Relative humidity

Product No: P1520560

Principle

Dew or frost can be formed on the inside of windows, although one has the feeling that the air in the room is quite dry. A cellar cannot be dehumidified on warm days in summer by simply opening the cellar window. This experiment shows why.




Materiallist (Excerpt) Product Amount
Software Cobra4 - multi-user licence 14550-61 1
Cobra4 Wireless-Link 12601-00 1
Cobra4 Sensor-Unit Weather: Humidity, Air pressure,Temperature, Light intensity, Altitude 12670-00 1
Ceramic lamp socket E27 with reflector, switch, safety plug 06751-01 1
Cobra4 Wireless Manager 12600-00 1
Bell jar, 5 l 64156-00 1
Glass plate,220x220x8 mm, matt 40988-00 1
Water, distilled 5 l 31246-81 1
Filament lamp,220V/120W,w.refl. 06759-93 1
Support rod, stainless steel, l = 600 mm, d = 10 mm 02037-00 1
Boss head 02043-00 1
Pressure aerosol can, 125 ml 35006-00 1
Hand fan 35733-00 1
Dry cell, 1.5 V 11620-34 2
Rubber stopper, d = 35 / 29 mm, without hole 39259-00 1

Literature for this article als follows

Title Product Language
TESS und Demo advanced Handbuch Cobra4 Physik, Chemie, Biologie, Alltagsphänomene 01330-01 DEU
TESS and Demo advanced Manual Cobra4 Physics, Chemistry, Biology, Everyday Science 01330-02 ENG

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Product No: P1520560

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