Gems Sensors ELS-1100 Electro-Optic General Purpose Liquid Level Sensor Sensor

  • Polysulfone or Nylon wetted parts
  • General purpose applications
  • Temperature ranges –18 » 80°C
  • Pressure range 10 bar
  • TTL/CMOS compatible( open collector output )
  • ¼” NPT threaded
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Senlux Besta OPG01 opto-electronic level switch

  • No moving parts switch made from stainless steel with a quartz glass tip for detecting levels of liquid media.
  • Supply: 12 » 32Vdc
  • Output: PNP (200 mA), reverse polarity protected
    • Function Opener / Closer
    • LED on rear of device
  • Enclosure: IP65
  • Electrical connection: Cable PVC, PUR, 3 x 0,25 mm² or Plug M8, other types on request
  • Pressure max: 10 bar
  • Temperature: -30 » 100°C (Ambient -25 » 70°C)
  • Materials: housing stainless steel 1.4305 (optional also in stainless steel 1.4571), quartz glass prism
  • Accuracy:±0.5 mm
    • Models available with adjustable sensitivity
  • Process connections: 3/8" BSPP, M12x1, ½" BSPP (other types on request)
    • Mounting direction any
    • min. distance sensor tip to reflecting wall 10 mm
  • Typically stocked models: OPG01 A2POT & OPG01 B2POT 
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Senlux Besta OPG04 opto-electronic level switch

  • No moving parts with a quartz glass tip for detecting levels of liquid media - made from nickel-plated steel for refrigeration applications.
  • Supply: 12 » 32Vdc
  • Output: PNP (200 mA), reverse polarity protected
    • Function Opener / Closer
    • LED on rear of device
  • Enclosure: IP65
  • Electrical connection: Cable PVC, PUR, 3 x 0,25 mm² or Plug M8, other types on request
  • Pressure max: 40 bar
  • Temperature: -40 » 100°C (Ambient -30 » 70°C)
  • Materials: nickel-plated steel
    • Glass fused with the steel body (without a seal)
  • Accuracy:±0.5 mm
    • Models available with adjustable sensitivity
  • Process connections: ½" BSPP (other types on request)
    • Mounting direction any
    • min. distance sensor tip to reflecting wall 10 mm
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Senlux Besta OPG05 opto-electronic level switch

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Gems Sensors ELS-1100TFE Electro-Optic Ultra-Pure Liquid Level Sensor

  • Teflon wetted parts
  • High purity or chemically aggressive applications
  • Temperature ranges –18 to 80°C
  • Pressure range 10 bar
  • TTL/CMOS compatible( open collector output )
  • 1/4” NPT threaded
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Gems Sensors ELS-1150 Electro-Optic Compact Liquid Level Sensor

  • Compact level switch with no moving parts
    • Ideal for monitoring the small, pressurized vessels found in HVAC, refrigeration and hydraulic applications
  • Upgraded with micro-processor board to provide a wide range of new OEM opportunities!
    • e.g. electrical termination, output time delay etc
  • Materials: nickel-plated carbon steel or stainless steel (model dependent), fused glass
  • Pressure: up to 2500Psig
  • Temperature: -40 » 100°C
    • High temperature versions are also available
  • Output: transistor (open collector) - wet or dry sink
    • Refer also optional Opto-Pak Controller (link) for relay output
    • Ex approved (FM Certified) versions also available
  • Supply: 5 & 12Vdc models
  • Process connections: choice of ½” NPT or ¾"-16 straight thread
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Gems Sensors ELS-1200 Electro-Optic High Feature Liquid Level Sensor

  • Nickel plated carbon steel, Stainless & Hasteloy C versions
  • High pressure rated and corrosion resistant
  • Temperature ranges –40 to 100°C
  • Pressure range 172 bar
  • TTL/CMOS compatible( open collector output )
  • 1/2” & 3/4” NPT threaded
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Senlux Besta OPG03 opto-electronic level switch

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Senlux Besta OPG061 opto-electronic level switch

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Senlux Besta OPG06 opto-electronic level switch

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Sitron SOP400 series electro-optic level switches

  • No moving parts
  • Small size for tight applications
  • Supply: 9»32VDC or 5»12VDC
  • Output: Transistor output PNP (NO) or NPN (NO or NC) or remote LV400 controller with relay output
    • Local: LED indication
  • Performance: ±0.5mm repeatability, <1mm hysteresis, ~1sec response time
  • Process conn: NPT, BSP or sanitary fittings
    • Insertion length: typically 35mm
  • Media: 
    • Temperature: -40 » 100°C media (up to 135°C on request)
    • Pressure: up to 20 bar
  • Wetted parts: 316SS or PVC (>¾"), 
  • Enclosure:IP67
    • M12 cable or plug
  • Protection: reverse polarity, short circuit & over voltage
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