Using ESD Gun Test Equipment to Ensure Proper Generator ESD Protection

ESD is the abbreviation of Electrostatic discharge, which stands for electrostatic discharge. It refers to a sudden electric current between two objects with different electric potentials. This current flow occurs when an object builds up static electricity and comes into contact with another object that has a different electrical potential.

ESD can be generated by various sources such as friction, air movement or contact with other objects. It is common in everyday life and can cause damage to electronic components, especially those that are sensitive to electrostatic discharge.

ESD can range from minor shocks that are barely noticeable to more severe electrical discharges that can cause permanent damage to electronic equipment. This is especially problematic in environments where electronic components are manufactured, handled or shipped.

To prevent damage from electrostatic discharge, various measures are taken such as the use of anti-static mats, wrist straps and other protective equipment. ESD testing is also performed to evaluate the ability of electronic equipment to withstand and dissipate electrostatic discharge.

What is ESD testing?
ESD testing (Electrostatic discharge testing), also known as electrostatic discharge testing, is a procedure used to evaluate the ability of electronic equipment to withstand and dissipate electrostatic discharge. This test typically involves discharging the device at high voltage, either by contact or air discharge, and measuring the resulting current and voltage. The device is then evaluated based on whether it continues to function properly after discharge.

ESD testing is very important in the product development process of electronic devices, especially those sensitive to electrostatic discharge, to ensure that they can withstand various electrostatic events that may be encountered in the real world and meet regulatory requirements for safety and performance.

Standards and methods of ESD testing
ESD testing standards are mainly divided into two categories: human-machine interface (HBM) testing and electrode coupling (CDM) testing. Among them, the HBM test refers to the use of a human body model as an electrostatic discharge source for testing, while the CDM test uses a discharge source with circuit boards or chip pins as electrodes for testing.

The HBM test usually uses a grounded strap test environment, which has the advantage of being simple and easy to implement, and is the most widely used test method in the industry. Its test methods include three test methods of two-level accelerator, four-level accelerator and six-level accelerator, and the corresponding test requirements can be selected according to different needs of products.

Compared with HBM test, CDM test has higher practicability and reliability, and requires higher test equipment precision and control ability. For ESD testing of IC chips and semiconductor devices, CDM testing has become one of the internationally recognized standard testing methods.

There are two ESD test methods specified in this standard: contact discharge method and air discharge method.
1. Contact discharge method: a test method in which the electrodes of the test generator are kept in contact with the equipment under test and the discharge switch in the generator is used to stimulate the discharge.

2. Air discharge method: a test method in which the charging electrode of the test generator is placed close to the device under test and the spark stimulates the discharge of the device under test.
Contact discharge is the preferred test method and air discharge is used where contact discharge cannot be used.

ESD test equipment is an invaluable tool for technicians who need to ensure proper generator ESD protection. A faulty or ineffective ESD system can critically damage electronic components, causing costly repair bills or even complete component failure. ESD guns provide an efficient, reliable way to test a generator’s ability to protect against static electricity.

ESD gun test equipment works by simulating an electrical discharge on the generator. The test gun produces a low current pulse that produces a bright light beam, which is used to test the generator’s ability to protect against ESD. The gun has an adjustable power setting that is used to adjust the level of discharge, depending on the electrical rating of the generator.

Testing the generator’s ESD protection with ESD gun test equipment is a simple process. First, the power is disconnected from the generator and the ESD gun is connected to it. The power setting is adjusted correctly to simulate the electrical discharge and the gun is then fired one or more times. If the generator is able to withstand the test and there are no signs or symptoms of damage, then the generator has successfully passed its ESD test.

However, if the test results do not meet the generator’s rated ESD protection, then the generator should be inspected more closely or replaced immediately. Sometimes, replacing the generator can be the best option as it is significantly cheaper than having to pay for costly repairs to the damaged internal components.

ESD gun test equipment is a crucial tool for testing generator ESD protection. It is important to use ESD gun test equipment that has been tested and certified to ensure that it is suitable for the job. Additionally, it is important to make sure that the ESD gun is properly connected and the power setting is set correctly before testing to ensure the accuracy of the results. By following these precautions and using the right test equipment, technicians can ensure that their generator ESD protection is working optimally.

When conducting ESD testing, the following points need to be paid attention to:
1. Equipment calibration and safety inspection must be carried out before the test to ensure the accuracy of the test results and the safety of the testers.

2. The test needs to be carried out in accordance with the standard procedures, otherwise the test results may be distorted.
3. The actual use environment of the product should be taken into consideration before the test, and an appropriate test method and test parameters should be selected.

4. After the test, it is necessary to record and analyze the test results in detail, find out the problems and make improvements.

ESD test equipment is critical to accurately simulating and measuring electrostatic discharge during ESD testing to ensure electronic devices meet regulatory requirements and can withstand real-world ESD events.

ESD simulator guns (Electrostatic Discharge Generator/Electrostatic Gun/ESD Guns) is in full compliance with IEC 61000-4-2, EN61000-4-2, ISO10605, GB/T17626.2, GB/T17215.301 and GB/T17215.322.

ESD61000-2_Electrostatic Discharge Simulator

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS Test (EDXRF), Glow Wire Test and Needle Flame Test.

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