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Electro-optic point-level sensor; PSF, wet sink, 1/4" NPT(M)

Item# DO-32772-00

$137.00 USD/EACH

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  • Detect liquids regardless of conductivity, color, or specific gravity
  • Economical and compact — built-in solid-state switching electronics
  • One-unit installation — simply screws into the top or side of your tank
These dependable, electro-optic level sensors contain no moving parts to clog or wear. Sensors offer ±1 mm repeatability and are available in a wide variety of materials to meet even the most demanding applications.
Installation is simple and quick through the tank top, bottom, or side. The switches can be used for low-, intermediate-, or high-liquid level detection. Solid state switching ensures dependability over a long service life. Order controller separately.
Product Type Optic Point-Level Sensors
Wetted parts Polysulfone
Max temperature 176°F
Max psi 150
Max operating temperature 176°F
Mount 1/4" NPT(M)
Conduit fitting 3/8" NPT(M)
Qty/ea 1
Repeatability ±1 mm
Brand Cole-Parmer
Applications Most oil, water, and wastewater, leak detection
Power (VDC) Input: 12 (max 5 on output)
Signal output 30 VDC at 40 mA max

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Can this be used in a humid environment with steam above the water level?
    Asked on 11/20/2013 by Kim

    1 answer



      If there is condensation it may affect the sensor. Electo-Optic sensors are not typically recommended for condensing atmospheres.An ultrasonic transmitter is an alternative.

      Answered on 11/21/2013 by Dan from Technical Support
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