Inline TDS Monitor SM-1 Features: - Range: 0-9990 ppm: (0 – 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking ‘x10’ image.) - Accuracy: ±2% - Conversion Factor: NaCl (avg. 0.5) - Cable Length: 24.5″ (including sensor) - Fittings: 1/4″ T-fitting (standard), also available with 3/8″ or 1/2″ (optional). - 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.) - Weight: 79.4 g (2.8 oz.)
Ebay wouldn't let me contact, good quality unit unfortunately the probes for the TDS meter would not fit all the way in to the T fitting was able to d
Ebay wouldn't let me contact, good quality unit unfortunately the probes for the TDS meter would not fit all the way in to the T fitting was able to disassemble and drill out to correct size and now works fine.. need to look at the fittings that are supplied in the kit.