Digital PH Water Quality Tester Meter for Drinking Water Pools Aquariums

RCYAGO Digital PH Water Quality Tester Meter Litmus tester Portable LCD for Drinking Water Pools Aquariums
Features:
PH2-Prois a PH water quality pen product, which can measure pH, and temperature.
It has special function of showing different colors when the value is different.
RCYAGO has the patent.
Specification:
PH
range: 0.01-14.00pH
Resolution: 0.01pH accuracy: ±0.01pH（20°C )
LCD Colors will display in diffrent for different values
Functions:
It can be widely used in test drinking water, swiming pools, fish . farmland irrigation, lab, and sewage disposal, and so on.
Reset function: Turn it on,Press the ON/OFF key for 3 seconds , and then release it. When "----" appears on the screen, the reset is successful.
Automatic temperature compensation function （ATC) range :0-80C
Power-off storage function: The data will be automatically saved after the is pulled out and stored for one month.
Limus test function: The color of the LCD will change according to the pH value, just like a litmus test Strips.
Packing List:
1*PH Limtus Water Quality Tester
1*4.01 Calibration Buffer Powder
1*9.18Calibration Buffer Powder
1*6.86 Calibration Buffer Powder
Note:
► Clean the electrode with distilled water every time before and after use
► Be careful with the glass probe since it may be a little fragile when you use.
► Remember to gently wipe it with a clean, soft cloth when you're done before capping it again.
► Open the case or replace , then need to re-calibrate the meter
Calibration steps:
Notice:The meter should be recalibrated for the following situation:
The meter has been used( laid) for long time from the last calibration.
The meter been used in paticalrly continual conditons.
The upmost accuracy is required
▲Calibration
1.Turn on pH meter by pressing ON/OFF button
2. Dissolve each buffer solution in 250 mI of distilled water
3. Immerse the electrode into the pH 6.86 solution,and stir it water, wait until the value become stable
(under the temperature of 25)
Press the "CAL" (calibration) button for 5 seconds and release
- Display will start flashing 6.86（or CAL）
- Wait until the display stops flashing
- Wait until display stops flashing
--The reading will come to 6.86, the calibration of 6.86 is OK.
Rinse the electrode with distilled water and dry it with flter paper.
5. Immerse the electrode in pH 4.00 solution(under the temperature of 25),and stir it water,wait until the value become stable
6. Press "CAL" button for 5 seconds and release
screen show 4.00（or CAL）
- Reading will start flashing 4.00.
- Wait until display stops flashing
-The reading will come to 4.00, the calibration of 4.00 is OK.
Rinse and dry the electrode with distilled water as before.
6. Immerse the electrode in pH 9.18 solution, and stir it water,wait few seconds until the display is stable
- Press "CAL" button for 5 seconds and release, screen show 9.18（or CAL） ,
- Reading will start flashing 9.18.
- Wait until display stops flashing
-The reading will come to 9.18 the calibration of 9.18 is OK.
Rinse and dry the electrode with distilled water as before.
Q&A:
Q1: When should I calibrate the meter?
A1: Please calibrate it after 2~3 weeks of calibration.
How to operate:
1. Remove the protective cap and protective film on the screen.
2. First rinse the electrode with distilled water, and suck it with filter papes, this is to clean the ph probe;
3.Turn the meter on by pressing the"ON/OFF" key.
6.After finished clear the electrode with pure water turn the meter off by pressing the"ON/OFF"key.
4.Immerse the pH meter electrode solution to be tested. the water cannot be over the immersion line of the ph meter
5.Stir gently and wait around 30 seconds till the reading stabilized.
7. Always replace the protective cap after use.
How to reset the ph meter?
Turn it on,Press the ON/OFF key for 3 seconds , and then release it. When "-" appears o "the screen, the reset is successful!