The Apera Instruments TDS20 is a reliable and easy-to-use pocket TDS meter, ideal for monitoring water quality in applications such as drinking water testing, hydroponics, agriculture, swimming pools, and general water analysis. Featuring a premium platinum conductivity electrode, the TDS20 ensures precise and consistent total dissolved solids (TDS) measurements.

With simple 1- to 2-point calibration and automatic buffer detection, the TDS20 is quick to set up and easy to operate. Automatic temperature compensation (ATC) from 0 to 50 °C ensures accurate readings under varying conditions. Its large LCD simultaneously displays TDS and temperature values, while the auto-off feature preserves battery life. Offering up to 1000 hours of operation on 4 AAA batteries, the TDS20 is built for long-term performance in both field and lab environments.

Waterproof and floatable with IP67 housing, the TDS20 comes as a complete kit including calibration solutions, batteries, lanyard, and carrying case. Backed by a 2-year warranty (6 months on the electrode).

Key Features:

✔ Platinum Electrode – Ensures high accuracy and reliable measurements
✔ Waterproof (IP67) – Durable and floatable for outdoor and lab use
✔ Automatic Temperature Compensation – Accurate readings from 0–50 °C
✔ Easy Calibration – 1–2 points with automatic buffer detection
✔ Dual Display – Shows TDS and temperature on a large LCD
✔ Long Battery Life – Up to 1000 hours with auto-off function
✔ Complete Kit – Includes calibration solutions, batteries, lanyard, and case
✔ Warranty – 2 years on the meter, 6 months on the electrode

Set Includes:

✔ TDS20 Pocket TDS Meter
✔ 4x AAA Batteries
✔ Calibration Solutions (1413 μS/cm & 12.88 mS/cm, 50ml each)
✔ Lanyard
✔ Carrying Case