Measure the TDS (Total Dissolved Solids) in your water including minerals, salts and metals. 

2x 1.5V Button Cell (LR44) Batteries Required (Not Included)

Features:

• Range of 0 to 9990ppm
• Accuracy of +/- 2%
• Built in Thermometer (0 to 80C) 
• Easy to read digital screen
• Auto shut off after 10 minutes

Instructions:

1. Remove Cap
2. Press On/Off button
3. Immerse tip into water (do not immerse entire meter)
4. Wait for reading to stabilize