How to use the anti-static wrist strap correctly
Anti-static wrist strap with electrostatic ring is a device that is worn on the wrist of the human body and vents the body to accumulate electrostatic charge. It is divided into wired type and wireless type, and has a metal ring and an elastic conductive wire mixed ring. Among them, the wired anti-static wrist strap buckle adjusts it to effectively protect the zero-resistance parts from the interference of static electricity, and is used to discharge static electricity from the human body. It consists of an anti-static elastic band, a snap button, a spring cord, a protective resistor and a collet. The inner layer of the elastic band is woven with an antistatic yarn, and the outer layer is woven with ordinary yarn.
Static grounding socket (required electrostatic grounding system)
Method / step
First, the principle of anti-static wired wrist strap is to guide the static electricity of the human body to the earth through the wrist strap and the grounding wire. In use, the wrist strap is in contact with the skin and the ground wire is grounded directly for maximum effectiveness. Put on this anti-static wrist strap, which can safely remove static electricity generated in the human body within 0.1 seconds. The grounding wrist strap is the most basic and most commonly used in anti-static equipment.
2. Ensure that the metal buckle of the ESD wrist strap is in full contact with the skin and that the other end of the wrist strap is properly connected to the grounding jack of the device.
Third, in the process of using the products at the production site, due to the influence of various products or environmental factors, most of the products did not achieve the expected use effect, thus generating a large number of extension problems.
1. The anti-static wrist strap has been tested by instruments outside the workshop, but what is the real-time working condition of the anti-static wrist strap during the use of the product?
2. How to prevent the operator from causing electrostatic protection failure due to improper strapping of the anti-static wrist strap;
3, the relevant departments on the static protection work flow in the form, the anti-static wristband test results perfunctory and cause the product non-performing rate to rise;
4. Due to the unclear understanding of the operator's on-site static protection, the company blindly added static protection products, resulting in an increase in personnel and company costs.
5. Due to the unclear understanding of the operator's on-site static protection, the operator is required to test the anti-static wrist strap once every other period of time, resulting in the loss of manpower.
4. According to ANSI/ESD S20.20 Section 6.2.2.2 Guidelines for Personnel Grounding Requirements “In all cases, the personnel grounding system includes connections between people, controls and grounding points. The records should be kept to verify that the personnel have been tested. Pass their personal grounding device." At the same time, ESD-S1.1 6.13 states that “every day (wristband system) test can be ignored when continuous monitoring system is used”.
SALM series grounding system online monitor can continuously monitor the working status of one or two operators' wrist strap grounding system, automatically sound and light alarm, prompt the operator to check the bad grounding system and components, eliminate the costly and complicated monitoring wristband Record the need to maintain. At the same time, it has the characteristics of small size, light weight, simple use, strong real-time performance, monitoring of intelligent goods, etc., ensuring the normal use of the wrist strap grounding system in the anti-static (personal) work area, and judging whether the wrist strap is being monitored.