Krohne
H250/RR/M9/K1
H250 Flowmeters with M9 indicator

Detail

Produced by Krohne

Technical data:

Highlights M9 indicator

  • Simple, low-cost installation: Measure and display without auxiliary power supply
  • Large scale for good readability
  • Modular and flexible to adapt to customer-specific applications
    - 2 limit switches (NAMUR or 3-wire transistor)
    - 2-wire analog output 4…20mA with HART - Profibus PA interface
    - 6-digit flow counter with pulse output (non Ex)
  • Optional stainless steel housing for corrosive atmospheres
  • International approvals for use in hazardous areas (ATEX, FM, CSA, NEPSI) and nuclear power plants (N/NPT stamp)

Highlights H250 measuring cone

  • Sturdy stainless steel construction for high operating pressure up to 3000 bar and extreme process temperatures from -200°C to +300°C
  • Optionally available with PTFE/ceramic liner for acids and alkalis
  • High application security, even with extremely small flows
  • Excellent long-term stability
  • Upper limit of measurement for liquids: 10 to 120,000 l/h (water: 20°C)
  • Upper limit of measurement for gases: 0.7 to 2800 m3/h (air: 20°C, 1.013 bar)
  • Accuracy 1.6 % of measured value acc. VDI/VDE 3513-2 (qG=50%)
  • Many different process connections
    - Flanges as per EN (DN15-DN100), ASME and JIS
    - Screw and clamp connections
  • Special design for the food and pharmaceutical industry with EHEDG approval

Further options

  • Magnetic filters, if the medium contains particles which can be magnetically influenced
  • Float damping for pulsating flows or low operating pressure (especially when measuring gases)
  • Display damping ensures measured value is easy to read

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