Calibration Standard for HI 739 Checker HC ®
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
All Product
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
All Product
Range 0:00 to 7:00 g / L | Photometric Method | Resolution 0.01g / L
The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.
All Product
The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
All Product
Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
All Product
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
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เครื่องวัดปริมาณฟอสเฟต ช่วงต่ำ รุ่น HI713 
เครื่องวัดปริมาณแอมโมเนีย ในน้ำ รุ่น HI715 
