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LS-74780/LS-1900TFE/LS-1700TFE Single-Point Level Switch

Brand: Gems Sensors, Inc

When all-plastic material is desirable and tank space is not restricted. The LS-1700 Series offers broad chemical compatibility for general-purpose use.

Also ideal for oils and water. A medium-size solution for ultra-pure liquid level sensing. Made of corrosion resistant PTFE for low particle generation. 

LS-1900TFE resists build-up of foreign material or sticky media. Float travel remains uninhibited in viscous or corrosive liquids. SPDT switch.

The LS-74780 Series Single-Point large size float level switch is ideal for use with aggresive fluids or ultra-pure liquids.

1 - 4 of 4 Part Numbers
133299
133299
  • Series - LS-1900TFE
  • Switch - SPDT, 20 VA
  • Mounting - 1/4" NPT
174100
174100
  • Series - LS-1700TFE
  • Switch - SPST Normally Open, 20 VA
  • Mounting - 1/8" NPT
174200
174200
  • Series - LS-1700TFE
  • Switch - SPST Normally Closed, 20 VA
  • Mounting - 1/8" NPT
74780
74780
  • Series - LS-74780
  • Switch - SPST, 20 VA
  • Mounting - 1/4" NPT
1 - 4 of 4 Part Numbers

Specifications

Applications

  • Chemical & Plating Application
  • Resists Build-Up of Foreign Material or Sticky Media
  • Ultra-Pure Liquid Level Sensing

Approvals & Certifications

  • CE

Electrical - Free Leads

  • 18 AWG, 24” (61 cm) Long, Lead Wires

Electrical Connectors

  • Electrical Termination

Electrical Contacts

  • Normally Closed

Electrical Rating

  • 20 VA

Enclosure, Body Material

  • CPVC
  • PTFE
  • Teflon

Fluid Specific Gravity

  • Minimum 0.80 to 0.86

Maximum System Pressure

  • psi: 15 (kPa: 103.4, bar: 1.034) for LS-74780
  • psi: 25 (kPa: 172, bar: 1.72) for LS-1700TFE
  • psi: 30 (kPa: 206.8, bar: 2.06) for LS-1900TFE

NPT Connection

  • 1/4” NPT Male
  • 1/8” NPT Male

Operating Temperature - Sensor

  • 0° to 100° C (32° to 212° F) for LS-1700TFE
  • -40° to 148.9° C (-40° to 300° F) for LS-1900TFE
  • -40° to 82.2° C (-40° to 180° F) for LS-74780

Sensor / Probe Style

  • Float

Stem Material

  • CPVC
  • PTFE
  • Teflon

Switch Type

  • SPDT
  • SPST

Wetted Materials

  • CPVC for LS-74780
  • PTFE for LS-1700TFE
  • Teflon for LS-1900TFE
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