pH Meter

pH meter
$16.00
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This pH meter is the perfect device for testing the acidity or alkalinity of liquids. It comes with a  small screwdriver for calibration. It is easy to use - simply remove the protective cap and immerse the electrode in the solution to be measured. Included with the meter are 6.86 and 4.01 pH buffers for an calibration. Instructions for calibration are also included with the pH meter. Great to use in conjunction with drop test for pH, or if you have difficulty discerning colors on the pH drop test.

 pH tester has a range of 0 - 14 pH with a resolution of 0.1 pH and comes with automatice temperature compensation (ATC). It is small enough to fit in your pocket and comes with a handy plastic case and calibration buffer powders. Calibration uses a single point buffer powder mixed with water and a small scredriver to adjust the display to the pH value of the buffer. The pH value is compensated by the meter although the temperature will not be displayed on the LCD display.

You can also use pH standard http://https://tftestkits.net/R-7062-pH-Standard-7-2-2-ounces-p104.html to calibrate meter several times. Pour in clean continer large enough for probe to fit and then pour back into original bottle once calibrated.
One year warranty if returned.