Despite their maturity as a product category, chillers and baths continue their slow evolution, particularly in terms of controls and user interface. Cole-Parmer (Vernon Hills, IL) and other vendors provide units with a temperature stability of 0

In an age of ever-increasing consumer requirements and the enforcement of strict regulations such as the Food Law and Foodstuffs and Commodities Act (US Food and Drug Administration, §64 LFBG), it is vital that beverage manufacturers demonstrate the quality and safety of their final product.

Mature product lines such as pH meters are fundamentally limited in underlying technology, so they evolve through adding features and functionality. High-end pH meters often come with USB or Bluetooth communications and networking capability.