EPA ESD control item testing_Knowledge_AiYong Instruments (Suzhou) Co., Ltd.

Daily inspection of anti-static footwear

It is equipped with a 750KΩ-10MΩ circuit (for testing wristbands) and a 750KΩ-100MΩ circuit (for testing shoes) for measuring the comprehensive resistance of the human body (including the resistance of the human body, wrist straps and shoes) for measuring the comprehensive resistance of the human body (including the resistance of the human body, wrist straps and shoes, etc.) of people entering the EPA.

EPA antistatic technical requirements

* System Resistor:1×10^5 ~ 1×10^9Ω

* SJ/T10694-2006 Standardized

Daily inspection of wristbands

To ensure that the charged potential of the operator's body is always at a low level, an antistatic wrist strap for body grounding can be used.

EPA antistatic technical requirements

* Resistance requirements in the worn state:7.5×10^5 ~ 1×10^7Ω

* SJ/T10694-2006 Standardized

Ionizing Bar Performance Testing

Test instrument Tronovo TS7508A charged plate monitor, consists of a built-in timer, high voltage generator, electric field sensor. Utilizing its own flat electrode and built-in 1015Ω high impedance design, it can be used to detect the electrostatic potential and electrostatic eliminator electrostatic decay time and ionic balance, and can also detect the electrostatic decay time of the material.

EPA anti-static technical requirements

* Offset voltage (Peak): -35 volts < V offset < 35 volts

* ANSI/ESD S20.20 standardized

* ANSI/ESD STM3.1 standardized

Ionizing topgun performance test

Test instrument Tronovo TS7508A charged plate monitor, consists of a built-in timer, high voltage generator, electric field sensor. Utilizing its own flat electrode and built-in 1015Ω high impedance design, it can be used to detect the electrostatic potential and electrostatic eliminator electrostatic decay time and ionic balance, and can also detect the electrostatic decay time of the material.

EPA anti-static technical requirements

* Offset voltage (Peak): -35 volts < V offset < 35 volts

* ANSI/ESD S20.20 standardized

* ANSI/ESD STM3.1 standardized

Ionized Wind Snake Performance Measurements

Test instrument Tronovo TS7508A charged plate monitor, consists of a built-in timer, high voltage generator, electric field sensor. Utilizing its own flat electrode and built-in 1015Ω high impedance design, it can be used to detect the electrostatic potential and electrostatic eliminator electrostatic decay time and ionic balance, and can also detect the electrostatic decay time of the material.

EPA anti-static technical requirements

* Offset voltage (Peak): -35 volts < V offset < 35 volts

* ANSI/ESD S20.20 standardized

* ANSI/ESD STM3.1 standardized

Ionizing nozzle performance measurement

Test instrument Tronovo TS7508A charged plate monitor, consists of a built-in timer, high voltage generator, electric field sensor. Utilizing its own flat electrode and built-in 1015Ω high impedance design, it can be used to detect the electrostatic potential and electrostatic eliminator electrostatic decay time and ionic balance, and can also detect the electrostatic decay time of the material.

EPA anti-static technical requirements

* Offset voltage (Peak): -35 volts < V offset < 35 volts

* ANSI/ESD S20.20 standardized

* ANSI/ESD STM3.1 standardized

Glove System Resistance Measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Glove system resistance <3.5×10⁷ ohms

* SJ/T 10694 - 2022 standardized

Finger sleeve system resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Finger sleeve system resistance <3.5×10⁷ ohms

* SJ/T 10694 - 2022

Finger Sleeve Point-to-Point Resistance Measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

surface resistance tester two-point resistance test

EPA anti-static technical requirements

* Antistatic finger cots two-point resistance <3.5×10⁷ ohms

* SJ/T 10694 - 2022 standardized

Anti-static pen resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Antistatic pen two-point resistance <1.0×10¹¹ ohms

Antistatic Screwdriver Resistance Measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Two-point resistance <1.0×10¹¹ ohms

Anti-static tweezers resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Antistatic tweezers two-point resistance <1.0×10¹¹ ohms

Anti-static tray resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Anti-static tray two point resistance <1.0 x 10⁹ohms

Measurement of surface resistance of anti-static gloves

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Glove surface resistance <3.5 x 10⁷ ohms

Glove volume resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Glove volume resistance <3.5 x 10⁷ ohms

Surface resistance measurement of packaging bags

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* 1. Conductive packaging <1.0 x 10⁴ohms

* 2. Dissipative package: ≥ 1.0 × 10⁴ohms

<1.0 × 10¹¹ohms

* 3. Discharge shield: ≥ 1.0 × 10⁴ohms

<1.0 × 10¹¹ohms

Measurement of volume resistance of packaging bags

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Conductive packaging <1.0 x 10⁴ohms

* Dissipative package ≥ 1.0 × 10⁴ohms

<1.0 × 10¹¹ohms

* Discharge shield ≥ 1.0 × 10⁴ohms

<1.0 × 10¹¹ohms

Antistatic footwear system resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Anti-static shoe system resistance <1.0 x 10⁹ ohms

Anti-static shoe resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

tronovo surface resistance testing tools

EPA anti-static technical requirements

* Anti-static shoe system resistance <1.0 x 10⁹ ohms

Anti-static foot electrode resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Foot electrode resistance <1.0 × 10⁹ ohms

Resistance measurement of anti-static clothing

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Anti-static clothing point-to-point resistance <1.0 × 10¹¹ohms

* SJ/T 10694-2022

Wristband System Resistance Measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Anti-static wrist strap system resistance <3.5 × 10⁷ ohms

Wristband resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Wrist strap resistance inside:<1.0 × 10⁵ ohms outside:>1.0 × 10⁷ ohms

Measurement of the resistance of the workbench facing the ground

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Table-to-ground resistance <1.0 × 10⁹ ohms

* SJ/T 10694-2022 standardized

Floor Point-to-Point Resistance Measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements：

* Floor Point-to-Point Resistance <1.0 × 10⁹ ohms

Floor-to-ground resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Floor-to-ground resistance <1.0 × 10⁹ ohms

Footwear Resistance Measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Anti-static shoe system resistance <1.0 x 10⁹ ohms

Anti-static tray point-to-point resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Anti-static tray two-point resistance <1.0 × 10⁹ ohms

Anti-static tray volume resistance measurement

This measurement instrument use:Tronovo TM5402 heavy hammer anti-static tester professional heavy hammer surface resistance tester, also known as impedance tester, anti-static tester or megohmmeter, used to measure the impedance or resistance of all conductive, antistatic and static dissipative surfaces.

EPA anti-static technical requirements

* Anti-static tray volume resistance <1.0 x 10⁹ohms

( I )Study on the technical limitations of CPM ion balance measurement

The current charging plate monitor (CPM) technology has certain technical limitations when dealing with voltage switching static eliminators such as AC, pulse AC and high frequency AC.

EPA Antistatic Technical Requirements

* Peak voltage limit requirement for ion balance

* Test instrument response bandwidth requirements

* Risk management for pulsed/AC-type static eliminators

* Risk assessment criteria

* Standard compliance determination logic

(II)Study on the technical limitations of CPM ion balance measurement

With the characteristics of rapid ionization and high-efficiency static removal, the high-frequency AC ion fan has become the core equipment in the field of static control such as integrated circuit manufacturing and precision electronic component assembly.

EPA Antistatic Technology Requirements

* Peak ion balance voltage limit requirements

* Test instrument response bandwidth requirements

* Risk Management for Pulse/AC-Type Static Eliminators

* Test Installation Condition Requirements (ANSI/ESD SP3.5)

* Risk Assessment Criteria

* Standard compliance determination logic

EPA ESD control item testing

EPA ESD control item testing

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