specifications
particle size range
0.09 - 7.5mm
Particle size measurement accuracy within 0.1 micrometers (usually within 2.5%) within a particle diameter range of 5%
Zero Count
<1 @ Counting within 5 minutes (Japanese Industrial Standard)
Counting efficiency
>50% at 90nm
Particle concentration range
10 cm3/min is 18000 particles/cm3
50 cm3/min is 3600 particles/cm3
95 cm3/min is 1800 particles/cm3
Number of channels
Users can choose up to 100 options
Flow
Sheath gas velocity user selectable, 10-95 cm3/min. ± 5%
Sheath flow velocity 650 cm3/min. ± 5%
The atmospheric pressure calibration is automatically calibrated by an internal flow controller to correct the sample flow rate.
Environmental operating conditions
Working temperature 10-30 ℃ (50-86 ° F)
Working humidity relative humidity 10-90%
non-condensing
Working altitude at sea level -4000 m (13000 ft)
Aerosol medium
Designed for use with air. Do not use with pressurized, explosive, corrosive, toxic, or other harmful gases. Calibration particles
NIST traceable polystyrene latex (PSL) spheres
Laser light source
HeNe gas laser, 633nm,>1W intracavity power
detector
Avalanche photodiode (APD) and PIN photodiode
user interface
Control software running on Microsoft Surface Pro tablet with 12.3-inch touchscreen and keyboard
Operating system and software
Windows 10 ® VI (Virtual Instrument) executable control software generated based on LabVIEW 2017
Communication
RS-232 (9-pin D connector) for instrument control, with NI serial to USB converter, interface with control computer
Size
56 x 43 x 25 cm (22 x 17 x 10 in)
Weight 24 kg (53 lbs.)
Power 100-240 VAC; 50/60 Hz; 200 W
Features and advantages
Ultra high sensitivity and high resolution
+Dynamic particle size range: 0.09-7.5 µ m+0.1 µ m Typical resolution within 2.5% of particle diameter
+Wide concentration range: up to 18000 particles/cm3, easy to use and flexible
+100 users can configure particle size channels
+User adjustable traffic
+Intuitive control software based on LabVIEW
+The most advanced optical and detection system in the industry for Microsoft Surface Pro tablets with touch screen and keyboard
+Patented wide-angle optics and intracavity laser technology
+High sensitivity photodetector
+Automatic gain ratio adjustment and laser reference compensation
feature application
The 3340A laser aerosol particle size spectrometer is suitable for a wide range of application fields. Below are some key introductions:
+Filter testing: The high resolution, wide concentration range, low-end particle size detection limit, and fast measurement time make the 3340A very suitable for filter testing applications.
-Filter efficiency test
-Disk Drive Filter Test
-Development and Research of Disk Drives
+Indoor air quality: The laser aerosol particle size spectrometer, as a standalone instrument, provides high-resolution particle size information over a wide concentration range. Pairing the 3340A model with CPC, you can easily and in real-time measure the nanoparticle size fraction (<100 nanometers).
+Atmospheric research and environmental monitoring: Instrument particle size range, measurement time, and lack of radioactive sources or working fluids are very suitable for use on aircraft or environmental sampling point transfer.
+Inhalation toxicology and exposure monitoring: ease of use, rapid measurement time, and accuracy in measuring known aerosol components make it a common application of laser aerosol particle size spectrometers.
Other applications
+General aerosol research
+Instrument calibration
+Biological hazard detection
+Process monitoring
+Drug research
+Powder and Food Research
+Combustion and emission research
+Spray analysis
+Condensation and nucleation research