Reagent for the photometric determination of chlorine dioxide in the field until 2:00 mg / L. Chlorophenol Red method.
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.
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Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
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Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.
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Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
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Range 0:00 to 7:00 g / L | Photometric Method | Resolution 0.01g / L
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Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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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.
081-855-1842
02-541-4199
เครื่องวัดปริมาณแอมโมเนีย ในน้ำ รุ่น HI715 
เครื่องวัดปริมาณซิลิกา ช่วงต่ำ ในตัวอย่างน้ำ รุ่น HI705 
สารละลายมาตรฐานความขุ่น 20 NTU 
