Accurate measurement of particulate matter using laser particle counters is critical wherever air, surface or liquid contamination is a concern and requires diligent monitoring.
Thermo Scientific Count Controls validate the results of these instruments regardless of brand to ensure they are measuring properly.

Otherwise, users risk working with potentially misleading and inconsistent data that could lead to costly, time-consuming errors. With a diameter traceable to the National Institute of Standards and Technology (NIST), our Count Controls provide the confidence and
paperwork required by QC that the instrument is doing precisely what is was intended for.

 Applications

• Instrument calibration and validation: particles countersusing laser scatter, light scatter, light blockage, imaging, microscopy, and electrical resistance.
• Instrument QC: check for instrument problems and shifts in laser function, check the calibration curve shape, etc.
• Monitor for particulate matter: for manufacturers of parenteral drugs and ophthalmic solutions