• for low viscosity liquids or gases
  • Low-Cost-version
  • brass or st. steel versions available
  • for pipe sizes from 1/4" to 1 1/4".
  • scales are burned into glass
  • any mounting position
  • with switch contact and/or analogue transmitter
  • max. pressure: 16 bar, max. temperature: 160 °C
  • ranges:
    0.08 - 0.95 GPH ... 16 - 40 GPM water
    5 - 60 ml/min ... 60 - 150 l/min water
    0.4 - 2.75 SCFH ... 7.0 - 22.0 SCFM gas
    0.2 - 1.3 Nl/min ... 200 - 625 Nl/min gas

More informations

The flowmeter and switch model DS01 works according to a modified variable area principle. The float is guided in a cylindrical measuring glass by means of a spring. The flowing medium moves the float in the flow direction.

The upper edge of the float shows the momentary flow via a burnt-in scale on the measuring glass. A Reed contact is mounted outside the meter in a sealed housing.

When the float reaches the position of the Reed contact the switch will close. With higher flows the float moves further upward until it reaches a built-in float stop, still keeping the switch closed. This ensures a bistable switch function at any time. The Reed contact is adjustable over the full switching range of the meter.

Typical applications

The variable area flowmeters and monitors DS01 are used to measure and monitor continuous flow rates of low-viscosity liquids or gaseous media.

Areas of applications are:

  • cooling systems
  • engineering
  • medical technology
  • pharmaceutical and chemical industries
  • research and development

PDF Information

For Further Information

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Variable Area Flowmeters

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