Hanna Instruments has released 12 new Checker® HC Handheld Colorimeters. The portable meters can measure a variety of parameters including ammonia, nitrite, total chlorine, low range silica, bromine, chromium VI, marine calcium and alkalinity. The inexpensive meters are designed for spot checking water quality and fill a niche between chemical test kits and higher end laboratory colorimeters. Hanna Instrumentswww.hannainst.com
