Process instrumentation for all industries


Klay Instruments pressure differential transmitters
• Pressure transmitters
• Differential pressure transmitters


Klay Instruments level submersible transmitters
• Level transmitters
• Submersible transmitters
• Level switches


Klay Instruments flow measurement with differential pressure transmitter
• Flowmeasurement with differential pressure transmitter


 Klay Instruments Temperature sensors
• Pt100 temperature sensors
• Temperature transmitters

Klay Instruments

Dutch manufacturer of instrumentation for the process industry. Our instruments are being used for measuring pressure, level, temperature and flow.

The all stainless steel design is a key feature of our instruments together with the flexibility in design of products. All current industrial process connections can be supplied. Klay Instruments is ISO 9001:2008 certified.

With distributors in more then 50 countries we can supply the right instrument for your application worldwide.

Klay Instruments at the International Cheese Tech Expo

Wisconsin Center, Milwaukee USA

Klay Instruments will be exhibiting at the 2018 International
Cheese Technology Expo.
A leading event for cheese & dairy technology.
Be sure to visit us in booth 1816!

> Read more about this event

New: TT-4000

High end intelligent temperature transmitter

The Series 4000 have been extended with the intelligent temperature transmitter TT- 4000.
This easy programmable temperature transmitter is the choice for accurate measuring and reading.
All stainless steel naturally and available with many different process connections. Check out the details below.

  • All stainless steel
  • Accuracy 0.1% (optional 0.075%)
  • Easy adjustable with programming button
  • Standard graphic display with backlight
  • Output options HART, Profibus PA
  • Option ATEX / IECEx Ex-ia

> Read all about this new accurate temperature transmitter

New: TT-4000 Klay Instruments High end intelligent temperature transmitter

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
Fax +31 521 592 046