testo 6743, compressed air counter, diameter DN40 (1 1/2”), with analog, pulse, and switching output

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  Selectable analog signal outputs and optional display (depending on configuration)

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  • An **external interface** for adjustment and analysis saves time and reduces costs for commissioning and maintenance
  • Optional display

  testo 6321 differential pressure transmitter, accuracy **±1.2%** of the measuring range, **automatic “zero point” adjustment**, selectable measuring ranges from **100 Pa to 2000 hPa**, selectable analog signal outputs, external digital interface for adjustment and parameterization, optional display.

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  testo 6742, compressed air counter, diameter DN25 (1”), with analog, pulse, and switching output

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  testo 6742 dew point transmitter, measuring range down to -45°Ctd, **without display**, connection type NPT1/2, analog signal output 4…20 mA, optional signal module connector with two switching outputs.

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  testo 6383, differential pressure transmitter

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  • The flat housing allows for flush mounting on the cleanroom wall
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  testo 6741, compressed air counter, diameter DN15 (1/2”), with analog, pulse, and switching output

  Compressed air counter with various signal outputs: analog output, pulse output, 2 switching outputs
  Totalizing function (totalizer) for calculating overall consumption
  High accuracy: thanks to a defined nominal diameter (DN15), you can adjust the standard volumetric flow rate

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  Product Description
  The testo 6741 instrument was specifically designed for measuring residual moisture in compressed or dry air (adsorption dryers). This type of measurement is successfully carried out thanks to the Testo humidity sensor and its proven and well-established long-term stability. The sensor’s effectiveness has been repeatedly confirmed through tests in international calibration laboratories (PTB, NIST, etc.), where the error limit of ± 1% RH was not exceeded for 5 years without sensor readjustment. Optimal accuracy is achieved due to special tuning in the residual moisture range.