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휴대용 실내미세먼지 측정장치 [PORTABLE & STATIONARY Indoor Dust Monitors] > 실내환경 측정

휴대용 실내미세먼지 측정장치 [PORTABLE & STATIONARY Indoor Dust Monitors] 요약정보 및 구매

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 a8c04c260eedc7e2f7f0c831fa320202_1582766 

 

PORTABLE AEROSOL SPECTROMETER
DUST DECODER 11-D

 


The model 11-D, in its compact and rugged design,
combines all advantages of the previous portable
GRIMM aerosol spectrometers with the improved
optical detection, long-term battery operation,
and facilitated handling.
This configuration places the 11-D in the leading
position of the portable aerosol spectrometers for
monitoring inhalable, thoracic and respirable dust,
PM values, and particle number concentration.
The 11-D is the optimal solution for reliable, flexible and
real-time measurements for aerosol research and
indoor air quality, e.g. at workplaces, interior of
vehicles, or for process analysis.

 

 

FEATURES

 

• real-time monitoring of particle number, occupational
dust mass fractions, and PM values
• additional information on particle number, particle
surface, and dust mass distribution
• 31 equidistant size channels, PSL traceable
• integrated 47 mm PTFE filter (GRIMM dual
technology)
• versatile data aquisition and communication
interfaces (Bluetooth, USB, Ethernet, RS-232)
• rinsing air for protecting laser and detector in
optical cell
• internal sensor for temperature (T) and relative
humidity (RH) in optical cell
• total inlet flow (1.2 L/min) analyzed in optical cell
• self-test of all optical and pneumatic components
for high quality standards

 

 

APPLICATIONS

 

• aerosol science
• PM2.5 in indoor environments according to VDI
4300, part 11
• Indoor Air Quality (IAQ) in buildings and vehicles
• process control in industry
• workplace monitoring (inhalable, thoracic,
respirable) according to EN 481
• monitoring of Permissible Exposure Limit (PEL)
with high time resolution
• dust pollution measurements

 

 

 

TECHNICAL DATA

 

 

 

SPECIFICATIONS

 measured parameters

 Enviro: TSP, PM10, PM4, PM2.5, PM1, and PM coarse
IAQ: dust fractions acc. to EN 481 (inhalable, thoracic, respirable),
pm10, pm2.5, pm1
number concentration and size distribution

 dust mass

 0 – 100 000 μg/m3

 particle size range

 0.253 - 35.15 μm

 size channels

 31, equidistant

 particle number

 0 – 3 000 000 p/L, diluter available for higher concentrations

 reproducibility

 > 97% of total measuring range, according to ISO 21501-1

 

 

 

 FUNCTION

 detection principle

 light scattering at single particles with diode laser;
detection volume aerodynamically focused, no border zone

 detector

 error fast signal processing, 2 x 16 raw data channels

 time resolution

 6 s, 31 channels (selectable storage intervals)
1 s, 16 channels (either 0.253 - 2.982 μm or 2.982 - 35.15 μm)

 volume flow rate

 1.2 L/min, ± 3% constant due to self-regulation, according to
ISO 21501-1; automatic altitude correction up to 5000 m

 internal rinsing air flow rate

 0.4 L/min, protects laser optics, reference air for self-test

 gravimetric control

 47 mm PTFE filter

 

 

HANDLING

 operation

 keypad or PC with GRIMM software (wireless or data cable)

 connectivity

 Bluetooth, RS-232, Ethernet

 analog input

 1 port (0 – 10 V) for external sensors

 power supply

 in: 100 – 240 VAC, 47 – 60 Hz, out: 13 VDC, 2.5 A

 power consumption

 5.4 W

 battery

 Li-ion battery, 10.8 V, 6.8 Ah for minimum 10 h operation
with desktop smart quick charger

 operating conditions

 +4 to +40°C (39 - 104°F), RH < 95%, non-condensing,
non-corrosive or explosive gases

 storage and transport

 -20 to +50°C (-4 – 122°F), RH < 95%

 dimensions (h x w x d)

 27 x 13 x 7 cm (10.5 x 4.8 x 2.6 in)

 weight

 1.9 kg (4.2 lbs)

 

 

ACCESSORIES

 1179

 GRIMM softwar e for 11-D

 1146-11-D

 GPS receiver

 1152

 isokinetic sampling probe for 4 - 25 m/s

 1145A

 carrying bag

 1158-TRH

 external sensor for temperature and relative humidity

 1159-10, 1159-100

 capillary diluter (1:10 or 1:100)

 

 

 


 

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