NST - PTFE Tethered Float Level Switches

Brand: KOBOLD Instruments, Inc

KOBOLD NST PTFE tethered float switches enable easy monitoring of liquid levels. 

To control filling levels, install two of these rugged, mechanical float switches with one positioned as a minimum and the other as a maximum limit switch. 

The plastic switches can then be connected to a suitable latching relay (such as our MSR- series, sold separately) for automatic level control. 

Consider a tethered float switch wherever stem-mounted magnetic liquid level switches are unsuitable due to the risk of the float jamming with metallic debris or coating media.
  • For All Types of Chemically Aggressive Liquids
  • SPDT Reed Switch (Mercury-Free)
  • All PTFE/FEP Construction
  • Suitable for High Temperatures


Maximum Temperature

  • 302° F

Maximum Pressure

  • 15 psig

Wetted Materials

  • PTFE Float
  • FEP-Clad Cable


  • SPDT Reed Switch

Switch Rating

  • 4 to 250 Vac/ Vdc, 60 VA, 1 mA to 1 A Max.

Media Density

  • 0.79 S.G. Min.


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