Thermal anemometer - testo 4250 pages
Thermal
nnnnanemometer
nnnntesto 425 - With fixed flow velocity
nnnnprobe
nnnnMeasurement of flow velocity, volume flow and temperature
nnnnPoint and timed mean value calculation
nnnnMax./min. values
nnnnHold button for freezing measurement value
nnnnDisplay illumination
nnnnAuto-off function
nnnnTopSafe, protection of the instrument from dirt and impact
nnnn(optional)
nnnntesto 425 is a compact anamometer with a fixed thermal
nnnnflow velocity probe. The probe head has a diameter of 7.5
nnnnmm. With the extendable telescope (length max. 820 mm),
nnnnthe measuring instrument is suitable for flow velocity
nnnnmeasurement in ducts. The testo 425 also measures
nnnnextremely accurately in the low flow velocity range.
nnnnThe volume flow is directly shown in the display. For the
nnnnpurposes of volume flow calculation, the duct area can be
nnnneasily entered into the testo 425. In addition to this, the
nnnninstrument can be switched over to display the current
nnnntemperature. Timed and point mean value calculation
nnnnprovide information on the average volume flow, flow
nnnnvelocity and temperature measurement value. The Hold
nnnnfunction allows the current measurement value to be frozen
nnnnin the display, min./max. values are also displayed at the
nnnnpress of a button.
nnnnwww.testo.com
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