---
title: "Precision Pressure Transducer Sensing Element"
industry: "Manufacture of Measuring, Testing, Navigation and Control Equipment"
verification_protocol:
  urn: "URN:CNFX:ME:PRECISION_PRESSURE_TRANSDUCER_SENSING_ELEMENT"
  data_integrity_hash: "f496afef863a97320ed33da8cace65dd"
  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:PRECISION_PRESSURE_TRANSDUCER_SENSING_ELEMENT"
  data_source_uri: "https://cnfx.com/llms/industry/manufacture-measuring-testing-navigation-equipment/product/precision-pressure-transducer-sensing-element.md"
  official_resource_url: "https://cnfx.com/industry/manufacture-measuring-testing-navigation-equipment/product/precision-pressure-transducer-sensing-element"
  is_verified_logic: true
attributes:
  accuracy_class:
    status: "config-dependent"
    typical_range: "0-100 bar absolute pressure, -40°C to 125°C ambient temperature"
    unit: "%FS"
  pressure_range:
    status: "config-dependent"
    typical_range: "1.5-3.0 bar"
    unit: "bar"
engineering_limits:
  max_safe_operating_point:
    value: 150
    unit: "bar"
    consequence: "Silicon diaphragm fracture at 150 bar due to crystalline structure yield strength limit of 7 GPa, dielectric breakdown at 150°C from polysilicon piezoresistor dopant diffusion exceeding 1×10^18 atoms/cm³"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Media temperature exceeding 150°C"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated platinum RTD temperature compensation with 0.1°C resolution feedback loop"
  - node_2:
      trigger: "100 Hz sinusoidal pressure pulsation at 80% of full scale"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "3 μm thick silicon-on-insulator diaphragm with 500 MPa tensile strength and 0.3 μm silicon oxide stress relief layer"
bom_nodes:
  sensing-diaphragm:
    type: "component"
    urn: "URN:CNFX:ME:SENSING_DIAPHRAGM"
    interface_type: "physical-logic-coupled"
  piezoresistive-bridge:
    type: "component"
    urn: "URN:CNFX:ME:PIEZORESISTIVE_BRIDGE"
    interface_type: "physical-logic-coupled"
  protective-coating:
    type: "component"
    urn: "URN:CNFX:ME:PROTECTIVE_COATING"
    interface_type: "physical-logic-coupled"
  electrical-terminals:
    type: "component"
    urn: "URN:CNFX:ME:ELECTRICAL_TERMINALS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING (EU DIRECTIVE 2014/35/EU FOR LOW VOLTAGE EQUIPMENT)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/manufacture-measuring-testing-navigation-equipment/product/precision-pressure-transducer-sensing-element.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "0f74892eda195454eea9d141ea9bd6fda44e86c97200ef0a585d63d685ac2b1d"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Precision Pressure Transducer Sensing Element

## 1. Technical Definition
Core sensing component converting pressure variations into measurable electrical signals.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-100 bar absolute pressure, -40°C to 125°C ambient temperature**. Failure boundary: **150 bar burst pressure, 150°C maximum media temperature, 10^9 pressure cycles at 100 bar**, Mechanism: **Silicon diaphragm fracture at 150 bar due to crystalline structure yield strength limit of 7 GPa, dielectric breakdown at 150°C from polysilicon piezoresistor dopant diffusion exceeding 1×10^18 atoms/cm³**.

### 2.1 Analytical Physics Model
Governed by the **Thin-Wall Pressure Vessel Stress Analysis**:

> **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$  
> **Engineering Impact**: Determines the hoop stress boundary to prevent rupture.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Internal Pressure | Engineering Constant |
| D | Diameter | Engineering Constant |
| t | Wall Thickness | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Media temperature exceeding 150°C | 8 | Piezoresistive coefficient drift beyond ±0.15% FS/°C specification | Integrated platinum RTD temperature compensation with 0.1°C resolution feedback loop |
| 100 Hz sinusoidal pressure pulsation at 80% of full scale | 8 | Silicon diaphragm fatigue crack propagation after 10^7 cycles | 3 μm thick silicon-on-insulator diaphragm with 500 MPa tensile strength and 0.3 μm silicon oxide stress relief layer |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| accuracy_class | Config-dependent | %FS | Verified |
| pressure_range | Config-dependent | bar | Verified |

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Calibration Pressure Standard**, **Signal Conditioning Amplifier**, **Environmental Test Chamber**  
**Downstream Applications**: Industrial Pressure Transmitters, Medical Ventilator Sensors, Aircraft Altitude Indicators  

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

### Q: What is the typical accuracy range for this pressure transducer sensing element?
**A**: The precision pressure transducer sensing element offers accuracy specifications measured as a percentage of full scale (%FS), with specific values determined by application requirements and calibration standards.

### Q: How does the stainless steel diaphragm affect sensor performance?
**A**: The stainless steel diaphragm provides excellent corrosion resistance and durability, ensuring stable performance across the specified operating temperature range and maintaining long-term stability measured in %FS/year.

### Q: What output signals are available from this sensing element?
**A**: This sensing element provides standardized output signals in either voltage (V) or current (mA) formats, compatible with common measurement and control systems in the testing and navigation equipment industry.

## 6. Manufacturing Compliance
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS
- CE MARKING (EU DIRECTIVE 2014/35/EU FOR LOW VOLTAGE EQUIPMENT)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Precision Pressure Transducer Sensing Element](https://cnfx.com/industry/manufacture-measuring-testing-navigation-equipment/product/precision-pressure-transducer-sensing-element)**

### 🌐 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**: PRECISION_PRESSURE_TRANSDUCER_SENSING_ELEMENT | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b3c81e01
