Comparators are used to compare a sample of liquid to a know standard. Distilleries, Swimming pools, water treatment facilities are a few of the many different industries which use this type of test. Nova-Tech offers a variety of different units and parameters for your testing needs. We offer basic and versatile comparators such as the Comparator 2000+ up to the more expensive and research minded systems such as the Nessleriser comparator. Another popular comparator Nova-Tech offers is the CHECKIT comparator line.