IEC 62368-1 Annex T.4 100N Steady Force Test Tool

The 100N Steady Force Test Tool is a precision instrument designed for compliance verification with IEC 62368-1:2024 Annex T.4, specifically for assessing the mechanical integrity of external enclosures in audio/video (AV) and information-communication technology (ICT) equipment, including devices such as tablet computers, desktop speakers, and modems. It delivers a calibrated steady force of 100N±10N through a 30mm diameter circular stainless steel contact surface, applied for a duration of approximately 5 seconds to designated points on the top, bottom, and side surfaces of equipment enclosures. Featuring an insulated ergonomic handle constructed from engineering plastic (PA66), the tool ensures operator safety and controlled application. Its primary function is to verify that enclosures can withstand specified mechanical stress without deformation, cracking, or exposure of hazardous live parts, thereby validating compliance with international safety standards including IEC, CSA, and UL requirements.

Specifications:
Tool Type: 100N Steady Force Test Tool (Compliant with IEC 62368-1:2024 Annex T.4 for mechanical strength testing of AV/ICT equipment enclosures)
Contact Surface: Stainless steel circular plate – Diameter: 30mm ±0.5mm (ensures uniform force distribution per standard specifications); Surface Finish: Smooth, free of burrs to prevent damage to enclosure surfaces
Applied Force: Steady force of 100N ±10N (calibrated in accordance with IEC 62368-1 Annex T.4 requirements)
Force Application Time: Approximately 5 seconds per test point (aligned with international safety testing protocols)
Handle Material: Insulated engineering plastic (PA66) – Heat resistance: up to 120°C; Designed with non-slip grip for operational stability; Electrical insulation resistance: ≥100MΩ
Excluded Test Components: Handles, levers, knobs, CRT display faces, or transparent/translucent covers (unless their removal would expose ES3 hazardous parts as defined by the standard)
Core Function: Evaluates AV/ICT equipment enclosure resistance to a 100N applied force; Prevents potential exposure of hazardous parts due to enclosure deformation; Ensures compliance with IEC, CSA C22.2 No.62368-1, and UL 62368-1 standards

Test Procedures:
1. Tool Inspection: Verify the contact plate diameter (30mm±0.5mm) and force calibration (100N±10N) using a traceable, calibrated force gauge.
2. Equipment Setup: Position the equipment under test (EUT), such as a tablet PC, on a flat, stable, and non-conductive surface.
3. Test Point Identification: Identify applicable test points on the EUT’s external enclosures (top, bottom, sides), excluding components specified as non-testable (e.g., knobs, handles).
4. Force Application: Align the tool’s 30mm contact plate perpendicular to the selected test point and apply a steady 100N force for a duration of 5 seconds.
5. Sequential Testing: Repeat step 4 systematically for all required test points across the enclosure surfaces.
6. Post-Test Evaluation: Inspect the EUT for any deformation, cracks, or exposure of hazardous parts. Document results: Pass if enclosure integrity is maintained; Fail if compromised.

Applications:
1. Mechanical strength testing of tablet PC enclosures in accordance with IEC 62368-1:2024 Annex T.4 to ensure resistance to 100N force without exposing internal circuits.
2. Verification of desktop speaker cabinet integrity compliant with CSA C22.2 No.62368-1:2024, preventing force-induced damage to internal audio components.
3. Evaluation of modem enclosures per UL 62368-1:2024 to assess their ability to withstand accidental mechanical pressure (e.g., from stacked objects) without hazardous part exposure.
4. Quality control validation for smart set-top box casings during manufacturing processes, confirming 100N force resistance as per IEC standards.
5. Post-production testing of portable projectors to verify compliance with global AV/ICT equipment mechanical strength requirements.

IEC 62368-1-Annex T.4 100N Steady Force Test Tool

Tags：SMT-368T4