• Liquid Level Switches Sensor Optical
  • Liquid Level Switches Sensor Optical
  • Liquid Level Switches Sensor Optical
  • Liquid Level Switches Sensor Optical
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Liquid Level Switches Sensor Optical

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  • Price

    Price on request   ≥1piece

  • Model Number

    LLIS

  • Data Sheet

  • Package

    Original packaging

  • Specs

    LLIS

  • Quantity

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Product Description

Liquid Level Switches Sensor Optical LLIS：

Intrinsically safe for hazardous areas

Hazardous area approved, PST’s range of intrinsically safe optical liquid level switches are designed and certified for use in demanding applications where direct contact with hydrocarbons, fuels, and flammable or explosive liquids is likely.
Using infrared technology and the principle of total internal reflection, our liquid level switches detect the presence or absence of most liquids. An almost instantaneous response time is standard, and switch point repeatability is +/- 1 mm.

PST liquid level switches have an operating temperature range between -30 °C and +80 °C (-22°F…+176°F). Stainless steel housing and a choice of sensing tip materials ensure they are extremely robust and resistant to chemical attack.


Liquid Level Switches Sensor Optical LLIS Highlights：

  • ATEX, UKCA and IECEx certified
  • Ambient and liquid temperature – 30 °C…+80 °C (-22 °F…+176 °F)
  • Metric and imperial process connection options
  • NAMUR output
  • Speed of response from the optical sensor is almost instantaneous
  • No calibration required
  • 316 stainless steel housing



Liquid Level Switches Sensor Optical LLIS Applications：


  • Presence or absence of any liquid
  • Petrochemicals / Oil and gas
  • Heavy -duty automotive
  • Leak detection
  • Hydraulic reservoirs
  • Tank / container level-control
  • Downstream analyzer protection.