Digital. Simple. Compact.

The Milwaukee T75 Waterproof Total Dissolved Solids (TDS) Pen is designed for, aquariums, aquaculture, education, water conditioning and many other applications. The T75 helps you make sure that your fish have the right TDS balance to help them stay healthy. TDS also help keep filters up-to-date and clean for water filtration. Keep TDS in your target range to help your achieve better results.

Design Features

• Measures Total Disolved (TDS) direct and with automatic temperature compensation.
• Easy-to-read LCD.
• Ideal range for aquariums (0 to 1999 ppm).
• Units in ppm easily convertable to uS/cm.
• Factory calibrated with the ability to recalibrate if needed.
• 250 hours continuous use (3 x 1.5V batteries included).
• Simple one point calibration.
• Fully waterproof to IP65.
• Replaceable TDS electrode MA73075.