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Calibration Standard for HI 758 Checker HC ®
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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.
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Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
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Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
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Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution
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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 to 7:00 g / L | Photometric Method | Resolution 0.01g / L
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Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | 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.