Spectris PARTICLE MEASURING SYSTEMS Lasair Pro 310 - Page 96

5-17Lasair® Pro Aerosol Particle Counter Operations Manual
Chapter 5 : Sampling Options
Ordering the optional 100 dB Alarm Siren for the Lasair Pro Particle Counter provides the
loudest and easiest-to-hear sound during this type of use. It is highly recommended to
order the Lasair Pro with this additional feature if you are going to be using the HHIPA
accessory.