Easier to use and more accurate than chemical test kitsModified DPD method Accuracy ±5% of reading ±0.01 ppm (mg/L) 0.1 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off.Dedicated to a single parameterDesigned to work with HANNA’s powder reagents Uses 10 mL glass cuvettes.Small Size, Big ConvenienceWeighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket.Use for quick and accurate on the spot analysis.Single button operation: Zero and Measure Operated by a single AAA batteryACCURATE AND AFFORDABLE IODINE MEASUREMENTThe HANNA HI 718 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI 718 Checker®HC is accurate and affordable. The HI 718 Checker®HC portable handheld colorimeter features a resolution of 0.1 ppm (250 points) and 5% ±0.1 accuracy of reading. The HI 718 Checker®HC uses a modification of the DPD method used for residual chlorine. The contoured style of this Checker®HC fits in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off. The HI 718 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 718 Checker®HC, press the button and read the results. It’s that easy.
Hanna Instruments Checker Iodine Colorimeter