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1025 West 1700 North, Logan UT 84321
Phone: 888-525-7300 Fax: 435-753-7490
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NLS-1A Pneumatic Liquid Level Switch

Ideal Point-Level Switch for Viscous Liquids

  • Low Cost
  • No supply voltage necessary
  • Detection tube can be up to 200 in. long
  • Mechanically activated; no supply voltage required
  • Reliable; no moving parts are in contact with the liquid
  • NLS Series Datasheet



Detection Range 8 to 200 in.
Material
Housing Cover: ADC12
Housing: ADC12
Chamber: ADC12 or SCS13
Diaphragm: Standard: Neoprene® (NLS-1A) or Optional: (NLS-1S) Viton®
Cable Entry: PF 3/4 PF
Switch Operating Position*:
     NLS-1A (Neoprene®): 3.15 ± 0.39 in.
     NLS-1S (Viton®): 2.76 ± 0.39 in.
Switch Release Position:
     NLS-1A (Neoprene®): 2.36 ± 0.59 in.
     NLS-1S (Viton®): 1.97 ± 0.59 in.
Rating: IP42/NEMA 4
Output Contact Rating: 1 SPDT, 250 V, 10 A AC, 115 V, 0.5 A DC (resistive)
Maximum Viscosity: 10 P in 1/2 in. pipe: 30 P in 1 in. pipe ; 100 P in 2 in. pipe
Temperature Range in Housing: -4 to 158°F (-20 to 70°C)
Maximum Humidity: 85% RH
Shock Resistance: Max. 10 g
Mounting Plug: G 1 male
Pipe Coupling: R 1/2 female
*based on water using ½ in. pipe