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Waterproof 4 in1 Hydroponics Nutrient EC ppm CF Meter Soil Conductivity Tester
Measuring range: 4-52CF / 0.4-5.2EC / 200-2600ppm(EC x 500) / 280-3460ppm(EC x 700) Resolution: 1CF / 0.1EC / 50ppm / 70ppm Accuracy: ±4% of reading Calibration: Factory Calibrated Auto Sense:Auto On and Auto Off Working temperature: 5-50°C (41-122°F) Power: 3×1.5v AA Batteries Auto Sense:Auto On and Auto Off Dimension: 415×26×26mm |











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