4 In 1 PH Meter PH EC TDS Temp Tester For Food Cheese Fruit Vegetables Soil Meat
TDS: 0-19900ppm 20-199.0ppt. TDS: 1ppm (<1000 ppm); 10ppm (>1000ppm). EC, TDS: ±2%F.S. There's no need to prepare a slurry before testing; simply insert the probe tip into the sample and wait for the reading to stabilize for accurate results.