PH Tester with external probe

This **PH meter** measures the **PH value** of **aqueous liquids** using a **detachable probe-sensor** for **quick and accurate evaluation** of the measurement results via the **galvanic voltage difference** between acidic, neutral and basic liquids at the tip of the immersion probe.
In addition, this device has **two adjustment potentiometers** for **calibrating** the **pH4 or pH7 values**, a suitable screwdriver and a **neutralization liquid** for the sensor with corresponding **calibration solutions**.
Measured values ​​are clearly shown and can be read easily at the **large LCD display** with **white backlight**.
For steady use, this model is powered by a **standard 9V battery**.
Due to the **handy design**, the **large display** and the **extensive range of accessories**, this measuring device is particularly suitable for use in **schools, training, science and research**.