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Table 3
Type
Colour code
A
Brown
B
Grey
E
Yellow
K
Green

LIMITATIONS OF USE

Table 4 for negative pressure
Device class
Half mask with P3 filter
Full face mask or respirator with P3 filter
Half mask with gas filter
Full face mask or respirator with gas filter
Devices with combination filter
Allocation of the power assisted filtering devices into device classes
Powered air purifying respirator systems are grouped in device classes according to their respiratory protection capacity.
Table 5
Device class
Powered filtering devices incorporating helmets/hoods, full masks and
particle filters
TH1PR
TH2P R
TH3P R
TM3P R
Powered filtering devices incorporating helmets/hoods, full masks and gas
2)
filters
TH1
TH2
TH3
TM3
This information is correspondingly applicable for combination filters.
The device classes of the compiled combination of components: Filter, powered air supplying unit and head piece, see the
corresponding user manual.
Main use
Organic gases and vapours with a boiling point
> 65°C
Inorganic gas and vapours (no CO)
Sulphur dioxide, hydrogen chloride and other
acidic gases
Ammonia and organic ammonia derivative
Multiple of the limit
Multiple of the limit
value (LV
5
20
100
500
5
20
100
500
3
Class
1
2
3
1
2
3
1
2
3
1
2
3
value
30
400
Only when the max. permissible gas concentration
30
(see table 1) is not exceeded.
Only when the max. permissible gas concentration
400
(see table 1) is not exceeded.
You should use the closest "Multiple" of the limit value
for the gas- or particle filter.
1
)
The "open" breathing systems, helmets or hoods, do not
provide sufficient protection when the powered air
supplying unit fails or degrades.
Devices without appropriate warning devices and devices
of class TH1P may therefore not being used against
carcinogenic, very toxic and radioactive substances,
micro-organisms (viruses, bacteria and fungi) and
enzymes.
The "open" breathing systems, helmets or hoods, do not
provide sufficient protection when the powered air
supplying unit fails or degrades.
Devices without appropriate warning devices and devices
of class TH1P may therefore not being used against
carcinogenic, very toxic and radioactive gases and
vapours.
On devices with combination filters the respective
restrictions apply for the gas- and particle filters.
Max. permissible gas concentration
0.05% in vol
0.1% in vol
0.5% in vol
0.05% in vol
0.1% in vol
0.5% in vol
0.05% in vol
0.1% in vol
0.5% in vol
0.05% in vol
0.1% in vol
0.5% in vol
Remarks/restrictions
Comments, restrictions

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Th2p rTh3p rTm3p rTh1Th2Th3 ... Alle anzeigen

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