Measures electrical conductivity (EC) and temperature.Automatic Temperature Compensation (ATC)Water-resistant housingMeasurement Range:0-9999 SDigital Calibration (push button), Auto-off function, data-hold function and low-battery indicator.For HM Digital introduces its new AquaPro series, a line of handheld EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer.Display:large and easy-to-read LCD screen includes simultaneous temperature reading.Factory Calibrated:The AquaPro is calibrated with a 700 S solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.EC Range:0-9999 S (S/cm)Temperature Range:0-80;32-176Resolution:1 S; Temp. resolution is 0.1Accuracy:+/- 2%Calibration:Digital calibration by push button.Housing:Water-resistantPower source:1 x 3V button cell (model CR2032) (not included in delivery)To convert S (micro-Siemens) to mS (milli-Siemens):divide by 1000.1000 S equals 1 mSEC equals Electrical ConductivityTips:The product may be updated constantly, the label words on the product are random, Cannot be chosen the specific words. The actual product may have slight differences or color differences.Colour:WhiteMaterial:PlasticPackage Contents:1 * Water Quality TesterOnly the above package content, other products are not included.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.