Calibration Standard for HI 723 Checker HC ®
All Product
Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
All Product
Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
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.
All Product
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
All Product
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
All Product
Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm
All Product
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
Photometers
Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
081-855-1842
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HI716 Checker HC ® - Bromine 
HI771 Checker HC ® - Chlorine, Ultra-High Range 
