---
title: "Gauge or Sensor"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:GAUGE_OR_SENSOR"
  data_integrity_hash: "bcb0a08aef18e841307903c4d705e2df"
  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:GAUGE_OR_SENSOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/gauge-or-sensor.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/gauge-or-sensor"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-1000 mmH₂O (0-9.81 kPa) with ±0.5% FS accuracy"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 1500
    unit: "mmH"
    consequence: "Diaphragm rupture due to overpressure exceeding yield strength of 316L stainless steel (205 MPa) or silicon oil fill fluid solidification/vaporization at temperature extremes"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Water ingress through IP67-rated seal at 1 m depth for 30 minutes"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic laser welding of sensor body with helium leak rate &lt;1×10⁻⁸ mbar·L/s"
  - node_2:
      trigger: "Electromagnetic interference from 100 A AC motor starting at 3 m distance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Mu-metal shielding with 80 dB attenuation at 50-60 Hz and twisted pair wiring with 100 Ω characteristic impedance"
bom_nodes:
  probesensing-element:
    type: "component"
    urn: "URN:CNFX:ME:PROBESENSING_ELEMENT"
    interface_type: "physical-logic-coupled"
  signal-transmitter:
    type: "part"
    urn: "URN:CNFX:ME:SIGNAL_TRANSMITTER"
    interface_type: "physical-logic-coupled"
  housingenclosure:
    type: "component"
    urn: "URN:CNFX:ME:HOUSINGENCLOSURE"
    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/gauge-or-sensor.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "6dcf01b43c8423cbb372e84847fa4d18c8fdbf29fce132404593495e91c24cff"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Gauge or Sensor

## 1. Technical Definition
A measurement device that detects and indicates oil level in industrial systems.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-1000 mmH₂O (0-9.81 kPa) with ±0.5% FS accuracy**. Failure boundary: **Exceeds 1500 mmH₂O (14.72 kPa) differential pressure or operates below -40°C or above 125°C ambient temperature**, Mechanism: **Diaphragm rupture due to overpressure exceeding yield strength of 316L stainless steel (205 MPa) or silicon oil fill fluid solidification/vaporization at temperature extremes**.

### 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 |
| :--- | :--- | :--- | :--- |
| Water ingress through IP67-rated seal at 1 m depth for 30 minutes | 8 | Capacitance bridge circuit short circuit causing 4-20 mA output saturation at 21.6 mA | Hermetic laser welding of sensor body with helium leak rate &lt;1×10⁻⁸ mbar·L/s |
| Electromagnetic interference from 100 A AC motor starting at 3 m distance | 8 | Hall effect sensor output drift exceeding ±2% FS due to 50 mT stray field | Mu-metal shielding with 80 dB attenuation at 50-60 Hz and twisted pair wiring with 100 Ω characteristic impedance |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Signal Transmitter](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/signal-transmitter.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Signal Conditioner**, **Programmable Logic Controller (PLC)**, **Human-Machine Interface (HMI)**  
**Downstream Applications**: Industrial Pumps, Hydraulic Systems, Lubrication Systems  

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

### Q: What materials are used in this oil level gauge?
**A**: This gauge features a durable stainless steel probe for corrosion resistance, a plastic housing for protection, and electronic components for accurate signal transmission.

### Q: How does this sensor detect oil levels in industrial systems?
**A**: The probe/sensing element measures oil level through electronic detection methods, with the signal transmitter converting this data into readable outputs for monitoring systems.

### Q: What industries is this oil level gauge suitable for?
**A**: Specifically designed for machinery and equipment manufacturing, it's ideal for industrial systems requiring precise oil level monitoring in manufacturing environments.

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

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

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: GAUGE_OR_SENSOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: f2280a3d
