Anti-static shoes law correctly and measurement method

by:BEF     2020-12-13
Anti-static shoes law correctly requirements: one, to ensure rapid eliminate accumulation of human body electrostatic, work at ordinary times is the resistance of the ground should be not greater than 1. 0× 10 ^ 8Ω; Second, anti-static shoes in wear it also has the certain requirement, at the bottom of the shoes cannot be stained with insulation impurities, at the same time to waterproof, moisture-proof; Third, pay attention to avoid wearing thick socks of the insulation at the same time, as well as the insulation insoles, etc. Anti-static shoe soles resistance must be zero. 5× 10 ^ 5 Ω to 1. 0× 10 ^ 8 Ω range, wear with 200 hours should be the soles resistance measurement, to ensure that the resistance value of shoes within the prescribed scope. We are the electric resistance of antistatic safety shoes, should pay attention to the following: one, the first place after vulcanization shoes more than 24 hours, and then in measuring the required temperature and humidity environment placed more than 2 hours, so as to measure the standard answer; Second, the connection circuit, applied to measure the voltage on the shoes for 500 & plusmn; 25 v, electrical power must not exceed 3 w, and make sure the shoe body contact with the measuring electrode good; Three, the output voltage of the voltage source is set to the value stipulated in the anti-static shoes; Four, in a report issued by shall accurately record test condition of the shoes, such as temperature, humidity, shoes model and measurement results should be filled in truly and correctly.
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