The Yellow Square digital pH meter is a portable tester for the acidity of water and other liquids across 1–14 pH, with 0.01 pH resolution and ±0.01 pH accuracy. The reading appears a few seconds after the electrode is immersed, and calibration powders and a case come in the kit.
Specifications
| Parameter | Value |
|---|---|
| Measuring range | 1–14 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Operating temperature | 0 to 100 °C |
| Weight | 0.05 kg |
| Power | disposable batteries |
| Display character colour | yellow |
| Type | portable |
| Calibration | calibration powders included |
| Storage | plastic case |
What you get
- Two-decimal readings — 0.01 pH resolution and ±0.01 pH accuracy.
- The full acidity scale — a 1–14 pH measuring range.
- Fast results — immerse the electrode and read the value within seconds.
- Calibration from day one — pH 4.00, pH 6.86 and pH 9.18 powders are included.
- Light and pocketable — a portable body weighing 0.05 kg plus a storage case.
- Easy-to-read display — yellow characters.
Who it is for
People checking water acidity at home, aquarium keepers, teachers and students running lab work, food and cosmetics production technicians, and anyone doing quality control of drinks and juices.
Who it is not for
Anyone who needs a manual in a language other than English, who wants a rechargeable meter rather than disposable batteries, or who needs an officially verified instrument for regulatory measurements.
Uses and compatibility
Household water acidity control; aquariums; laboratory research and teaching; food and cosmetics production; quality control of drinks and juices. Method: immerse the electrode in the liquid and wait a few seconds for the reading. Calibrate the meter with the included powders following the manual before use.
What's in the box
- digital pH meter
- 3 calibration powders (pH 4.00, pH 6.86, pH 9.18)
- plastic case
- instruction manual in English
Questions and answers
How fast is the reading?
The value appears within a few seconds after the electrode is immersed.
Do I need to buy calibration powders separately?
No, three powders, pH 4.00, pH 6.86 and pH 9.18, are included. Prepare the solutions as the manual describes.
What powers the meter?
Disposable batteries; the battery type is not stated in the listing.
What are the range and accuracy?
Range 1–14 pH, resolution 0.01 pH, accuracy ±0.01 pH.
What language is the manual in?
English.
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