (-20º - 70ºC)
NLS-1A NLS-1S NLS-3
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Part Number: NLS - _____
A
A. Protective Bellows
□ 1A Standard materials (Neoprene
□ 1S Corrosive materials (Viton
□ 3 Indoor, light duty (Neoprene
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Automation Products Group, Inc. www.apgsensors.com
tel. 888.525.7300 sales@apgsensors.com
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