Turbine Flow Meters with Ermeto Fittings (HM-E)

  • Measuring ranges:
    0.3 to 500 l/m 
  • Viscosity:
    0.1 up to 100 mm²/s
  • Linearity:
    ±0.5 % of actual value
  • Pressure: 
    up to 630 bar
  • Fluid temperature: 
    –273 up to +350 °C
  • Repeatability‚Äč: 
    ± 0.1%
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Turbine Flow Meters for the precise measurement of instantaneous flow rates and flow quantities of low-viscosity fluids as tap and demineralized water, fuels, liquefied gases, solvents, light fuel oil and pharmaceutical fluids.

HM…E turbines are equipped with Ermeto fittings.

Advantages:

Fast response time and high resolution

The turbine wheel’s low moment of inertia allows a fast acceleration from standstill up to full number of revolutions within 5 to 50 msec.

For that reason dynamic measurements can be done. The resolution can amount to as much as 139,000 pulses per liter.

Wide temperature range from –273 up to +350 °C

Standard turbine flow meters: -20 up to +120 °C

Special models for cryogenic liquids: -273 °C

Special models with high temperature pickups: up to +350 °C

Low contamination risk:

The spacing of the turbine wheel and bearing mount is wide enough to protect against particles in fluid jamming the turbine wheel. Furthermore the twist of flow in this area has a self-cleaning effect for the bearing.

General Specification
Measuring ranges 0.3 to 500 l/m
Viscosity range 0.1 up to 100 mm²/s
Linearity ±1% of actual value
Pressure Up to 630 Bar
Repeatability  0.1 % 
Accuracy Up to 0.1%
Material
Housing

As per DIN 1.4305 (SS303); 1.4404 (SS316 L)

Wheels As per DIN 1.4122; 1.4460 (SS329)
Bearings Carbide
Medium temperature -196 to +350°C (higher temperatures on request)

 

Tap and demineralized water

Fuels

Liquefied gases

Pharmaceutical liquids

Fuel oil

Solvents

Hydraulic oil