---
title: "Accelerometer"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ACCELEROMETER"
  data_integrity_hash: "6e711ee4fd09001d2b238c587b767758"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:ACCELEROMETER"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/accelerometer.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/accelerometer"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "±2g to ±400g (full-scale range), 0.1g resolution, -40°C to +125°C temperature range"
    unit: "g"
engineering_limits:
  max_safe_operating_point:
    value: 500
    unit: "g"
    consequence: "MEMS capacitive plate mechanical fracture at 500g stress, piezoelectric crystal depolarization at 150°C Curie temperature, silicon fatigue at 10^7 vibration cycles"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge exceeding 8kV HBM"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "ESD protection diodes with 15kV IEC 61000-4-2 rating, Faraday cage shielding"
  - node_2:
      trigger: "Mechanical resonance at 2kHz natural frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Damping gel with 0.7 damping ratio, anti-aliasing filter at 1kHz cutoff"
bom_nodes:
  proof-mass:
    type: "component"
    urn: "URN:CNFX:ME:PROOF_MASS"
    interface_type: "physical-logic-coupled"
  suspension-springs:
    type: "component"
    urn: "URN:CNFX:ME:SUSPENSION_SPRINGS"
    interface_type: "physical-logic-coupled"
  fixed-electrodes:
    type: "component"
    urn: "URN:CNFX:ME:FIXED_ELECTRODES"
    interface_type: "physical-logic-coupled"
  asic:
    type: "component"
    urn: "URN:CNFX:ME:ASIC"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 16063-21:2003 - METHODS FOR THE CALIBRATION OF VIBRATION AND SHOCK TRANSDUCERS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ISA-37.12.01-2009 - SPECIFICATIONS AND TESTS FOR PIEZOELECTRIC ACCELERATION TRANSDUCERS"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 60068-2-6:2008 - ENVIRONMENTAL TESTING - VIBRATION TESTS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/accelerometer.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "a5213f54af88e16ef44799ad60faa417372719baffca1317f356c9a9187b5569"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Accelerometer

## 1. Technical Definition
A sensor that measures proper acceleration (g-force) along one or more axes.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **±2g to ±400g (full-scale range), 0.1g resolution, -40°C to +125°C temperature range**. Failure boundary: **Acceleration exceeding 500g causes MEMS structure fracture, operating temperature beyond -55°C to +150°C causes material degradation**, Mechanism: **MEMS capacitive plate mechanical fracture at 500g stress, piezoelectric crystal depolarization at 150°C Curie temperature, silicon fatigue at 10^7 vibration cycles**.

### 2.1 Analytical Physics Model
Governed by the **Combined Measurement Uncertainty**:

> **Primary Equation**: $u_c = \sqrt{\sum u_i^2}$  
> **Engineering Impact**: Defines the precision confidence interval for inspection.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| u_i | Standard Uncertainty components | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge exceeding 8kV HBM | 8 | ASIC integrated circuit latch-up and permanent damage | ESD protection diodes with 15kV IEC 61000-4-2 rating, Faraday cage shielding |
| Mechanical resonance at 2kHz natural frequency | 8 | Signal saturation and false positive readings | Damping gel with 0.7 damping ratio, anti-aliasing filter at 1kHz cutoff |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | g | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Signal Conditioning Unit**, **Calibration Test System**, **Environmental Test Chamber**  
**Downstream Applications**: Smartphones, Automotive Airbag Systems, Industrial Vibration Monitoring Systems  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the operating principle of this accelerometer?
**A**: This accelerometer uses MEMS technology where a proof mass suspended by springs moves between fixed electrodes when acceleration occurs, creating measurable capacitance changes that are processed by the ASIC to determine g-force.

### Q: Why are silicon and polysilicon used in accelerometer construction?
**A**: Silicon and polysilicon provide excellent mechanical properties, thermal stability, and compatibility with semiconductor manufacturing processes, allowing for precise, miniaturized sensor structures with consistent performance in electronic and optical applications.

### Q: How does this accelerometer benefit computer and optical product manufacturing?
**A**: It enables precise motion detection, vibration monitoring, and orientation sensing in manufacturing equipment, helping maintain quality control, prevent damage to delicate optical components, and ensure proper assembly of computer hardware.

## 6. Manufacturing Compliance
- ISO 16063-21:2003 - METHODS FOR THE CALIBRATION OF VIBRATION AND SHOCK TRANSDUCERS
- ANSI/ISA-37.12.01-2009 - SPECIFICATIONS AND TESTS FOR PIEZOELECTRIC ACCELERATION TRANSDUCERS
- DIN EN 60068-2-6:2008 - ENVIRONMENTAL TESTING - VIBRATION TESTS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Accelerometer](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/accelerometer)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: ACCELEROMETER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 0e127569
