Conductivity, pH and Temperature all in one! The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. It comes with a pH probe and conductivity and temperature probe, which are simply placed into the solution and the selected reading is displayed on screen.

 As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help manage your crops daily nutrient requirements. Calibration of the pH is very easy, using the push buttons on the meter and fresh calibration solution. Conductivity and temperature do not need to be calibrated as this is locked in during manufacture.

 Display options for centigrade, fahrenheit, EC, CF or ppm. 5 year Bluelab guarantee.