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  • Measurement of mass flow direct output of standard volume flow
  • Highly accurate at small as well as higher flow rates
  • Pressure and temperature compensated by the thermal mass flow principle
  • Quick and easy installation via a ½" ball valve
  • No moving parts, thus low maintenance
  • Vanishingly low pressure drop due to vanishingly low blockage of the diameter
  • Can be used for compressed air and non-corrosive gases such as nitrogen, oxygen, argon, helium, etc.
Datasheet
User Manual

  • Measurement of mass flow rate, output of standard volume flow rate
  • High accuracy for both small and large flows
  • Pressure and temperature compensated by the thermal mass flow principle
  • Easy installation and removal of the sensor, the integrated measuring section can remain in the line for cleaning or recalibration of the sensor and can simply be closed with a sealing cap
  • No moving parts, therefore low maintenance
  • Vanishingly low pressure loss due to vanishingly low blockage of the diameter
  • Can be used for compressed air and non-corrosive gases such as nitrogen, oxygen, argon, helium, etc.
Datasheet
User manual

  • All wetted parts are made of stainless steel, especially for applications with high demands on cleanliness and surface quality
  • Rough industrial applications can be realized due to robust aluminum housing
  • Recommended for flammable gases such as natural gas, hydrogen, biogas, etc. due to ATEX or DVGW approval
  • Measurement of mass flow rate, direct output of standard volume flow rate
  • Highly accurate at small as well as large flows
  • Pressure and temperature compensated by the thermal mass flow principle
  • Quick and easy installation via a standard ½'' ball valve
  • No moving parts, therefore low maintenance
  • Vanishingly low pressure loss due to vanishingly low blockage of the diameter
Datasheet
User manual

Flow meter VA 570 is supplied with an integrated measuring section for compressed air and gas pipes. The measuring sections are available in flanged version or with R resp. NPT thread.



Datasheet

User Manual

User Manual

User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Integrated totalling function (totaliser) for calculating the total consumption
  • High accuracy: defined inner diameter (DN15) enables adjustment to standard volumetric flow
  • Easy to install and to operate

testo 6441 compressed air counter with integrated inflow/outflow, diameter DN15 (1/2), with analog, pulse and switch output

Datasheet
User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Integrated totalling function (totaliser) for calculating the total consumption
  • High accuracy: defined inner diameter (DN25) enables adjustment to standard volumetric flow
  • Easy to install and to operate

testo 6442 compressed air counter with integrated inflow/outflow, diameter DN25 (1), with analog, pulse and switch output

Datasheet
User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Integrated totalling function (totaliser) for calculating the total consumption
  • High accuracy: defined inner diameter (DN25) enables adjustment to standard volumetric flow
  • Easy to install and to operate

testo 6442 compressed air counter with integrated inflow/outflow, diameter DN25 (1), with analog, pulse and switch output

Datasheet
User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Integrated totalling function (totaliser) for calculating the total consumption
  • High accuracy: defined inner diameter (DN50) enables adjustment to standard volumetric flow
  • Easy to install and to operate

testo 6444 compressed air counter with integrated inflow/outflow, diameter DN50 (2), with analog, pulse and switch output

Datasheet
User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Integrated totalling function (totaliser) for calculating the total consumption
  • Flexible mounting with measuring block, pipe clamp or as a measurement fitting
  • Easy operation with a variety of options (signal outputs, physical unit, etc.)

testo 6446 compressed air counter for larger diameters, without probe removal, selectable diameters DN65 (2 1/2)/DN80 (3)/DN100 (4)/DN125 (5)/DN150 (6)/DN200 (8)/DN250 (10), with analog, pulse and switch output

Datasheet
User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Quick, safe assembly/disassembly of the bar probe thanks to reverse running protection and ball valve
  • Assembly of the whole transmitter possible under pressure
  • Easy operation with a variety of options (signal outputs, physical unit, etc.)

testo 6448 compressed air counter for the determination, monitoring and reporting of compressed air consumption

Datasheet
User Manual

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