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Tester 0-14 Pocket Pen Aquarium Water Tester
PH pen with and without tape Warming Warming, with warming are ATC
logo, more accurate detection, error ± 0.1, with no signs warming
is no ATC.
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.
The main technical indicators:
Measuring range :0.00-14 .00 PH
Accuracy: +/- 0.1PH
Resolution: 0.1PH
Operating temperature: 0 oC~ 50 oC
Battery: 3X1.5V (AG13 button battery type) (not including
batteries)
Dimensions: 142mm (L) × 29mm (W) × 15mm (H)
Weight: 51 g
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.
