The Spraytec Nasal Spray System measures particle size distributions of nasal pump sprays
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Spraytec - Spray Droplet and Aerosol Size Measurement

"When we started work on the development of the high-fogging technology we needed a robust, reliable, accurate and flexible droplet sizer to perform measurements at different test rigs in our research laboratories. This is why we opted for a Spraytec."

- ALSTOM Power Service
  Spraytec spray particle analyzers allow real-time particle size distribution measurements of sprays and aerosols.
 

The Spraytec is a laser diffraction spray particle sizing system specifically designed to address the unique requirements of aerosol and spray droplet characterization across a wide range of industries and applications. The Spraytec provides in-situ, real-time droplet measurements in a fully validated package, giving accurate, reproducible results time and again.

Spraytec Benefits
  • Accurate Sizing over an extremely wide 0.1 to 2000 micron range.
  • Rapid Measurements at acquisition rates of up to 10 kHz capture the dynamics of any spray process in exceptional detail.
  • A Patented High Concentration Analysis delivers accurate spray results at spray concentrations where other techniques would simply fail.
  • Automated software and advanced analysis features ensure repeatable aerosol measurements can be made, time and again.


Explore the Spraytec with our 3D interactive model
Our demo allows you to view the Spraytec measurements from any angle.

Spraytec - particle size analyzer for sprays.

  • Hardware Design: Learn more about how the Spraytec measures spray particle size distributions.
  • Software Functionality: The Spraytec’s software provides many advanced features to ensure users get the most from the system’s extensive spray and droplet sizing capabilities.
  • Pharmaceutical Applications: Discover how Spraytec is aiding researchers in developing and testing nasal spray, inhaler and nebuliser drug delivery devices.
  • Industrial Applications: Find out how the Spraytec enables the routine characterization of industrial spray systems such as fuel injectors, agrochemical sprays and coating sprays.

What's Next?



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Spraytec datasheet

Optical unit

Measurement principle:

   Laser diffraction.
 
Size range:
   0.1µm to 2000µm
 
Lens ranges :  

300 mm lens: 0.1 – 900 microns (Dv50 : 0.5 – 600 microns).
750 mm lens: 2 – 2000 microns (Dv50 : 5 – 1600 microns).
 
Working range :

  

0.5 microns: 150mm
5 microns: > 1000mm
10 microns: > 2000mm
Optical models:

   Mie Theory and Fraunhofer Approximation .
 
Concentration range :  

Patented Multiple Scattering Correction ( US Patent No. 5,619,324) enables operation at high concentrations.

Minimum acceptable transmission: 5% (95% obscuration), dependent on particle size range.
 
Detection system :   36 element log-spaced silicon diode detector array
 
Light source:   632.8 nm, 2 mW helium-neon laser.
 
Laser safety:

   Class 3R laser product.
 
Optical alignment system:

   Automatic rapid align system
 
Maximum acquisition rate:  

Continuous Mode: 1Hz
Rapid Mode (Standard): 2.5kHz
Rapid Mode (Enhanced): 10kHz (requires software feature key) .
 
Maximum measurement time:  

Continuous Mode: > 60 mins at 1Hz
Rapid Mode : maximum of 30 sec
 
Accuracy:

   Better than +/- 1% on the Dv50 for NIST-traceable latex standards
 
Precision / Repeatability   Better than +/- 1% COV on the Dv50 for NIST-traceable latex standards
Reproducibility between instruments
  Better than +/- 1% COV on the Dv50 for NIST-traceable latex standards

Triggering
Measurement triggering:
  

Internal: Based on transmission or light scattering levels
External: Based on TTL input or simple switch trigger

External device synchronization:

   Via two TTL trigger outputs


Software
Minimum specification of PC:   Pentium PC 2GHz, 128MByte RAM, 80MByte free hard disk space, 1024 x 768 screen resolution, CD-ROM drive, Windows 2000 ( Service pack 3 or higher) or XP professional (Service pack 1a or higher). One free USB port.
Operating platforms:

   Windows XP Professional (service pack 1 or higher).
Operating modes:  

Automated using Standard Operating Procedures created in the software.
Manual using on-screen controls and hot keys.

Analysis Method :  

Model independent analysis to provide accurate droplet size distributions.
Rosin-Rammler and Log-Normal 2-parameter models available.

Data Display:   User-configurable Particle Size History display, enabling frame-by-frame data analysis.
Database utility:   Searching, sorting and filtering by search criteria of data records on all parameters of interest.
Data Export:   Direct to Excel or other spreadsheet packages.
21CFR11:   Technical compliance provided through layered access security system, audit trails and links to Adobe Acrobat for electronic signatures.


Operating environment

Enclosure ratings:
   IP65 rating for the main transmitter and receiver modules in normal use.
Air Purge:   Air purge system available to prevent optics contamination when measuring wide spray plumes. Requires a continuous supply of clean, compressed air at a flow rate of at least 80 l/min.
Temperature:
   15ºC – 40°C.
Humidity:   35% - 80%, non-condensing.

 

 



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