Calibration Standard for HI 715 Checker HC ®
All Product
Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
All Product
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
All Product
Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
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
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
All Product
The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.
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เครื่องวัดปริมาณฟอสเฟต ช่วงสูง รุ่น HI717 
HI716 Checker HC ® - Bromine 
HI736 Checker HC ® - Phosphorous, ULR 
