Battery Life Over 500 Hours Water Hardness pH Meter TDS Tester Pen with Backlight
Product Details:
Place of Origin: | Henan, China |
Brand Name: | OEM |
Model Number: | PH-02L (with backlight) |
Payment & Shipping Terms:
Minimum Order Quantity: | 10 pieces |
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Price: | Discussion |
Detail Information |
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Warranty: | 1 Year | Customized Support: | OEM, ODM |
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Product Name: | PH Meter | Accuracy: | 0.01pH |
Power Supply: | 3v (2*1.5V), LR44 Button Battery | Battery Life: | Over 500 Hours |
Operating Temperature: | 0 ~ 60℃ (32 ~ 140℉) | Temperature Compensation: | 0 ~ 60℃ (32 ~ 140℉) |
Weight: | 50g(1.7OZ) | Dimension: | 155*30*18 (mm) |
Application: | Water Treatment Industry | Color: | Yellow + Black |
Product Description
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 | 155*30*18 (mm) |
Weight | 110g |
Color | yellow, blue customized |
Warranty | 12 months |
Customized support | OEM, ODM |
Note | The specification may change due to product improvement. |

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 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.
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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