Conductivity Indicator with 10 Levels. The Conductivity Indicator can be used for quick comparisons of conductivity of solutions.

GSC International CNDTEST 10-level Conductivity Indicator for Quick Solution Comparisons The GSC 10-Level Conductivity Indicator can be used for quick comparisons of conductivity in solutions including, but not limited to, tap water, vinegar, baking soda solution, or varying concentrations of salt water. This device is very simple to use - just submerge both brass prongs in a solution, hold the button on the side, and wait for the bar of LEDs to display your results. Instructions included. 10-Level Display: Measures and shows solution conductivity through 10 clear LED indicators Quick and Simple Use: Submerge brass prongs, press button, and view immediate LED feedback Hands-On Learning Tool: Supports chemistry and physics instruction with real-time data Multi-Solution Testing: Works with water, vinegar, saltwater, baking soda, and more Ideal for Education: Designed for classroom demonstrations, science fairs, or homeschool labs ⚠️ Proposition 65 Warning for California Residents: WARNIN