<p>Displays TDS level of triple water line.</p> <p>Highly efficient and accurate due to its advanced microprocessor technology.</p> <p>Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.</p> <p>Wide Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)</p> <p>Factory Calibrated:our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.</p> <p>TRM1 Triple TDS Meter with three probes.</p> <p>Comes equipped with Mur-lok \u00AE Quick-Connect T-fitting (1\/4 inch standard, also available in 3\/8inch or 1\/2inch ).</p> <p>Installs quickly and easily.</p> <p>Specifications:</p> <p>Range:0-9990 ppm</p> <p>Accuracy:\u00B12%</p> <p>Conversion Factor:NaCl (avg. 0.5)</p> <p>Cable Length:24.5inch (including sensor)</p> <p>Fittings:1\/4inch standard, also available with 3\/8inch or 1\/2inch</p> <p>Power source:2 x 1.5V button cell batteries (LR44 or equivalent; not included)</p> <p>Battery life:. 1000 hours of continuous use</p> <p>Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use</p> <p>Colour:Photo Color</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 x Water Quality Purity Tester</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>