【Scope of application】 It is mainly used to measure the charged electricity and the density of charged charge of anti-static work clothes and textiles. 【Guideline】 GB 19082-2009 Technical requirements for disposable medical protective clothing 5.9 Antistatic GB/T 12703-1991 Textile electrostatic test method 7.2 Friction zone point of work clothes (E method) GB/T 12703.2-2009 Evaluation of electrostatic properties of textiles Part 2: Charge density GB/T 12703.3-2009 Evaluation of electrostatic properties of textiles Part 3: Charge GB/T 32610-2016 Technical Specification for Daily Protective Masks A3.2.2 Pretreatment Method