Oakton, WD-35462-11, EcoTestr CTS Pocket Conductivity, Salinity and TDS MeterIncludes:Four A76 1.5 V miniature alkaline batteries.Features:Measure water quality quick and easy without breaking the bank when you select one of these newly redesigned Oakton EcoTestrs. The pH2+ meter accurately measures pH and temperature simultaneously, while the CTS meter is now a reliable 3-in-1 tool that measures conductivity, TDS, and salinity.Larger display with a better viewing angleExpanded 4-digit dual-line display shows parameters and temperature readings simultaneouslyAutomatic temperature compensation ensures accurate reading in varying environmentsEasy-to-navigate interface for quick setup and calibrationRedesigned leakproof cap functions as a sample cup and as a stabilizing base to stand the meter uprightRugged IP67-rated housing is dustproof and waterproof - and it floatsLanyard attachment makes field measurements more convenientBattery level indicator flashes when battery is lowBatteries are included - ready to go right out of the box!This new addition to the Oakton EcoTestr product line features updates to make measuring water quality easier and faster. The display is larger with a better viewing angle, has indicators for battery life, readiness, and calibration, and shows both the parameter and temperature readings at the same time.To enhance field use, the cap was redesigned to be leakproof and can be attached to the top of the meter when not being usedno more lost caps! The cap features a fill line, so you know how much sample you need for an accurate reading when using the cap as a sample cup. It is also wider, providing a base to keep the meter upright for hands-free measurements.The keypad now has a fourth key to simplify menu navigation while keeping convenient one-touch calibration. The new housing is compatible with lanyards to prevent losing or dropping, but is still waterproof and floats just in case.