P2680-P2690 Differential pressure gauges with diaphragm for the chemical industry

New: as pressure gauge multifunctional

with or without liquid filling
with or without electrical alarm contacts
with or without electrical output

Nominal size ND 100 and ND 160



  • Measuring chamber and case of corrosion resistant materials, stainless steel
  • Static pressure and overloadable up to 40 bar, optional up to 400 bar
  • Electric alarm contacts or electrical output
  • Flushing connection for the pressure chamber
  • Pressure connection according to DIN 19 213
  • Vibration-free display and long life term stability through liquid damping


  • 0....60 mbar to 0....40 bar


  • Level measurements in pressurised vessels,
  • Filter monitoring,
  • Flow measurement.

Models: P2680, P2681, P2683, P2684, P2690, P2691, P2693, P2694


Differential pressure gauges are ideal for the hard conditions and the resulting high demands on pressure measurement in production facilities in chemical industry and other comparable branches. The use of high quality materials such as stainless steel makes the measuring system and the case resistant against chemically aggressive media and ambient.

Depending on the application, the gauges can be delivered with filling liquid. The filling liquid provides wear-protection for the measuring system through dampening, should pulsating pressures and mechanical vibrations occur.

Differential pressure gauges with electrical alarm contacts or electrical output are suitable for controlling or regulating process sequences with the aid of the process pressure.


Principle item of these differential pressure gauges is the pressure chamber with two "hydraulically" con-nected diaphragms with a liquid bolster between the diaphragms. In case both diaphragms with a liquid bolster between the diaphragms are set under different pressure, the displacement into one direction is transformed by a movement to a proportional pointer deflection.


Principle Pressure gauge, Pressure difference, Pressure switch
Process Connection thread G ", thread NPT
Nominal diameter 1/2"
House Stainless steel
meetelement Roestvaststaal
uitgang Visueel, Contacten
Scale range 0..10 bar, 0..25 bar, 0..40 bar
Manometer diameter 100 mm, 160 mm
glycerine glycerine, niet gevuld
Brand Tecsis
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