Waterproof EC Tester Kit in ppm

• +/- 1% accuracy
• 0 to 10 ppt and 0 to 2,000 ppm
• 0.10 ppt and 10 ppm resolution
• Automatic temperature compensation

No need for confusing conversions to change your mS or uS/cm EC measurements to parts per million. This waterproof and dustproof TDS meter works great outdoors in greenhouses or hydroponics systems. It even floats. Automatic temperature compensation assures accurate readings no matter what the temperature. Includes calibrating solution and four 1.5-volt batteries. 6-1/2"Lx1-1/2"D. Imported.