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Universal Level Switch Vibraswitch-S

Robust tuning fork level switch. All stainless steel and suitable for all liquids. The sensor is being oscillated electronically and records the difference in resonance frequency for switching.



  • Robust and compact
  • Stainless steel housing
  • Various process connections
  • No adjustment needed


Technical details

 Insertion length min. max.  47 mm, 100 mm… 3 m
 Process temperature  -40 °C…+120 °C
 Pressure  -1… +40 bar 
 Process connections  1” BSP, flanges and hygienic connections
 Output  3-wire PNP (n.c./n.o), adjustable with dip-switch
 Output indication
 LED (status)
 Power supply  12 - 40 Vdc
 Viscosity   10.000 mm²/s (cSt)
 Protection  IP67
 Wetted parts  AISI 316L, ra < 1,5 μm
 Electronics housing  AISI 304
 Ambient temperature  -40 °C…+70 °C



Maximum and minimum level detection of liquids in tanks. Minimum level detection in conduits as dry run protection of pumps.



  • Welding nipples for several connections


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About Klay

Dutch manufacturer of process instrumentation. A flexible organisation and wide diversity in design of products. Our instruments are being used for industrial automation.


Klay Instruments B.V.
Nijverheidsweg 5
7991 CZ Dwingeloo
Tel +31 521 591 550
E-mail info@klay.nl