Relative Humidity; Maintenance And Service; Maintenance And Cleaning; After-Sales Service And Application Service - Bosch GIS 1000 C Professional Manual Original

According to DIN 4108-2, the minimum requirement of a
heat shield is met if the temperature factor f
0.7.
The temperature factor f is calculated as follows:
Rsi
T – T
1 2
f =
Rsi
T – T
3 2
T
T : Internal surface temperature
1
T : External temperature
2
T : Internal ambient temperature
3
The minimum heat shield acts to avoid mould under stand-
ard boundary conditions. This avoids buildings being put in
danger.
Under standard conditions (external temperature of –5 °C,
internal ambient temperature of 20 °C), the surface temper-
ature should not fall under 12.6 °C. This corresponds to an
f limit value of 0.7. For as meaningful a result as possible
Rsi
(small uncertainty), the external temperature should be un-
der 10 °C.

Relative humidity

The relative humidity indicates the degree to which the air is
saturated with water vapour. The value is indicated as a per-
centage of the maximum amount of water vapour the air can
absorb. The maximum amount of water vapour depends on
the temperature: The higher the temperature is, the more
water vapour the air can absorb.
If the relative humidity is too high, there is an increased risk
of mould. If the relative humidity is too low, it may have a
negative impact on your health.
Dew point temperature
The dew point temperature indicates the point at which the
water vapour in the air starts to condense. The dew point
temperature depends on the relative humidity and the air
temperature.
If the temperature of a surface is below the dew point tem-
perature, water will start to condense on this surface.
Condensate on surfaces is one of the main reasons why
mould forms.

Maintenance and Service

Maintenance and Cleaning

Keep the measuring tool clean at all times. A dirty infrared
reception lens (23) may impair the measuring accuracy.
Wipe off any dirt using a dry, soft cloth. Do not use any de-
tergents or solvents.
When cleaning the measuring tool, ensure that no liquids
enter the tool.
Clean the humidity and temperature sensor (5),
camera (22), reception lens (23), light (24) and laser outlet
Bosch Power Tools
is larger than
Rsi
T T
3 1 2
aperture (2) particularly carefully. Make sure that there is no
lint on the camera, reception lens or laser beam outlet aper-
tures. Only clean the camera, reception lens and laser beam
outlet apertures with cleaning products that are also suitable
for camera lenses. Do not attempt to remove dirt from the
sensor, camera or reception lens using pointed objects, and
do not wipe over the camera and reception lens (risk of
scratching).
Do not store the measuring tool for extended periods where
the atmospheric humidity is outside the range of 30 % to
50 %. If the measuring tool is stored in conditions that are
too damp or too dry, it can result in inaccurate readings.
The air humidity sensor is inherently sensitive to solvents,
adhesives and softeners. Being influenced by such sub-
stances in the long term can lead to deviations in the meas-
ured air humidity.
Do not store the measuring tool in a plastic bag, as the evap-
oration could damage the humidity and temperature
sensor (5). Do not affix any stickers near to the sensor on
the measuring tool.
Please contact an authorised Bosch after-sales service
centre if you want to have your measuring tool recalibrated.
Only store and transport the measuring tool in the protective
bag provided.
If the measuring tool needs to be repaired, send it off in the
protective bag.

After-Sales Service and Application Service

Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion drawings and information on
spare parts at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you
with any questions about our products and their accessor-
ies.
In all correspondence and spare parts orders, please always
include the 10‑digit article number given on the nameplate
of the product.
Malaysia
Robert Bosch Sdn. Bhd.(220975-V) PT/SMY
No. 8A, Jalan 13/6
46200 Petaling Jaya
Selangor
Tel.: (03) 79663194
Toll-Free: 1800 880188
Fax: (03) 79583838
E-Mail: kiathoe.chong@my.bosch.com
www.bosch-pt.com.my
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts or arrange
the collection of a product in need of servicing or repair.
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1 609 92A 4X3 | (21.12.2020)