Dutch website version

DP-4000 Differential Pressure Transmitter

Previous Next

All stainless differential Pressure Transmitter DP-4000

The DP-4000 is an advanced differential pressure transmitters with a compact and robust stainless steel housing. This microprocessor based transmitter can easily be programmed using the unique programming button and display.



  • All stainless steel housing
  • Adjustable with unique programming button
  • Graphic display with backlight
  • Local indicator (option)
  • Intrinsically safe ATEX and IECEx: Ex ia IIC T6 Ga


Technical details

 Measuring range min. max.  10 mbar…20 bar
 Static pressure  Max. 160 bar option 250 bar
 Process temperature  -20 °C…+100 °C
 Accuracy  0,075 % option 0,065 %
 Process connections  1/4 -18 NPT female, option ½”NPT
 Turn down  Max. 100:1
 Output  4-20 mA 2-wire + HART protocol (version 7.0), 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, option Hastelloy C
 Material sensor gasket
 Viton, option PTFE or NBR
 Electronics housing  AISI 304, option AISI 316

 Explosion safety: ATEX Ex-ia and IECEx Ex-ia (Optional T5 and T6)



Differential pressure measurement on gasses, steam and liquids in all industries. Level measurement in closed tanks. For this the internal tank linearisation can be used. The DP-4000 can also be supplied with chemical seals. Square root function on board for flow measurement.


AccessoriesKlay Instruments 3- en 5-weg manifold

  • 3-way manifold
  • 5-way manifold


  Send your question



download documentatie
download handleidingen
download certificaten
download software
Device Description (DD) (Not yet available)

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