Digital PH Meter Tester Accurate Digital Pen PH-009 0-14 Pocket Aquarium LCD PH Value Test Pen PH Tester WIth Powder
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Description
- Measuring range :0.00-14 .00 PH , Weight: 51 g
- Accuracy: +/- 0.1PH ,Resolution: 0.1PH
- Operating temperature: 0 oC~ 50 oC
- Dimensions: 142mm (L) × 29mm (W) × 15mm (H)
- Pocket digital pen pH meter, the introduction of advanced technology and imported components, greatly reducing the volume, reduce costs, maintain the original good quality, so that the use of pH meter gained popularity. Pocket Digital PH Meter is a classic brand of pocket digital pH meter, high stability, high reliability, easy to use, inexpensive and popular around the world, the majority of users of all ages.
PH meter calibration while increasing standards: 1, The pH electrode into the pH value of 6.86 (25 oCc under standard mixed phosphate buffer solution, and gently shake. 2,With a small screwdriver adjust the calibration potentiometer until the display value and the standard buffer solution at ambient temperature ph values. 3,The electrodes into pH4.00 stupid phosphorus or potassium acid borax pH9.18 standard buffer solution. 4,After about two minutes or so. Shows the pH value of the buffer value is compared to the error should be within the allowable range.
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