Ph Pen PH Test Pen Industrial Household Ph-02 Fish Tank Aquarium Water Quality Detection High Precision PH Meter Instrument

the price of this link is no backlight, you need to add 5 yuan for one backlight.

this ph pen model is ph-02, which is popular on amazon, ebay, aliexpress and other platforms. more than 500 logo can be printed. if you need backlight, please contact customer service.

you need to add 5 yuan for one backlight.

parameters:

model: ph-02

battery voltage: 1.5v * 2

accuracy: ± 0.01(25 ℃)

resolution: 0.01

weight: 51g (110g with box)

dear, because this model has multiple colors, please note the required color when placing an order. if there is no comment, we will send yellow by default!

single weight: 0.11.

weight: 11.1kg.

volume: 36.7*37*33.

one piece: 100/ps.

this is a quality model exported to european and american countries, please feel free to use it

this is a quality model exported to european and american countries, please feel free to use it
warning: to maintain the stability of skin analyzer, please do not press cal button at will during normal use!
this product adopts precision glass bubble electrode with high sensitivity. it is normal that the screen displays 16.00 or the number keeps beating after starting up.

dimension: 155mm × 31mm(w)× 18mm(h)
outer box size: 167mm × 52mm(w)× 30mm(h)

measuring range: 0.00-14.00ph
resolution: 0.01ph
error: 0.05ph
operating temperature: 0 ℃-60 ℃
battery: 2x 1.5v(lr44 button battery)

ph meter shall be recalibrated in the following cases:
it has been used (or placed) for a long time after calibration;
inaccuracy

medicine powder shelf life of 2 years.

ph pen calibration method
1. take about 250ml of neutral water (preferably distilled water or purified water) first (try not to use tap water or mineral water, and there are still spring water, otherwise it will affect the data)

2. mix the correction powder 6.86 (the green package) and stir evenly to fully dissolve it.

3. skin analyzer remove the protective sleeve-turn on-immerse the probe in the mixed correction fluid. first look at the reading. if the data matches 6.86 or the deviation is relatively small, no correction is required, if the value deviates from 6.86, press and hold the cal key for three seconds. after the screen flashes, let go. the automatic correction is expected to be 5 seconds after the screen displays end, then the correction is completed. take out ph pen and clean the electrode with distilled water or purified water to dry the liquid.
4.4.00 use the same method to calibrate powder
5. generally, only 6.86 and 200.00g packs of calibration powder are needed, and 9.18 calibration powder is not needed.