Bluelab - Guardian Monitor

The Bluelab Guardian Monitor provides 24 hour continuous reading for pH, conductivity (EC/ppm 700/TDS/CF) and temperature within a nutrient solution.

• Plant-safe green LEDs
• Large easy to read displays
• No calibration required for conductivity and temperature
• Simple push button pH calibration
• Selectable values for conductivity and temperature
• Flashing high and low alarms
• Greater tolerance to RF / electronic interference provided
• Water resistant design
• International power supply included
• Replaceable double junction pH probe included
• Adjustable display brightness
• Non-volatile memory (setting retained when power lost)