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휴대용 광범위 나노 파티클 모니터 [PORTABLE NANOPARTICLE AND DUST MONITOR] 요약정보 및 구매

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 a8c04c260eedc7e2f7f0c831fa320202_1582764 

 

 

 

MINI WIDE RANGE AEROSOL SPECTROMETER
MiniWRAS 1371

 

 

The compact Wide Range Aerosol Spectrometer
(MiniWRAS) is the only portable instrument on
the market that allows simultaneous and real-time
monitoring of both dust and nanoparticles.
Designed and specifically built for indoor air quality
monitoring, the MiniWRAS is a fit for purpose, state-ofthe-
art system that combines optical and electrical particle
detection in one instrument.
The MiniWRAS features the measurement of an
ultra-wide particle size range from 10 nm - 35 μm in
41 high resolution particle size channels and the
simultaneous measurement of pm10, pm2.5 and pm1
with remote instrument control and wireless data
transmission. This portable and ready-to-use instrument
can be flexibly deployed for various IAQ
monitoring projects.

 

 

FEATURES

 

• ultra-wide size range from 10 nm to 35 μm
• pm10, pm2.5, pm1 and particle size distribution, particle
surface, and dust mass
• high precision over 41 equidistant channels
• no consumables
• non-radioactive particle charger
• versatile data aquisition and communication
interfaces (Bluetooth, USB, RS-232)
• easy to use with GRIMM software
• optional sensor for temperature and relative
humidity
• self-test of all optical and pneumatic components
for high quality standards
• rinsing air for protecting laser and detector in
optical cell

 

​APPLICATIONS

• nanoparticle and PM monitoring
• Indoor Air Quality (IAQ) in buildings
• IAQ in vehicles, airplane cabins, cockpits, busses,
trains
• nanoparticle source identification
• workplace monitoring
• R&D testing in industry

TECHNICAL DATA

SPECIFICATIONS

 measured parameters

 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

 10 nm – 35 μm (10 – 193 nm electrical, 0.253 – 35 μm optical)

 size channels

 41 (10 electrical and 31 optical)

 particle number

 3 000 – 500 000 p/cm3 (electrical)
0 – 3 000 000 p/L (optical)

 reproducibility

 > 97% of total measuring range (optical)

 

 

FUNCTION

 detection principle optical

 light scattering at single particles;
detection volume aerodynamically focused, no border zone error

 optical cell

 diode laser 660 nm

 detector

 fast signal processing with 2 μs pulse length, 2 x 16 raw data
channels

 time resolution

 6 s, 31 channels (storage interval 1 min)

 detection principle electrical

 electrical mobility spectrometer with Faraday Cup Electrometer

 detector sensitivity

 0.25 fA

 time resolution

 60 s, 10 channels 6 s each (storage interval 1 min)

 volume flow

 1.2 L/min, ± 3% constant due to self-regulation

 internal rinsing air flow rate

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

 

​HANDLING

 operation

 GRIMM MiniWRAS software (wireless or data cable)

 interfaces

 Bluetooth, USB , RS-232

 analog input

 external sensor for temperature and relative humidity

 power supply

 in: 100 – 240 VAC, 47 – 63 Hz, out: 18 VDC, 2.5 A

 battery

 Li-ion battery, 14.4 VDC, 6.5 Ah for 10 h operation

 dimensions (h x w x d)

 34 x 31 x 12 cm (13.4 x 12.2 x 4.7 in)

 weight

 7.6 kg (16.8 lbs)

 operating conditions

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

 

 

 

 


 

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