Portable
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
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
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.
Photometers
Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
Dissolved Oxygen Meter
HI9146-04 - Oxygen meter with temperature, salt and altitude compensation, polarographic probe to 45.00 mg / l O2.
HI 93501N is a waterproof thermometer designed for daily use in food applications such as industrial kitchens and catering. This meter also adds a stability indicator bargraph and HOLD button to freeze readings on the LCD. HI 93501
The HI 96831 Ethylene Glycol Digital Refractometer is a rugged, portable, water resistant device that utilizes the measurement of refractive index to determine the percent volume and freezing point of ethylene glycol based solutions.
The HI 96832 Propylene Glycol Digital Refractometer is a rugged, portable, water resistant device that utilizes the measurement of refractive index to determine the percent volume and freezing point of propylene glycol based solutions.