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Teacher Developed Classroom Tested

An electroscope replacement.
Measuring electrostatic charges is now simple and quantitative with our Charge Sensor. Think of it as a highly sensitive electroscope that isn't affected by humidity and indicates whether a charge is positive or negative. Great for other high-resistance voltage measurements too. Automatic scaling eliminates the need for a gain switch. Highly efficient input overvoltage protection makes it virtually blow-out proof, providing many years of student use. No guessing if a charge is positive or negative -- the polarity is shown.
Measures both charge and voltage.
Typical Applications:
-Measure charge by induction
-Quantify the charge on a capacitor plate
-Discover the charge distribution on a conducting sphere
Specifications and Special Features:
-Range ± 0.1 μC and ± 10 V.
-1012 Ohm input resistance
-Includes a 0.9m shielded cable to eliminate stray fields with alligator clips for quick experiment setup

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