Oakton* Acorn* Conductivity and TDS Meters

Features automatic temperature compensation, all push-button operation, three-point conductivity calibration and auto-ranging for fast response. Includes hold and auto-off functions, is microprocessor-based and has a water-resistant membrane keypad and large LCD. Low battery warning. Weighs just 0.9 lb (408 g). Operates on four AAA batteries (included) for up to 60 hours of continuous use. Comes complete with probe and a protective boot. Three-year warranty.

*Depending on TDS factor setting.