YD/T 6151.2-2024 in English
VALIDTechnical requirements and test methods for information awareness components in mobile intelligent terminal——Part 2: Barometer
- Issued on:2024-12-10
- Implemented on:2025-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$219.00
| Standard No: | YD/T 6151.2-2024 |
| Document status: | VALID |
| Title in English: | Technical requirements and test methods for information awareness components in mobile intelligent terminal——Part 2: Barometer |
| Title in Chinese: | 移动智能终端中信息感知组件技术要求和测试方法 第2部分：气压计 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2024-12-10 |
| Implemented on: | 2025-04-01 |
| ICS Classification: | 33.060-Radiocommunications |
| Chinese Classification: | M37-Mobile communication equipment |
| Professional Classification: | YD-Telecommunication |
| Related Keywords: | test methods
standard barometer comparison method complete test system absolute accuracy test mobile intelligent terminal part |
Introduction
Analysis of the core content of the standard
As the second part of the mobile smart terminal sensor series standard, YD/T 6151.2-2024 focuses on standardizing the technical indicator system and detection method of the barometer component. This standard is applicable to smart terminal pressure sensors with a range of 300-1100hPa. Its technical framework includes:
| Technical dimensions | Core requirements | Test methods |
|---|---|---|
| Performance indicators | Level 4 accuracy level (0.01 to 0.5) | Standard barometer comparison method |
| Environmental adaptability | -20℃~+60℃ operating temperature | Constant temperature and humidity chamber test |
| Functional verification | Altitude conversion accuracy | Altimeter comparison measurement |
| Reliability | 24-hour stability±10Pa | Continuous monitoring method |
Detailed explanation of key technical indicators
The standard divides barometers into four categories according to their working principles: piezoelectric, piezoresistive, capacitive and silicon resonant, and formulates differentiated performance requirements:
Standardization of test methods
The standard innovatively establishes a complete test system, with the following highlights:
- Absolute accuracy test:The standard barometer comparison method is used, and the test points must cover the full range
- Temperature influence test:The Pa/℃ coefficient is required to be measured at a temperature change rate of 0.4℃/min
- Mechanical reliability:Including vibration test (5-2000Hz frequency band) and electrostatic discharge (1-5kV)
Implementation suggestions
Based on the experience of standard implementation:
- Factory inspection should focus on temperature influence coefficient and 24-hour stability
- Type inspection must include complete environmental testing (-40℃~120℃)
- It is recommended to adopt class=instrument>MEMS packaging technology improves the barometer's resistance to mechanical shock
Technology evolution analysis
Compared with early industry practices, this standard clarifies for the first time:
- RMS noise index (0.5Pa with filtering/2Pa without filtering)
- Working current classification requirements (≤2mA in sleep mode)
- Mathematical modeling specifications for altitude conversion
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