Using the LAP 340/L single particle scattered light counter, low-concentration aerosols - gaseous samples containing gas-borne particles - are analysed in terms of particle number and size.
Standards
ISO 16890-2
ASHRAE 52.2
EN 779
Optical particle counters are used for quality control in filter production and optimisation. The requirements for the measuring instrument arise mostly from the applied standards and directives. The particle counter is characterised by a wide measuring range (0,2 ... 10 µm) and a high measuring volume flow of 2,83 l/min. Compared to aerosol spectrometers, the LAP 340/L enables efficient analysis of large sample volumes. The particle counter is designed for stationary and mobile use.
Benefits
- good counting statistics due to the high measuring volume flow rate
- wide particle size measuring range with 16 configurable particle size classes
- application-oriented calibration function
- integration into complex test systems possible
Applications
- filter tests and air filter testing in accordance with ISO 16890-2, ASHRAE 52.2, EN 779
- determination of fractional efficiencies of filter media, filters and separators
- emission measurements of vacuum cleaners and air cleaners
- workplace measurements
Accessories
- data acquisition software: PAFWin
- dilution system DIL 545
- measuring instrument case
- aerosol tubing ¼“
| Parameter title | Unit | Value |
|---|---|---|
| measurand(s) | - | particle number, particle size distribution |
| measuring range, particle size | µm | 0,2 ... 10 |
| measuring range, concentration | #/cm³ | max. 70 |
| resolution, measurement time | s | min. 1 (adjustable) |
| test flow rate | L/min | 2,83 |
| power supply | - | 230 V AC; 50 ... 60 Hz (115 V AC on request) |
| communication interface | - | RS 232 C |
| dimensions (w × h × d) | mm | 410 × 180 × 280 |
| weight | kg | 10 |
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