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ELS-1100 Series Single-Point Level Switch

Brand: Gems Sensors, Inc

These polysulfone level switch units are both compact and economical. They feature a variety of mountings, power requirements and electrical terminations to make it easy to find a perfect match for your application. 

The ELS Level Switch Series is low cost, compact, optical, level sensors with built-in switching electronics. With no moving parts, these small units are ideal for a variety of point level sensing applications especially where dependability and economy are a must. 

These level switch units are suitable for high, low or intermediate level detection in practically any tank top, large or small.

Installation is simple and quick through the tank top, bottom or side. 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.

Specifications

Applications

  • Food & Beverage
  • Hydraulic Reservoirs
  • Leak Detection
  • Machine Tools
  • Medical Laboratory
  • Pharmaceutical

Approvals & Certifications

  • CE
  • UL Listed: File No. E108913

Conduit Connection

  • 3/8” NPT Male

Consumption

  • Current Consumption: 18 mA, Approximately

Electrical Connectors

  • Fish Pull Ring: 25 feet Cable, 22 AWG, PVC Jacketed
  • Lead Wires, 22 AWG, PVC Jacketed, 12” to 14” Extended

Enclosure, Body Material

  • Nylon
  • Polysulfone

Environmental Protection

  • Intrinsically Safe: Class I, Div. 1, Groups C & D

Frequency

  • EMI Susceptability Meets (MIL-STD-461B Part 2 Modified) Specification of 10 V/M: 30 to 1,000 MHz

Input Power

  • 10-28 Vdc
  • 5 Vdc

Materials of Construction

  • Prism: Nylon
  • Prism: Polysulfone
  • Removable ”Fish” Pull Ring & Cable: PVC

Metric Connection

  • M12 x 1 Male

NPT Connection

  • 1/4” NPT Male

O-Ring Material

  • Viton

Operating Pressure

  • psi: 0 to 150 (kPa: 0 to 1,034, bar: 0 to 10.34) - Max.

Operating Temperature

  • -17.8° to 80° C (0° to 176° F)

Output

  • TTL/CMOS Compatible, Open Collector Output May Sink 40 mA up to 30 Vdc

Repeatability

  • ± 1 mm

Sensor / Probe Style

  • Electro-Optic

UNF/UNC Connection

  • 1/2”-20 UNF Male 2A
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