Device for measuring dissolved salts in water TDS

Multi-function: meter, and 3-in-1 temperature gauge, with a leather bag for easy carrying. Easy to use and accurate: just stick it in about 1 inch of water to get an instant reading. It is small in size and requires no maintenance. Measurement range: from zero to 999 parts per million, with an accuracy of 1 part per million from 1000 to 9990, with an accuracy of 10 parts per million. Uses: ideal for testing tap water quality, home water purification systems, swimming pools, and water quality testing.