Range: 0.2 - 3.6 EC, 140-2520ppm (ECx700), 100-1800ppm (ECx500)
Resolution: 0.01 EC, 70pmm 700, 50 ppm 500
Accuracy: ± 4% of the range
Calibration: Not required
Temperature compensation: Automatical
Batteries: 3 x AA
Auto On- and Off
The world's favourite nutrient meter! With its super tough, high quality, fully waterproof design, no calibration required.