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Dwyer Model OLS 10-12 Optical Level Switch

Low Cost. Compact. LED Indication

Low cost, rugged optical level switch provides rapid response while employing no moving parts for stable process control. The bright red green LED's indicate the presence or absence of liquid for true, local indication. For application flexibility, this level control utilizes FDA approved materials. Compact switch can be quickly mounted horizontally or vertically for each installation.

See Dimensions

  • Maximum Pressure: 200 psig (13.8 bar)
  • Maximum Process Temperature: 200°F (93.3°C)
  • Maximum Ambient Temperature: 175°F (79.4°C)
  • Process Connection: ½" NPTM
  • Repeatability: ±0.02" (0.5 mm)
  • Power Supply: 10-28 VDC
  • Output Signal: NPN open collector, Vout (max) = 40 VDC, Isink (max) = 100 mA
  • Current Consumption: 35 mA DC maximum
  • Wetted Materials: 316 stainless steel, polysulfone
  • Weight: 2.5 oz. (.07 kg)

Food and beverage systems
• Hydraulic reservoirs
• Pharmaceutical systems
• Liquid holding tanks
• Sumps
• Air conditioning systems
Optical level switch shall be 316 SS construction with polysulfone lens. Unit shall provide red and green LED indication and NPN open collector output signal. Switch shall be capable of mounting in horizontal or vertical position. Switch shall be W. E. Anderson Model. No. OLS-10.
MODELS NUMBERS (stock shown in bold)
Model Number Description
 OLS-10  Max Pressure: 200 psig (13.8 bar) Max Temp: 200 F (93.3 C)
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