The Dual Inline TDS Meter From AquaFX (EL-INLTDS): The EL-INLTDS is a very user friendly tool for keeping a close check on your RO/DI system(s). Use this to check your RO membrane for efficiency and performance, while making sure you DI resin life is as long as possible. This is a great tool to save $ from unnecessary filter changes. AquaFX has used this meter for close to 20 years! FEATURES: TDS levels displayed via front digital face with dual probes Efficient and accurate with advanced microprocessor technology Automatic-Shut-Off function conserves battery power. (This unit will shut off automatically after 10 minutes of idle) Factory Calibrated: AquaFX ensures our meters are calibrated with a 342 ppm NaCl solution. Meters can be re-calibrated with a mini-screwdriver on the back of the meter Come with 1/4 QC "T" Fittings Check out our YouTube channel for installation tips
