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Intelligent Level Transmitter 4000-SAN with metallic diaphragm

The all stainless series 4000-SAN level transmitter has a flush diaphragm. Various hygienic connections, flanges or threaded connections. This microprocessor based transmitter can easily be programmed using the unique programming button and display.



  • All stainless steel housing
  • Adjustable with programming button, without test pressure
  • Graphic display with backlight
  • All current process connections
  • Various linearisation functions


Technical details

 Measuring range min. max.   0,03…100 bar
 Process temperature  -20 °C…+100 °C (145 °C /45 min), option HT max. 280 °C
 Accuracy  0,075 % of adjusted span
 Process connections  Hygienic connections, flanges and threaded connections, all with flush diaphragm 
 Turn down  20:1
 Output  4-20 mA 2-wire with option HART protocol, Profibus PA
 Adjustment  With programming button and display, without test pressure or with HART
 Display  Multilingual, with bargraph, backlight and process temperature reading
 Power supply  12 - 36 Vdc (Ex: 12 - 30 Vdc)
 Protection  IP66 (option IP68)
 Ambient temperature  -20 °C...+70 °C
 Diaphragm material  AISI 316L, option Hastelloy C, Tantalum or Gold plated
 Wetted parts  AISI 316L
 Electronics housing  AISI 304, option AISI 316

 Explosion safety: ATEX Ex-ia and IECEx Ex-ia (Optional T5 and T6)
 Sanitary standard: EHEDG, 3-A



Hydrostatic level measurement of liquids where a flush diaphragm is needed. Application mainly in the food industry, pharmaceutical industry and chemical industry. The transmitter is suitable for cleaning in place, both CIP and SIP. Weight measurement in tanks with linearisation in Tons.



  • 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