pH Meters

4 products

PH Meters for Different Types of Use

Testo provides unique models for measuring the pH values of various items. The measurement tools are available in many designs that can check the pH levels of solids, liquids, and semi-solids. In addition, the display screen is big enough for people to make a note of the measurements.   

The pH meters are electronic devices with a special sensitive measuring probe attached to the electronic meter that displays the decimal reading on the screen. Testo calibrates the device to provide quality results. 

What does A pH Meter Measure?

A pH meter is used to measure the accurate value of pH, which determines if the substance is acidic or alkaline. The instrument works by measuring the hydrogen activity in the substance, in short, the alkalinity and acidity of the item. The hydrogen ion activity is expressed in pH level. 

If the pH solution of an item is less than seven, then it is acidic; else, if the value is greater than seven, then it is basic. A value equal to seven is a neutral item.

Frequently Asked Questions

A pH meter is a precision instrument used to measure the acidity or alkalinity of a liquid solution. HK Calibrations provides these essential tools to Australian businesses in water treatment, agriculture, and food production to ensure that chemical balances meet strict safety and quality standards.

To maintain accuracy, you must calibrate the meter using standard buffer solutions (usually pH 4, 7, and 10) before each use or at the start of a shift. HK Calibrations recommends using high-quality buffers to ensure the electrode provides a precise reading, keeping your Australian laboratory or field tests compliant with technical specifications.

The pH level of a solution is directly affected by its temperature, which can lead to measurement errors if not corrected. Most pH meters from HK Calibrations include ATC functionality, which automatically adjusts the reading to account for temperature fluctuations, ensuring consistent data across different Australian environmental conditions.

The sensitive glass electrode must never be allowed to dry out, as this will lead to sluggish readings or permanent failure. HK Calibrations advises storing the electrode in a dedicated storage solution (KCL) rather than distilled water to maintain the hydration layer and extend the life of your precision measuring tool.

Yes, we provide specialised pH meters with rugged, spear-tip electrodes designed specifically for direct soil or semi-solid penetration. HK Calibrations supplies these to Australian farmers and environmental consultants who require fast, NMI-traceable data to manage soil health and crop productivity effectively.

While daily user calibration is necessary, professional laboratory calibration should be conducted every 12 months to verify the instrument's electronic integrity and slope efficiency. HK Calibrations offers expert 48-hour turnaround services to ensure your Australian business remains compliant with ISO quality management systems.