Bluelab ppm Pen
The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides a compact and quick way to manage the success of your plants.
The Bluelab ppm Pen tells you that your plants have the correct amount of nutrient in your solution and if adjustments are needed.
Display options available in °C, °F, EC, CF, ppm 500 and ppm 700.
• Measures conductivity and temperature
• Selectable units for conductivity and temperature
• Backlit LCD display
• Calibration optional
• Successful calibration indicator
• Hold reading function
• Low battery indicator
• Fully waterproof
• Auto off function
• Automatic temperature compensation