• For extractive gas analysis
  • For emission and process monitoring
  • For adjustment and monitoring of sample gas flow
  • For adjustment and monitoring of bypass and calibration gas flow
  • For integration in gas analysis systems


  • Reliable and precise volume flow indication
  • No change of sample gas
  • Easy mounting and integration in gas analysis systems
  • Very long lifetime
  • Low and easy maintenance effort
  • Corrosion resistant
  • Gas tight


  • Many different measuring ranges possible
  • Calibration for air at 20 °C and 1,2 bara
  • Special calibration possible
  • For wall or front panel mounting
  • Measuring cone made of borosilicate glass, top and bottom fittings made of stainless steel or PVDF
  • Floating ball made of stainless steel or optional Hastelloy® C4, titanium, POM or glass
  • Different sealing materials like PTFE/Viton®, PTFE/FFKM, PTFE/EPDM or only FFKM resp. EPDM possible
  • Integrated precise needle valve
  • Can be equipped with one or two monostable resp. bistable limit switches also for Ex area
  • Compact robust construction
  • Low dead volume
  • Suitable for high pressures and temperatures
  • Variable connection technology
JDM  is listed within following categories:


Data Sheets

JDM Datasheet

Product Inquiry JDM