OLS-11

OLS-11 is a series OLS Optitrol® optical level switch. It is a low cost, rugged optical level switch that indicates the presence or absence of liquid via infrared light that is reflected back through the prism lens. Typical applications include food and beverage systems, liquid holding tanks, hydraulic reservoirs, pharmaceutical systems, air conditioning systems and sumps.

• Polysulfone wetted material
• NPN open collector switch
• Voltage rating range from 10-28 VDC, current consumption of 35mA maximum
• 1/2˝ male NPT connection
• Provides rapid response while employing no moving parts for stable process control
• Bright red and green LED’s indicate the presence or absence of liquid for true, local indication
• Compact switch can be quickly mounted horizontally or vertically for each installation