The Hanna Instruments HI 708 is a hand-held colorimeter for testing high ranges of nitrites. It is designed as an accurate alternative to chemical test kits.
เครื่องวัดปริมาณแอมโมเนีย > Ammonia Meter เครื่องวัดปริมาณแอมโมเนีย > เครื่องวัดปริมาณแอมโมเนีย Ammonia Meter > The Hanna Instruments HI 715 is a hand-held colorimeter for testing medium ranges of ammonia. It is ...
The Hanna Instruments HI 749 is a hand-held colorimeter for testing low ranges of chromium VI. It is designed as an accurate alternative to chemical test kits.
The HANNA HI 770 Checker®HC is accurate and affordable. This portable handheld colorimeter features a resolution of 1 ppm (200 points) and ±2 ppm ±5 % of ...