Description
High-resolution LED aerosol spectrometer with remote sensor for process applications
The new light-scattering aerosol spectrometer Promo® LED 2000can be equipped with different sensors for particle size analysis and concentration determination from 0.145 to 100 µm can be fitted with different sensors. The heart of the optical sensors is the new LED technology with an extra-long lifetime at the highest stability in particle sizing and counting applications.
Norms and certificates
National and international standards
EN 13274-7
Operation principle
High-resolution LED aerosol spectrometer
Sensors with different measurement volumes can be connected to Promo® LED 2000 via signal cables and interchanged as required. These sensors allow reliable measurement in the concentration range from < 1 particle/cm3 to 106 particles/cm3 in gases.
Measurements are performed continuously with Promo® LED 2000 as a standalone measuring device (i.e., without an external computer). All incoming data can be stored with a maximum temporal resolution of 1 s. Promo® LED 2000 can therefore measure and save data over weeks independently. The unit can also be integrated into a company network for data transfer.
A touch display ensures user-friendly operation. Measurements can be started quickly, and all data, such as the current number distribution, number concentration, and 24 further statistical values, can be evaluated and displayed in real time.
Promo® LED 2000 has a standard interface and can be controlled by a process control system or a simple Labview program. For this reason, Promo® LED 2000 is especially well suited for control and monitoring applications.
The following special features guarantee high classification accuracy and high particle size resolution:
• Polychromatic light and 90° light-scattering detection ⇒ Unambiguous calibration curve
• Patented T-aperture ⇒ No border zone error
• New digital individual signal processing ⇒ Coincidence detection and correction of the individual signal making it possible to measure higher concentrations
