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The Milwaukee Conductivity Pen is designed for hydroponic and other growers to help you make sure that your plants are receiving the right amount of nutrient. Keep EC in your target range to help your achieve better results.
DESIGN FEATURES
Measures conductivity and temperature with automatic temperature compensation
Ideal range for hydroponics (0.00 to 10.00 mS/cm)
Units in mS/cm easily convertible to ppm
Factory calibrated with the ability to recalibrate if needed
Replaceable electrode
Fully waterproof to IP65
250 hours continuous use (3 x 1.5V batteries included)