Elite Pocket Testers offer flexible on-the-go electrochemical testing. Choose the Elite CTS pin-sensor model to measure conductivity, total dissolved solids (TDS) or salinity with temperature using a pin-style direct-measure sensor design for your application. Elite pocket testers are durable, with a large backlit screen, one-touch calibration feature and replaceable sensor heads. They are ideal for testing beverages including homebrew beer and wine, food, hydroponics, aquaculture and aquariums, environmental monitoring and more.Flexible testing optionMeasure conductivity, TDS or salinity with temperatureLarge back-lit graphic displayUses 4 x AAA alkaline batteriesAverage 150 hours of battery lifeWide leak-proof cap serves as stable baseReplaceable sensorsOne-year warranty for testerSix-month warranty for replacement sensors