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Choosing PVC, PUR, FEP and TPE cable types

When specifying the electrical connection for submersible types of the LMP, LMK and DCL series of liquid level sensors, you will need to choose from a selection of cable types.

The choice of cable will depend on your budget, application environment, and liquid compatibility.

Below is a summary of the properties of each cable to help make a better decision on the most appropriate cable for your application.

Contents

  • PVC
  • PUR
  • FEP
  • TPE
  • TPE-U
  • Help
    • FEP vs TPE for Diesel 

PVC

  • Operating temperature from 0 … 70 °C
  • Max. cable length 140 m
  • Material is very flexible
  • Good chemical resistance

PUR

  • Operating temperature from -20 … 100 °C
  • Max. cable length 700 m
  • Abrasion-proof
  • Resistant against chemicals
  • May be used in food industry

FEP

  • Operating temperature from -25 … 125 °C
  • Max. cable length 700 m
  • PUR cable + PTFE cover
  • Resistant against all kinds of chemicals

TPE

  • Large operating temperature from -25 … 125 °C
  • Max. cable length 800 m
  • Resistant against sea water and heavy oil

TPE-U

  • Large operating temperature from -10 … 75 °C
  • Drinking water approved
Submersible cable liquid level sensor products
  • LMK458 Marine Approved Hydrostatic Level Transmitter
  • 18.605 G Low Cost Submersible Diesel Fuel and Water Tank Level Sensor
  • LMK382 Low Range IP68 Waste Water Level Transmitter
  • LMP307 Submersible Level Transmitter

Help

FEP vs TPE for Diesel 

Is a FEP or TPE outer cable material preferred for immersing in diesel? TPE seems to be a common choice for marine approved applications, but what’s the reason?

TPE is more robust, resistant to seawater and rated higher for hot environments.

FEP is better with diesel in non-marine applications, but TPE is also acceptable.

Submersible cable liquid level sensor products
  • LMK382 Low Range IP68 Waste Water Level Transmitter
  • LMP305 Borehole Level Transmitter
  • LMK458 Marine Approved Hydrostatic Level Transmitter
  • 18.605 G Low Cost Submersible Diesel Fuel and Water Tank Level Sensor

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