clinical thermometers; mercury thermometers for medical use; thermometers for medical purposes; digital thermometers for medical purposes; electronic thermometers for medical use; temperature sensors for medical use; temperature meters for medical use

Apparatus for testing the quality of swimming pool and spa water, including check of free chlorine, total chlorine, total bromine, pH, acid demand, alkali demand, total alkalinity, total hardness, cyanuric acid content and borates