Datasheet

Application information en
Usage
With the testo Comfort Level Probe 0628 0109 in combination with a compatible testo
measuring instrument (e.g. testo 435), the degree of turbulence can be measured, which
is an important factor in evaluating the quality of room air.
Delicate measuring sensor
Damage tto tthe ssensor!
i Do not touch the sensor ().
i Touch the protective sleeve only below the
protective basket (
).
i Push down the protective sleeve only to make
a measurement. Replace the protective sleeve
over the measuring sensor after every
measurement
Technical Data
Characteristic Values
Meas. range temperature 0...+50°C/+32...+122°F
Accuracy temperature ±0.3°C/±0.6°F, in still air (v < 0.5m/s) slight increase
in displayed temperature
Meas. range flow 0...+5m/s
Accuracy flow ±(0.03m/s + 4% of m.v.) at +17...+27°C / +63...+80°F
Reaction time t63: <0.2s
Calibration conditions Centre of free jet Ø350mm, 22°C/71.6°F, 1013hPa,
marking is blown upon
Norms DIN EN 13779
testo Comfort Level Probe
0628 0109