Reagents for HI 718 Checker HC ®, 25 Tests
All Product
Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
All Product
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
All Product
Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
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.
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Reagents for HI 755 Checker HC ®, 25 Tests
All Product
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
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Multiparameter Benchtop Photometer and pH meter 
HI70004P - 4.01 pH@25°C - SQ - 25x20ml 
HI764 Checker HC ® - Nitrite, ULR 
