The TDS-ECD-Temp Pen is a revolutionary water testing device that combines three essential functions in one compact, ergonomic design.

With its advanced microprocessor technology, this pen provides fast, accurate readings of Total Dissolved Solids (TDS), Electrical Conductivity (EC), and temperature.

The backlit LCD display makes it easy to read the results, even in low-light conditions. The TDS-ECD-Temp Pen is perfect for a wide range of applications, including water quality testing, aquaculture, hydroponics, pool and colloidal silver water treatment, and more.

Its automatic temperature compensation feature ensures accurate readings, while the auto-lock function stabilizes the reading in seconds.

The hold function allows you to manually lock the reading if needed. This product is factory calibrated, so you don't need to worry about maintenance or recalibration.

It also features an auto-off function to conserve battery life and a colorful TDS chart on the back for easy reference.

Plus, it comes with a protective carrying case and belt clip, making it easy to carry wherever you go. Don't settle for anything less than the best when it comes to water testing.

Get your TDS-ECD-Temp Pen today and experience the convenience and accuracy of this advanced digital ppm meter pen!