Bluelab Combo Meter MasterBlend The Bluelab pH Pen is

The Bluelab pH Pen is the latest innovation for hand held meters

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Bluelab Combo Meter MasterBlend The Bluelab pH Pen isBrand: Bluelab Details: Simply place the pH Probe and the Conductivity Temperature Probe into the solution and the selected reading is displayed on screen. It has a large easy to read display. Use anytime and anywhere the Bluelab Combo Meter is lightweight and portable and does not require a power supply to operate. The Bluelab Combo Meter Measures pH, conductivity nutrient (EC, CF, ppm 500 and ppm 700) and temperature (C, F) Calibration of the pH is