Dewpoint transmitter to -45 °Ctd - testo 67400 pages
We measure it.
nnnntesto 6740
nnnnDewpoint transmitter to -45 °C
nnnntd
nnnnSPECIFICATIONS
nnnnSPECIFICATIONS
nnnntesto 6740
nnnnMeasurement of dewpoints in the range from
nnnn-45 °Ctd to +30 °Ctd
nnnnTesto polymer humidity sensor with high accuracy
nnnnand long-term stability
nnnnConvenient operation via the display menu
nnnnAnalog output 4 to 20 mA (2-wire) and optional
nnnnalarm plug with 2 integrated switch outputs
nnnnCompact design with rotatable housing by 350° for
nnnnoptimum positioning of display
nnnnDisplay with operating menu (optional)
nnnnTrace humidity adjustment without reference
nnnnmeasuring instrument
nnnnpossible on site with accessory (2-point
nnnnadjustment device), replaces expensive adjustment
nnnnwith dewpoint mirror
nnnntesto 6740
nnnnThe testo 6740 was especially developed for trace
nnnnhumidity measurement in compressed or dry air (e.
nnnng. granulate dryers). Thanks to a special adjustment,
nnnnoptimum accuracy in the trace humidity range has
nnnnbeen achieved. The result of the development of the
nnnntesto 6740 is a measuring range of -45 °Ctd to
nnnn+30 °Ctd and excellent accuracy.
nnnnFor the display of the relevant trace humidity
nnnnparameters, a freely scalable analog output is
nnnnavailable, optionally with a switch contact plug for
nnnnMAX monitoring. In addition to this, the testo 6740
nnnnstands out thanks to its compact and user-friendly
nnnndesign, such as the rotatability of the housing by
nnnn350° for the optimum positioning of the display.
nnnnAreas of application:
nnnn• Refrigeration dryers
nnnnMembrane dryerser
nnnnAdsorption dryers
nnnnGranulate dryers
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