Original Source Pocket PH Meter

Digital LCD Display:

Shows the pH value, often with 1–2 decimal precision.

Compact screen located centrally for easy reading.

Measurement Range:

Most models measure from 0.00 to 14.00 pH, covering the full pH scale.

High Accuracy:

Common accuracy is ±0.1 pH units.

Resolution often 0.01 pH.

Portable Design:

Lightweight and pocket-sized.

Durable plastic body with a bright yellow casing for visibility.

Protective Cap:

The black section at the bottom is a protective cap covering the glass electrode.

Should always be kept moist when stored for optimal accuracy.

Calibration Function:

Usually requires manual or automatic calibration with buffer solutions (pH 4.00, 6.86, 9.18, etc.).

A small screwdriver may be included for manual calibration (if not auto-calibrated).

Power Supply:

Runs on small button-cell batteries (commonly LR44 or AG13).

Common Uses:

Testing drinking water

Monitoring pool/spa water

Hydroponics and aquaponics systems

Home brewing and fermentation

Science education and experiments

Agriculture and soil testing (with diluted samples)