PHYSICAL 
DATA
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.
Mounting/Conduit 
Connection: ½" NPTM.
Repeatability: ±0.02" (0.5mm)
Power 
Supply: 10-28 VDC
Output Signal: NPN open collector, Vout(max) = 
40 VCD, Isink (max = 100 mA).
Current Consumption:35 mA DC 
maximum
Wetted Materials:Teflon®.
Weight:2.5 oz (.07 
kg)

Suggested Specifications
Optical level switch shall be in full 
Teflon® construction. Unit shall provide an NPN open collector output signal. 
Switch shall be capable of mounting in horozontal or vertical position  

STOCKED MODELS




Model
Number
Wetted
Materials

Model OLS-22 
Teflon® 
 
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