Hanna Instruments HI 727 Checker HC Handheld Colorimeter, For Color of Water

The HI 727 is portable meter for Color of water and is ideal for Water Quality. True color is caused by dissolved compounds in water. It can be natural or artificial. Dissolved and suspended solids (together) cause apparent color. Color is measured in Platinum-Cobalt units. The AWWA recommends <= 15 PCU. The HI 727 Checker HC is extremely simple to use. First, zero the instrument with deionized water. Next, prepare the sample according to the Apparent/True color measurement. Place the second vial with prepared sample into the Checker HC, press the operational button and the HI 727 Checker HC displays the color of water in PCU. Small size, big convenience. Weighing a mere 64 g (2.25 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 battery. Ideal for Water Quality. Range: 0 to 500 PCU. Resolution: 5 PCU. Accuracy at 25 degree C: +/-5% of reading +/-10 PCU. Light Source: LED at 470 nm. Light Detector: silicon photocell. Environment: 0 to 50 degree C (32 to 122 degree F); RH max 95% non-condensing. Battery Type: (1) 1.5V AAA. Auto-off: After ten minutes of non-use. Dimensions: 81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5"). Method: adaptation of the Standard Methods for the Examination of Water and Wastewater, 21th edition, Colorimetric Platinum Cobalt method.