Bluelab TDS Conductivity Pen

The go-to for hand held conductivity pens. The Bluelab® Conductivity Pen simply tells you the amount of nutrient in your solution. Conductivity is automatically compensated with the integrated temperature sensor. Providing a compact, quick and accurate way to measure two key parameters for crop health. Teamed with our Bluelab® pH Pen you have a robust, convenient and accurate measurement system. Features: · Measures conductivity and temperature · Selectable units for conductivity and temperature · Shows conductivity scales CF, EC, PPM 500 & PPM 700 at the touch of a button

· Fully waterproof · Backlit LCD display · Calibration optional · Successful 30 day calibration indicator · Hold reading function · Low battery indicator · Auto off function · Automatic temperature compensation · 1x AAA replaceable battery included