• 【Multi-Function Testing】The MF51 water quality tester combines TDS, EC, pH, and salinity measurements in one convenient pen-style device.
• 【High Accuracy】Provides precise measurements with ±2% accuracy for TDS and EC, and ±0.05pH accuracy for pH testing.
• 【Wide Measurement Range】Capable of measuring TDS from 0-9999ppm, EC from 0-9999uS/cm, pH from 0.00-14.00, and salinity from 0-10%.
• 【Temperature Measurement】Includes a built-in thermometer for water temperature readings from 0.1-60℃ (32.1-140℉).
• 【Portable Design】Compact pen-style design makes it easy to carry and use in various settings.
• 【Long Battery Life】Powered by 4x1.5V batteries with 150mAh capacity for extended use in the field.

Specifications:

• Model: MF-51
• TDS Range: 0-9999ppm (Resolution: 1ppm, Accuracy: ±2%)
• EC Range: 0-9999uS/cm (Resolution: 1uS/cm, Accuracy: ±2%)
• pH Range: 0.00-14.00pH (Resolution: 0.01pH, Accuracy: ±0.05pH)
• Salinity Range: 0-10%
• Temperature Range: 0.1-60℃ (32.1-140℉)
• Battery: 4x1.5V, 150mAh
• Dimensions: 183.5x44x44mm