Detect and measure surface static quickly and accurately with this Professional Electrostatic Tester, designed for non-contact qualitative testing. Crafted from durable ABS material, this handheld device offers a convenient palm-sized design, making it easy to operate with one hand and portable for on-the-go use. Ideal for a wide range of applications, it efficiently measures static electricity on materials such as masks, non-woven fabrics, plastics, films, rubber, fiber composite plates, and more. Key Features: · Professional Non-Contact Electrostatic Testing: Quickly detect surface static charges without direct contact, ensuring safety and convenience during use. · Compact Palm-Sized Design: Lightweight and ergonomically designed (80 x 60 x 25mm) for single-hand operation and easy portability. · Three Indicator Lights: Clear LED indicators show power status (green), positive charge detection (red), and negative charge detection (blue) for intuitive reading. · Low Power Consumption: Powered by two CR2030 batteries, providing long-lasting use with minimal energy consumption. · Wide Detection Range: Measures static voltage from 100V up to 20kV with a sensing distance optimized at 10mm, delivering fast response times between 1 to 3 seconds. · Versatile Applications: Perfect for qualitative static measurement on various surfaces including masks, non-woven fabrics, plastics, films, rubber, and fiber composite plates, suitable for quality control, production, and maintenance environments. Specifications: · Material: ABS · Working Temperature: 0~50℃ · Sensing Range: 100V~20kV · Measuring Distance: 10mm (optimal) · Response Time: 1~3 seconds · Measuring Method: Handheld non-contact measurement · Power Supply: 2 x CR2030 batteries (included) · Item Size: 80 x 60 x 25mm (3.15 x 2.36 x 0.98 inches) · Item Weight: 58g (2.05oz) · Package Size: 11 x 8.3 x 4.4cm (4.33 x 3.27 x 1.73 inches) · Package Weight: 92g (3.24oz) Package Includes: · 1 x Electrostatic Detector · 1 x English Manual This Professional Electrostatic Tester is a reliable and efficient tool for quick static detection across multiple materials. Its easy-to-read indicators, compact size, and broad application range make it an essential device for professionals and quality control personnel seeking accurate and portable static measurement solutions.