KLTECH New Portable Digital LCD PH Meter Tester Mini Pocket Auto Pen for Aquarium Pool Water SPA (PH-009)
Specifications：*Weight: 50g*100% Brand New.*pH Range: 0.0 - 14.0 pH*Size: 152x 30x 21mm*Excellent meter, accurate and durable*pH meter is the perfect device for testing the acidity or alkalinity of liquids.*This portable meter comes with a carrying case and small screwdriver for calibration.*The meter is easy to use -simply remove the protective cap and immerse the electrode in the solution to be measured.NOTICE:Always calibrate before use if:1. Meter has been using(or hasn't been using) for a long time2. You want a highly accurate readingCalibration Step：：1. Immerse the tester up to the maximum immersion level in pH 6.86 buffer solution.(Always use fresh buffers for calibration)2. Allow the reading to stabilize and using a small screwdriver adjust the calibration trimmer to read 6.9. Done.Package:1x pH Meter1 x Screw Driver2 x Calibration Buffer Solution1 x Instruction Manual