Starting at $141.00
Minimum Order Quantity of 5 Items.
  • Usually ships in 2-3 weeks



  • Flange Mounting
  • No Threads Needed
  • Ideal for Thin Wall Tanks
  • 10 to 28 VDC Input Voltage
  • Polysulfone Body and Prism
  • Operating Temperature: 0 to 176°F
  • Operating Pressure: 150 PSI, Max
  • Output: TTL/CMOS Compatible. Open Collector Output May Sink 40 mA Up to 30 VDC
  • Repeatability: ±1 mm
  • EMI Susceptibility: Meets (MIL-STD-461B Part 2 Modified) Specification of 10 V/M for Frequency Range 30 to 1000 MHz


The Gems ELS-1100FLG series is a flange mounted optical level sensor for installations without threaded holes. The perfect solution for thin wall tanks (up to 1/4" thick), the ELS-1100FLG series slips through a .75" hole and tightens with a jam nut. A Viton gasket forms a tight seal. Ideal for sheet metal, molded plastic tanks and medical applications where elimination of exposed threads removes potential bacterial breeding grounds.

The ELS-1100FLG series is suitable for wide range of applications. Solid state-switching ensures dependability over long service life. The sensor offers ±1 mm repeatability and broad liquid compatibility. They are not recommended for use in any liquid that crystallizes or leaves a solid residue.

Applications for the Gems ELS-1100FLG Series flow switch:

  • Medical Laboratory
  • Food and Beverage Systems
  • Pharmaceuticals
  • Petrochemicals
  • Leak Detection
  • Hydraulic Reservoirs
  • Machine Tools