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Optomax Industrial Glass Range of Liquid Level Switches (old)

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Specification

TECHNICAL SPECIFICATIONS

Supply Voltages (Vs) 4.5 to 15.4Vdc
or 8 to 30Vdc
Supply Currents (Is) 2.5mA max. (Vs = 4.5 to 15.4Vdc)
or 7.5mA max. (Vs = 4.5 to 30Vdc)
Output Sink and Source Current (Iout) 1A
Operating Temperatures -40 to +125°C
Storage Temperatures Standard: -40 to +125°C
Housing Material Stainless steel housing with glass sensing tip
Sensor Termination 20AWG, 250mm PTFE wires, 8mm tinned
Operating Pressure Up to 600 bar depending on housing type

OUTLINE DRAWINGS

Glass-dwgs

OUTPUT VALUES

Output Voltage (Vout): Iout = 1A
Vs = 4.5 to 15.4Vdc
Output High Vout = Vs – 1.5V max
Output Low Vout = 0V + 0.5V max
Output Voltage (Vout): Iout = 1A
Vs = 8 to 30Vdc
Output High Vout = Vs – 1.8V max
Output Low Vout = 0V + 0.7V max

ELECTRICAL INTERFACE

Wire Designation
Red Vs
Green Output*
Blue 0V

*See part numbering guide for output type and logic

white

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Features and Benefits

FEATURES

  • Reverse polarity, ESD and transient over-voltage protected
  • Wide supply voltage ranges
  • N and P type output configurations, capable of sinking or sourcing up to 1A, can directly drive loads
  • Standard and extended temperature ranges available
  • Stainless steel housing with glass sensing tip
  • Thread options for external mounting
  • Very high operating pressure

BENEFITS

  • Solid state so no moving parts to cause unreliability
  • Small in size so they can be installed in applications where space is limited
  • Can detect tiny amounts of liquid when positioned correctly, ideal for leak detection
  • Fast response time
  • Repeatable switching point
  • Built-in output delays available on request for applications where sloshing causes intermittent switching
  • Very robust construction permitting use in a wide range of demanding applications
  • Compatible with most fluids and chemicals


OPERATING PRINCIPLE

Liquid sensing 001_450

When in air the infrared light is reflected back to the detector

 

Liquid sensing 002_450

When in liquid the infrared light is refracted and the output switches

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