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Magnetic Inductive flow meter
Type: EPX

Development at the highest level

“High end” simulation technology enables the analysis and coupling of different models such as CSD (FEM), CFD, CEM, FSI, TFSI, saving much of the time that would have had to be invested in finding solutions in the past. This is our way in the future to solve highly complex measurement tasks for our customers.

By using the latest technologies, we are able to quickly identify and overcome application obstacles and provide optimal solutions for our customers.

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Pressure loss-free volume flow measurement of electrically conductive liquids in potentiallyexplosiveatmospheres

Special features
  • ATEX approval
  • High accuracy
  • No maintenance required
  • No pressure drop
  • Wide spectrum of electrode materials.
  • Many liners available
  • Grounding electrode instead of grounding rings
  • Large selection of process connections.
Sensor EPX
  • Fitting: painted steel Ex IIG or stainless steel Ex IID
  • Process connections: Steel or stainless steel flanges (1.4301 / SS316) EN1092 and ASME
  • Linings: Hard rubber, soft rubber, E-CTFE, PTFE,
  • Measuring and grounding electrodes: stainless steel 1.4571, Hastelloy, tantalum, platinum (grounding rings and other materials on request)
  • Nominal sizes: DN15 to DN 300
Nominal pressure:
  • PN40, ASME Cl150/300 DN15 to DN50
    PN16, ASME Cl150 DN65 to DN200
    PN10, ASME Cl150 DN250 to 300 (higher pressure ratings on request)
  • Process temperature:
    Hard rubber -35….+64°C(T6)
    Soft rubber +5…..+64°C (T6)
    PTFE -35…+64°C (T6) ..+79°C(T5) ..+114°C(T4) ..+139°C(T3)
  • Ambient temperature: -35°C to +60°C
  • Conductivity: >5 µS/cm
    >20 µS/cm for demineralized water
  • Measuring range limits: 0.1 m/s – 10 m/s
  • Accuracy: ± 0.3 % of measured value ± 0.01 % * (Q at 10 m/s) (under reference conditions)
  • Repeatability: ± 0.15 % of measured value ± 0.005 % * (Q at 10 m/s) (under reference conditions)
  • Protection class: IP67 (EN60529), IP68 on request
  • Installation: integral or remote
  • Housing: Aluminum die cast, coated
  • Power supply: 90…253V AC 50/60Hz, 24V DC ±20%


  • Analogue: 1x 0/4-20mA HART, passive, galvanically isolated
  • Pulse: passive, galvanically isolated, Um=30VDC
  • Status: passive, galvanically isolated, Um=30V,
  • Ambient temperature: -20°C to +60°C
  • Protection class: IP67
  • Diagnostic Functions: Empty pipe detection, exciter current monitoring
Explosion protection

Ex II(1G) 2G Ex d e [ia Ga] IIB T6/T4/T3 Gb
Ex II(1G) 2D Ex tb IIIC [ia Ga] T80 °C / T125 °C / T 150 °C Db


HART® Protocol