Industrial Liquid Level Switch – Optomax Industrial Range
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Details
- Protection against reverse polarity, ESD, transient over-voltage, and short circuits
- Compatible with wide supply voltage ranges
- N and P-type output options, capable of sourcing or sinking up to 1A, ideal for driving small loads directly
- Available in standard and extended temperature versions
- Threaded designs for external mounting
- Rugged stainless steel housing with a borosilicate glass sensing tip
- Optional built-in output delays to reduce switching caused by liquid sloshing
Industrial Liquid Level Switch for Point Level Detection
This industrial liquid level switch uses infrared optical technology to detect whether liquid is present at the sensing tip. With no moving parts, multiple output configurations and options for external threaded mounting, the Optomax Industrial range is suitable for demanding industrial and OEM applications.
The Optomax Industrial range provides a robust industrial liquid level switch solution for detecting the presence or absence of oil-based, water-based and other compatible liquids.
These solid-state optical sensors are designed for industrial equipment, process control systems, tanks, reservoirs and fluid-handling applications where reliable point level detection is required.
The Optomax Industrial sensors offer multiple N and P type output configurations, capable of sinking or sourcing up to 1A at supply voltages ranging from 4.5–15.4Vdc or 8–30Vdc. Outputs can be configured to indicate high or low signals in either wet or dry states, with options for inductive loads or digital interface integration.
Designed for flexible industrial mounting, the sensor housing features threads suitable for external installation and operates across two temperature ranges: Standard (-25 to 80°C) or Extended (-40 to 125°C). The sensors are available in two chemically resistant materials: Polysulfone, ideal for general applications, or Trogamid, suitable for food and beverage processing.
This industrial liquid level switch uses infrared optical technology to detect whether liquid is present at the sensing tip. With no moving parts, multiple output configurations and options for external threaded mounting, the Optomax Industrial range is suitable for demanding industrial and OEM applications.
The Optomax Industrial range provides a robust industrial liquid level switch solution for detecting the presence or absence of oil-based, water-based and other compatible liquids.
These solid-state optical sensors are designed for industrial equipment, process control systems, tanks, reservoirs and fluid-handling applications where reliable point level detection is required.
The Optomax Industrial sensors offer multiple N and P type output configurations, capable of sinking or sourcing up to 1A at supply voltages ranging from 4.5–15.4Vdc or 8–30Vdc. Outputs can be configured to indicate high or low signals in either wet or dry states, with options for inductive loads or digital interface integration.
Designed for flexible industrial mounting, the sensor housing features threads suitable for external installation and operates across two temperature ranges: Standard (-25 to 80°C) or Extended (-40 to 125°C). The sensors are available in two chemically resistant materials: Polysulfone, ideal for general applications, or Trogamid, suitable for food and beverage processing.
Supply voltage (Vs)
4.5VDC to 15.4VDC
Storage temperatures Standard
Standard: -30°C to +85°C Extended: -40°C to +125°C
Housing material
Polysulfone or Trogamid®b
Switch termination
20AWG, 250mm PVDF wires, or 22AWG PVC cable.
Output Voltage (Vout):
lout = 1A
Application Notes
3D Models
2D Drawings
Accreditation & Compliance

