This HM Digital TDS Meter allows you to take 3 different readings, this makes it ideal for window cleaners and aquarists that want to monitor water input TDS, Reverse Osmosis Output from the first DI Stage. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Factory calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Comes equipped with Mur-lok Quick-Connect T-fittings. Installs quickly and easily. Technical Information Range: 0-9990 ppm Accuracy: ¡À2% Conversion Factor: NaCl (avg. 0.5) Cable Length: 24.5" (including sensor) Fittings: 1/4" standard, also available with 3/8" or 1/2" Power source: 2 x 1.5V button cell batteries (LR44 or equivalent; included) Battery life: approx. 1000 hours of continuous use Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)
