Palm-size Electrostatic Detector Portable Electrostatic Tester Electrostatic Analyzer 100V~20KV ESD Test Meter Gauge

Features:
Professional Electrostatic Tester: non-contact electrostatic qualitative testing gauge for quickly detecting the surface static of the object.
Mini Palm Size: easy to operate by single hand, convenient to carry around.
Three Indicator Light: green for power, red for positive charge and blue for negative charge.
Power Supply: powered by 2pcs CR2030 battery, low power consumption.
Wide Applications: it is widely used in the measurement of static electricity on the surface of masks, non-woven fabrics, plastics, films, rubber, fiber composite plates and other products.