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Battery Life Over 500 Hours Water Hardness pH Meter TDS Tester Pen with Backlight

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Battery Life Over 500 Hours Water Hardness pH Meter TDS Tester Pen with Backlight

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Brand Name :	OEM
Model Number :	PH-02L (with backlight)
Price :	Discussion

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Battery Life Over 500 Hours Water Hardness pH Meter TDS Tester Pen with Backlight

Specification

Product name	PH meter
Item number	PH-02L (with backlight)
Measure Item	PH
Button	On/Off; CAL
Calibration mode	One-button calibration
Shut-off mode	Manual + Auto (5min)
Operating/ATC T.&H.	0~50℃(32-210℉); RH≤95%
Range	0.00~14.00pH
Resolution	0.01pH
Accuracy	±0.1pH
Screen	LCD, with backlight
Battery	3v (1.5v*2), LR44
Dimension	1553018 (mm)
Weight	110g
Color	yellow, blue customized
Warranty	12 months
Customized support	OEM, ODM
Note	The specification may change due to product improvement.

Battery Life Over 500 Hours Water Hardness pH Meter TDS Tester Pen with Backlight

Product Description

How to use this PH meter?
Step 1: Remove the protection cap.
Step 2: Rinse the electrode with distilled water, and dry it with filter paper.
Step 3: Turn the meter on by pressing the "ON/OFF" button.
Step 4: Immerse the pH meter electrode in the solution to be tested. (can not be over the immersion line)
Step 5: Stir gently and wait a few seconds till the reading stabilized.
Step 6: After finished, clear the electrode with pure water, turn the meter off by pressing the"ON/OFF" button, and cover the pen cover back.

Warm Tips
PH meter has been calibrated before delivery, the buyer does not need to re-calibrate after receiving the goods!
In the following cases, the PH meter must be re-calibrated:
1. Not used for a long time;
2. Has been used for a long time after calibration;
3. Special electrode use frequently;
4. The measurement accuracy requirements are relatively high.

How to Calibrate this PH meter?
Step 1. Completely empty the 6.86/4.00/9.18 powder into a clean glass beaker.

Step 2. Add 250ml of distilled water to the beaker. Stir until the powder has completely dissolved.
Step 3. Turn on the PH meter and clean the electrode in distill water.
Step 4. Immerse the electrode into the solution. Gently stir it and wait the value to stabilize.
Step 5. Press the “CAL” button for 5 seconds and then release it.
-- press “CAL” to select 6.86/4.00/9.18.
-- wait 3 seconds, then the display will flashing 6.86/4.00/9.18.
-- wait until the display stops flashing.
-- take the meter out and rinse the electrode with distilled water and dry it with filter paper.

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Battery Life Over 500 Hours Water Hardness pH Meter TDS Tester Pen with Backlight

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