MIL-STD-810G Testing

Prime Testing Group Limited offers the following testing services:

MIL-STD-810G Testing

Smartphones, phone cases, computers, electronic products and other equipment are often tested against the standard and marketed as MIL-STD-810 compliant.

Drop Test

MIL-STD-810G, METHOD 516.6, Procedure IV - Transit Drop

Additional Information

MIL-STD-810G Testing Requirements for Electronic Devices

The MIL-STD-810G standard is widely recognized in military and commercial sectors as a benchmark for testing the durability and reliability of equipment under extreme environmental conditions. This standard applies not only to military hardware but also increasingly to consumer electronics such as smartphones, computers, and accessories like phone cases. The followings will explore the requirements of MIL-STD-810G testing, focusing on drop tests and the specific procedures outlined in Method 516.6, Procedure IV - Transit Drop.

Overview of MIL-STD-810G

1.1 Purpose of MIL-STD-810G

MIL-STD-810G provides a systematic approach to testing materials and equipment for their ability to withstand harsh environments. The standard is designed to ensure that products can operate reliably in conditions such as:

• Extreme temperatures

• Humidity

• Rain

• Dust

• Shock and vibration

• Altitude changes

1.2 Applicability

While initially developed for military applications, the standard is widely adopted across various industries, including consumer electronics, automotive, and aerospace. Manufacturers leverage MIL-STD-810G compliance to demonstrate product reliability to consumers and regulatory bodies.

Key Testing Methods in MIL-STD-810G

2.1 Environmental Testing

The standard encompasses numerous testing methods to simulate environmental stresses. Key methods include:

• Temperature and Humidity (Method 507.5)

• Rain (Method 506.5)

• Sand and Dust (Method 510.5)

• Vibration (Method 514.6)

• Shock (Method 516.6)

2.2 Focus on Drop Testing

Among these, drop testing is critical for determining how well devices can withstand impacts from falls and accidental drops. This is particularly relevant for handheld devices such as smartphones and tablets.

Drop Test Overview

3.1 Importance of Drop Testing

Drop testing evaluates a device's ability to survive impacts from drops that commonly occur during everyday use. Given the portable nature of smartphones and laptops, they are often subjected to drops from various heights and onto different surfaces.

3.2 Types of Drop Tests

Drop tests typically involve:

• Free Fall Drop Tests: Devices are dropped from a specified height onto a hard surface.

• Transit Drop Tests: Simulate the impacts that occur during transportation.

MIL-STD-810G, METHOD 516.6, Procedure IV - Transit Drop

4.1 Overview of Procedure IV

Method 516.6, Procedure IV outlines the testing requirements for evaluating the impact resistance of equipment during transit. The goal is to ensure that devices can survive the rigors of handling, shipping, and storage without sustaining damage.

4.2 Test Setup

i) Test Equipment: A suitable drop test fixture must be used to perform the drops accurately.

ii) Sample Size: Typically, three samples are tested to ensure consistency and reliability of results.

iii) Drop Height: The drop height is predetermined based on the device weight and the expected handling conditions.

4.3 Test Procedure

i) Conditioning: Devices should be conditioned at specified temperatures and humidity levels prior to testing.

ii) Orientation: Each device is dropped in multiple orientations (e.g., corner, edge, flat) to simulate various impact scenarios.

iii) Number of Drops: Each sample undergoes a series of drops (usually a minimum of 26 drops) from the specified height.

iv) Post-Test Inspection: After testing, devices are inspected for physical and functional damage. Key areas of evaluation include:

- Cracks or breaks in the casing

- Malfunctions in device functionality

- Disruption to internal components

4.4 Data Analysis

Data collected during testing are analyzed to determine if the device meets the required performance criteria. Compliance with MIL-STD-810G indicates that the device can withstand transit impacts without significant failure.

Requirements for Smartphones, Phone Cases, Computers, and Electronic Products

5.1 Smartphones

• Drop Height: Typically, smartphones are tested for drops from heights ranging from 1.5 to 2 meters.

• Durability Features: Devices often incorporate reinforced corners, durable screens, and shock-absorbent materials.

5.2 Phone Cases

• Material Selection: Phone cases are tested for impact resistance and must be able to absorb shock effectively.

• Design Compliance: Cases must fit snugly and prevent movement of the device within the case during impacts.

5.3 Computers

• Laptop Testing: Laptops are subjected to similar drop test standards, with additional focus on the hinge and screen durability.

• Component Protection: Internal components must be secured to prevent damage from shocks.

5.4 Other Electronic Products

• General Requirements: All electronic devices should undergo similar testing based on their intended use and exposure to potential impacts.

MIL-STD-810G testing provides a comprehensive framework for evaluating the durability and reliability of electronic devices under extreme conditions. Drop testing, particularly Method 516.6, Procedure IV, is essential for ensuring that smartphones, computers, and other equipment can withstand the rigors of everyday use and transit. Manufacturers committed to adhering to these standards can enhance product reliability, safety, and consumer confidence in their devices. As technology continues to evolve, the importance of robust testing standards like MIL-STD-810G will remain critical in ensuring that electronic products meet the demands of both consumers and harsh environments.