The Guardian Monitor measures all three critical parameters to successful growth: pH, conductivity and temperature.

Why Bluelab Guardian Monitor?

• 24/7 continuous monitoring of pH, EC and temperature in reservoirs
• Large, backlit display for at-a-glance viewing
• High and low alarms to alert you when parameters are out of range
• Easy pH calibration function with on-screen instructions
• 2-metre cable lengths for best positioning and viewing
• Flexible mounting options for walls, posts and racks
• Easy-to-clean display built for clean environments

The Replacement Power Supply has four interchangeable plug adaptors (Guardian Monitors only)!