Climet 50lpm and 75lpm air particle counters with 0.3 micron measurement capability. Climet is best and most rugged particle counter in the world: Climet portable counters are based around 7 key patents Climet has patented widest ellipsoidical optics thus providing the highest efficiency and life Blower (pump) and flow measurement are patented as well Screen has an overlay for protection and the printer is inside the instrument enclosure etc. Climet weight is 6.5 kg and size 8.65 x 8.5 x 9.5 – (699 cu inches) is lightest and almost 40% compact Smooth stainless steel enclosure Built in printer inside the ss enclosure (not popping out in a plastic cover) 75lpm & 50lpm flow rate with 0.3 micron capability 100lpm created turbulence under laf in grade a and b areas and provide inconsistent readings 75lpm will be an optimum choice for speed and accuracy, though you can also opt for 50lpm to match your current particle counting sop Provides iso14644 & gmp reports. Exceeds iso21501-4 calibration requirements. Climet offers a longer life, high quality components and lower cost of ownership. 2 kgs