Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
Portable
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
Photometers
Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
Photometers
Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
All Product
Range 0 - 600 ppb NO2-N | EPA method 354.1 | 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.
Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU