---
title: "Pressure Sensor"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:PRESSURE_SENSOR"
  data_integrity_hash: "5e8d5774f2c55ec240b2b7f623e11d65"
  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:PRESSURE_SENSOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/pressure-sensor.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/pressure-sensor"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-100 bar"
    unit: "bar"
engineering_limits:
  max_safe_operating_point:
    value: 150
    unit: "bar"
    consequence: "Diaphragm yield stress exceeding 250 MPa (stainless steel) or piezoresistive element fracture at 1.5 GPa silicon ultimate strength"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Condensation ingress due to 85% RH at 40°C ambient"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic sealing with IP68 rating and desiccant-filled cavity"
  - node_2:
      trigger: "Thermal cycling between -20°C and 120°C at 10 cycles/hour"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Gold-plated pin connections with 100 μm nickel barrier layer"
bom_nodes:
  diaphragm:
    type: "component"
    urn: "URN:CNFX:ME:DIAPHRAGM"
    interface_type: "physical-logic-coupled"
  sensing-element:
    type: "component"
    urn: "URN:CNFX:ME:SENSING_ELEMENT"
    interface_type: "physical-logic-coupled"
  housing:
    type: "component"
    urn: "URN:CNFX:ME:HOUSING"
    interface_type: "physical-logic-coupled"
  electrical-connector:
    type: "component"
    urn: "URN:CNFX:ME:ELECTRICAL_CONNECTOR"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 16063-21:2021 - METHODS FOR THE CALIBRATION OF VIBRATION AND SHOCK TRANSDUCERS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ISA 37.12.01-2009 - SPECIFICATIONS AND TESTS FOR PIEZORESISTIVE PRESSURE TRANSDUCERS"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 60770-1:2011 - TRANSMITTERS FOR USE IN INDUSTRIAL-PROCESS CONTROL SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/pressure-sensor.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "f2cfbb3dbcf1a0dad6e26bb605a2d9864508de5f2d2b5a4bbec38ec0acaeda32"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Pressure Sensor

## 1. Technical Definition
A device that measures fluid pressure within a pumping system and converts it into an electrical signal.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-100 bar**. Failure boundary: **150 bar (burst pressure) or -1 bar (vacuum collapse)**, Mechanism: **Diaphragm yield stress exceeding 250 MPa (stainless steel) or piezoresistive element fracture at 1.5 GPa silicon ultimate strength**.

### 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 |
| :--- | :--- | :--- | :--- |
| Condensation ingress due to 85% RH at 40°C ambient | 8 | Bridge circuit short with 0.5 mA leakage current | Hermetic sealing with IP68 rating and desiccant-filled cavity |
| Thermal cycling between -20°C and 120°C at 10 cycles/hour | 8 | Solder joint fatigue cracking after 50,000 cycles | Gold-plated pin connections with 100 μm nickel barrier layer |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Signal Conditioner**, **Data Acquisition System**, **Calibration Equipment**  
**Downstream Applications**: Industrial Pumps, Hydraulic Systems, Process Control Panels  

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

### Q: What materials make this pressure sensor suitable for industrial machinery applications?
**A**: This pressure sensor features a durable construction using stainless steel for the housing and diaphragm, ceramic for insulation and stability, and silicon for the sensing element, making it resistant to corrosion, high temperatures, and mechanical stress in demanding machinery environments.

### Q: How does this pressure sensor convert fluid pressure into an electrical signal?
**A**: The sensor uses a diaphragm that flexes under fluid pressure, which is connected to a silicon-based sensing element (like a piezoresistive or capacitive element). This movement creates a change in electrical resistance or capacitance, which is then converted into a standardized electrical signal (e.g., 4-20mA or 0-10V) via internal circuitry for easy integration with control systems.

### Q: What are the key components in the BOM that ensure reliability in pumping systems?
**A**: The bill of materials includes a robust diaphragm to withstand pressure fluctuations, a precision sensing element for accurate measurement, a sealed housing to protect against environmental factors, and a reliable electrical connector for secure signal transmission, all designed to maintain performance in continuous pumping operations.

## 6. Manufacturing Compliance
- ISO 16063-21:2021 - METHODS FOR THE CALIBRATION OF VIBRATION AND SHOCK TRANSDUCERS
- ANSI/ISA 37.12.01-2009 - SPECIFICATIONS AND TESTS FOR PIEZORESISTIVE PRESSURE TRANSDUCERS
- DIN EN 60770-1:2011 - TRANSMITTERS FOR USE IN INDUSTRIAL-PROCESS CONTROL SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Pressure Sensor](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/pressure-sensor)**

### 🌐 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**: PRESSURE_SENSOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 0078fe48
