---
title: "Sensor Connection Head"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SENSOR_CONNECTION_HEAD"
  data_integrity_hash: "d5cf206441b90e06aabb981ca338dd89"
  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:SENSOR_CONNECTION_HEAD"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/sensor-connection-head.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/sensor-connection-head"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "-40°C to 250°C ambient temperature, 0-100 bar pressure differential"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 275
    unit: "°C"
    consequence: "Thermal expansion mismatch between 316L stainless steel housing (17.3 μm/m·K) and Inconel 600 thermowell (12.6 μm/m·K) causing seal compression loss"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Moisture ingress through cable gland at 85% relative humidity"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic sealing with laser-welded 0.1mm aluminum foil moisture barrier"
  - node_2:
      trigger: "Vibration-induced fretting at 15g RMS acceleration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Spring-loaded gold-plated contacts with 10N normal force per pin"
bom_nodes:
  enclosure-body:
    type: "component"
    urn: "URN:CNFX:ME:ENCLOSURE_BODY"
    interface_type: "physical-logic-coupled"
  covergasket:
    type: "component"
    urn: "URN:CNFX:ME:COVERGASKET"
    interface_type: "physical-logic-coupled"
  terminal-block:
    type: "part"
    urn: "URN:CNFX:ME:TERMINAL_BLOCK"
    interface_type: "physical-logic-coupled"
  conduit-entry:
    type: "component"
    urn: "URN:CNFX:ME:CONDUIT_ENTRY"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/sensor-connection-head.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "3361282b362d454fecaa3c394372fb59f402d058390230cc328c145f6e32fd84"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Sensor Connection Head

## 1. Technical Definition
A protective housing and connection interface for temperature sensors within thermowell assemblies.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **-40°C to 250°C ambient temperature, 0-100 bar pressure differential**. Failure boundary: **Seal failure at 275°C (PTFE gasket degradation), housing fracture at 150 bar internal pressure**, Mechanism: **Thermal expansion mismatch between 316L stainless steel housing (17.3 μm/m·K) and Inconel 600 thermowell (12.6 μm/m·K) causing seal compression loss**.

### 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 |
| :--- | :--- | :--- | :--- |
| Moisture ingress through cable gland at 85% relative humidity | 8 | Corrosion-induced short circuit between terminal blocks | Hermetic sealing with laser-welded 0.1mm aluminum foil moisture barrier |
| Vibration-induced fretting at 15g RMS acceleration | 8 | Connector pin wear exceeding 50μm material loss | Spring-loaded gold-plated contacts with 10N normal force per pin |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Terminal Block](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/terminal-block.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Machining Center**, **Thread Rolling Machine**, **Leak Testing Equipment**  
**Downstream Applications**: Thermowell Assemblies, Process Temperature Monitoring Systems, Industrial Control Panels  

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

### Q: What materials are available for the sensor connection head?
**A**: Our sensor connection heads are available in stainless steel for high-temperature applications, aluminum for lightweight durability, and plastic (polycarbonate) for corrosion resistance in chemical environments.

### Q: How does the connection head protect temperature sensors in thermowell assemblies?
**A**: The connection head provides a sealed protective housing that shields sensor terminals from environmental factors like moisture, dust, and mechanical damage, while offering secure conduit entry and terminal block connections for reliable operation.

### Q: What components are included in the sensor connection head assembly?
**A**: Each unit includes an enclosure body, cover with gasket for sealing, terminal block for secure sensor connections, and multiple conduit entry options to accommodate various installation requirements in machinery applications.

## 6. Manufacturing Compliance
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS

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

### 🌐 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**: SENSOR_CONNECTION_HEAD | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b67837ac
