Maintenance And Service; Maintenance And Cleaning; After-Sales Service And Application Service; Français - Bosch PTD 1 Manual Original

16 | Français
Thermal bridge
A thermal bridge is defined as a position on the external wall
of a building, where there is a localised increase in heat loss
due to a structural defect.
Thermal bridges can lead to an increased risk of mould.
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

Check the measuring tool before each use. If the meas-
u
uring tool is visibly damaged or parts have become loose
inside the measuring tool, safe function can no longer be
ensured.
Always keep the measuring tool clean and dry to ensure op-
timum, safe operation.
Never immerse the measuring tool in water or other liquids.
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.
In particular, clean the humidity and temperature
sensor (1), the reception lens (2) and the laser outlet
aperture (3) very carefully:
Ensure that there is no lint on the reception lens or the laser
outlet aperture. Do not attempt to remove dirt from the
sensor or the reception lens using pointed objects. If neces-
sary, you can carefully blow away dirt using oil-free com-
pressed air.
Do not store the measuring tool in a plastic bag, as the evap-
oration could damage the humidity and temperature
sensor (1). Do not affix any stickers near to the sensor on
the measuring tool.
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.
1 609 92A 4NX | (20.04.2021)
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.
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.
Tel. Service: (0344) 7360109
E-Mail: boschservicecentre@bosch.com
You can find further service addresses at:
www.bosch-pt.com/serviceaddresses
Disposal
Measuring tools, battery packs/batteries, accessories and
packaging should be sorted for environmentally friendly re-
cycling.
Do not dispose of the measuring tools or re-
chargeable/non-rechargeable batteries with
household waste.
Only for EU countries:
According to the Directive 2012/19/EU, measuring tools
that are no longer usable, and according to the Directive
2006/66/EC, defective or used battery packs/batteries,
must be collected separately and disposed of in an environ-
mentally correct manner.
Français
Consignes de sécurité
Pour une utilisation sans danger et en toute
sécurité de l'appareil de mesure, lisez atten-
tivement toutes les instructions et tenez-en
compte. En cas de non-respect des pré-
sentes instructions, les fonctions de protection de l'ap-
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