Bluelab – Conductivity Pen (EC or ppm) – Digital Temperature Nutrient Control Hydroponics
Features:
Measures conductivity and temperature
Selectable units for conductivity and temperature
Backlit LCD display
Calibration optional
Successful EC or ppm calibration indicator
Hold reading function
Low battery indicator
Fully waterproof
Auto off function
Automatic temperature compensation
1 x AAA alkaline battery included
