---
title: "Load Sensor (Load Cell)"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LOAD_SENSOR_LOAD_CELL"
  data_integrity_hash: "0d3b07814a3e7b9af473e4a56bf074bc"
  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:LOAD_SENSOR_LOAD_CELL"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/load-sensor-load-cell.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/load-sensor-load-cell"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-100 kN with 0.05% FS accuracy"
    unit: "kN or t"
engineering_limits:
  max_safe_operating_point:
    value: 150
    unit: "kN"
    consequence: "Plastic deformation of strain gauge foil beyond 0.3% strain, exceeding Hooke's Law elastic limit (σ_y = 250 MPa for 17-4PH stainless steel)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Moisture ingress exceeding 95% RH for 1000 hours"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic sealing with laser-welded 316L stainless steel housing and desiccant cavity"
  - node_2:
      trigger: "Thermal cycling between -40°C and 85°C at 10°C/min gradient"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Matched coefficient of expansion materials (17-4PH steel with Al₂O₃ substrate) and temperature compensation network"
bom_nodes:
  elastic-element-spring-element:
    type: "component"
    urn: "URN:CNFX:ME:ELASTIC_ELEMENT_SPRING_ELEMENT"
    interface_type: "physical-logic-coupled"
  strain-gauges:
    type: "component"
    urn: "URN:CNFX:ME:STRAIN_GAUGES"
    interface_type: "physical-logic-coupled"
  sealing-housing:
    type: "component"
    urn: "URN:CNFX:ME:SEALING_HOUSING"
    interface_type: "physical-logic-coupled"
  cable-connector:
    type: "component"
    urn: "URN:CNFX:ME:CABLE_CONNECTOR"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 376:2011 (CALIBRATION OF FORCE-PROVING INSTRUMENTS USED FOR THE VERIFICATION OF UNIAXIAL TESTING MACHINES)"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING (EU DIRECTIVE 2014/35/EU FOR LOW VOLTAGE EQUIPMENT AND 2014/30/EU FOR ELECTROMAGNETIC COMPATIBILITY)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/load-sensor-load-cell.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9054d5a7b36b0156af727d24597010fe1875ebf71bbd540045521dc8ffab5009"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Load Sensor (Load Cell)

## 1. Technical Definition
A transducer that converts mechanical force or load into an electrical signal for measurement and monitoring.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-100 kN with 0.05% FS accuracy**. Failure boundary: **150% of rated capacity (150 kN) causes permanent deformation of strain gauge elements**, Mechanism: **Plastic deformation of strain gauge foil beyond 0.3% strain, exceeding Hooke's Law elastic limit (σ_y = 250 MPa for 17-4PH stainless steel)**.

### 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 exceeding 95% RH for 1000 hours | 8 | Corrosion-induced bridge imbalance causing 5% zero offset drift | Hermetic sealing with laser-welded 316L stainless steel housing and desiccant cavity |
| Thermal cycling between -40°C and 85°C at 10°C/min gradient | 8 | Differential expansion mismatch creating 2 mV/V thermal zero shift | Matched coefficient of expansion materials (17-4PH steel with Al₂O₃ substrate) and temperature compensation network |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Signal Conditioner/Amplifier**, **Data Acquisition System**, **Calibration Test Stand**  
**Downstream Applications**: Industrial Weighing Scales, Material Testing Machines, Process Control Systems  

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

### Q: What are the key differences between alloy steel and stainless steel load sensors?
**A**: Alloy steel load sensors offer higher strength-to-weight ratios and are cost-effective for general industrial applications, while stainless steel sensors provide superior corrosion resistance for harsh environments, food processing, or chemical exposure.

### Q: How do strain gauges work in load cell measurement?
**A**: Strain gauges are bonded to the elastic element and change electrical resistance when the material deforms under load. This resistance change is measured and converted into an electrical signal proportional to the applied force.

### Q: What maintenance is required for industrial load sensors?
**A**: Regular calibration checks, inspection of cables and connectors for damage, cleaning of sealing surfaces, and verification of mounting alignment. Environmental protection should be maintained according to the housing's IP rating.

## 6. Manufacturing Compliance
- ISO 376:2011 (CALIBRATION OF FORCE-PROVING INSTRUMENTS USED FOR THE VERIFICATION OF UNIAXIAL TESTING MACHINES)
- CE MARKING (EU DIRECTIVE 2014/35/EU FOR LOW VOLTAGE EQUIPMENT AND 2014/30/EU FOR ELECTROMAGNETIC COMPATIBILITY)

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

### 🌐 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**: LOAD_SENSOR_LOAD_CELL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 3f65a4f8
