This line of buffers with millesimal accuracy (±0.002 pH), HI 60xx, has been prepared to meet the increasing need for assured accuracy in pH measurements. Each bottle of the series HI 60xx is provided with a certificate of analysis, prepared by comparison with NIST standards.
The colors on the HI 60xx series packaging correspond to a given standard pH value. They make it easy and safe to identify the buffers to be used.
เครื่องวัดปริมาณแอมโมเนีย ในน้ำ รุ่น HI715
เครื่องวัดสีในน้ำตัวอย่าง HI727
HI701 Checker HC ® - Free Chlorine
BL983321-1 TDS Mini Controller 0.00 to 19.99 mg/L (ppm) - 230V
HI715 Checker HC ® - Ammonia, MR 

