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Protective sleeve
can only be tou-
ched at the
points indicated!
Sensor
Comfort level probe
0628.0009
Room air quality and comfort level measurement
The comfort level probe 0628.0009 fullfils the requi-
rements of DIN EN 13779.
The probe can be connected to the velocity measuring instruments testo 445, testo 400, as well as the testo 454 data log-
ger. The degree of turbulence function is built-in in the testo 400
and testo 454 instruments.
Avoid all contact with sensor otherwise it may irrepa-
rably damaged.
Replace protective sleeve upon completion of
measurement.
The protective sleeve should only be touched at
the points indicated (see diagram left).
Technical data
Velocity measuring range: 0 to 5 m/s
Temperature measuring range: 0 to 50 °C
Temperature accuracy: ±0.3 °C
In the case of still air (< 0.5 m/s) the air temperature shown in the display
increases slightly.
Calibration conditions: Centre of free jet: Ø 350 mm,
22 °C, 1013 mbar, marking is
Calibration accuracy applies to: 22 °C; ±5 °C
Velocity 0 to 5 m/s: ±0.03m/s; ±4 % of m.v.
Response time t63 for
changes in velocities: <0.2 s
Ordering data
Comfort level probe (velocity and temperature)
with stand ..................................................................0628.0009
www.GlobalTestSupply.com
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