2 Pieces PH Meter Digital Test Water Quality LCD Tester 4 Sheets 1-14 Paper for Drinking Sw | Инструменты

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Easy to read and accurate reading: just turn the test meter on, dip in liquid and read the digit, don't need to work with color charts or test strips, the large LCD display is also easy to read, you can get the pH quickly
the test meter can calibrate aumotively, no other screwdriver needs, just with auto calibration button and buffer dusts can make it (Note: buffer dusts not included) Measuring range: 0.00-14.00 pH; Resolution: 0.01 pH; Accuracy: ±0.01 pH; The compact design is easy and portable to carry
The pH test strips: under normal circumstances, the solution of the tested paper will produce color changes once contact with the test paper; Different pH content discoloration range is different, by comparing the color card ratio: the smaller the number, the stronger the acidity, the larger the number, the stronger the alkalinity
Operation of digital pH test meter:
1.Remove the protective cap, protective film on the screen,
2.Rinse the electrode with distilled water, suck it with filter paper,
3.Turn the meter on by pressing the "ON/OFF" key,
4.Immerse the pH meter electrode in the testing solution (can not be over the immerse line),
5.Stir gently, wait around 30 seconds till the reading stabilized,
6.After finished, clear the electrode with pure water, turn the meter off by pressing the key,
7.Always replace the protective cap after use.
Digital pH test meter:
Measuring range: 0.00-14.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH
Operate temperature: 0-60 ℃
size:155*31mm
Material:ABS+ paper
colour:yellow
Package Contents:
2 * ph test pen
4 * ph test paper (with button battery)
Only the above package content, other products are not included.
Note: 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.