Aquamaster P50 pro pH Temp meter.

The P50 pro pH temp meter is the ideal digital handheld meter for measuring the pH and temperature of various liquids. It is suitable for many industries. The high-quality and easy-to-use meter is extremely accurate and fits perfectly in the hand with a rubber back and a lanyard to ensure the cap will not get lost. In addition, it has a 2-point automatic calibration, making it easy to calibrate. In addition, it is IP67 waterproof and can even float, so you don't have to worry about losing it. The P50 pro comes with batteries and has a replaceable probe to extend the life of the pen meter.