pH Test Stick Portable Waterproof Water Quality Test Pen Electronic Instrument Multi-Parameter Conductive Nutrition

Features The pH stick features an easy to read illuminated display one touch calibration and Automatic Temperature Compensation ATC Fully waterproofAuto turn on and offAuto temperature compensationNo external knobs or switchesOne Touch Calibration SystemReplaceable pH probeSpecification Measuring range 2 1 10 8PHAccuracy plusmn0 1PHResolution 0 1PHOperating Temperature 5℃ 50℃Automatic Temperature Compensation 5℃ 50℃Batteries 3times1 5V AA Batteries not included Dimension 415mm x 23mmPackage includes 1 x PH Meter Battery Not Included 1 x LanyardNote Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is 1 3cm Details pictures