In the European Union electronic equipment
must not be treated as domestic waste, but
must be disposed of professionally in ac-
cordance with Directive 2002/96EU of the
European Parliament and Council of 27th
January 2003 concerning old electrical and electronic
equipment. At the end of its life please dispose of this
instrument in a manner appropriate to the relevant legal
requirements.
Scope of delivery
BC 20 humidity/temperature measuring device, 9 V
block battery, Operating instructions, Storage box.
Product description
The BC 20 is a high-quality measuring instrument for the
measurement of relative humidity, dew point, wet bulb
B - 3
temperature and current air temperature. This sturdy and
handy appliance has a high-precision, fast responding
branded semiconductor sensor and is factory calibrated.
Replacing the battery
If the battery symbol is shown in the display, the bat-
teries must be replaced as soon as possible to prevent
erroneous measurements.
Proceed as follows to replace the batteries:
• Switch off the measuring instrument.
• Loosen the battery compartment screw on the back of
the device, and slide the lid of the battery compart-
ment (7) out of the housing.
• Replace the flat battery with a new one of the same
type (e.g. 1604A).
• Close the measuring device again carefully in reverse.
Operating manual – humidity & temperature meter Bc20
G