---
title: "Level Sensor/Indicator"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LEVEL_SENSORINDICATOR"
  data_integrity_hash: "c84b571d19a182691944932457bd00f7"
  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:LEVEL_SENSORINDICATOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/level-sensorindicator.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/level-sensorindicator"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150°C at 0-10 bar pressure, 4-20 mA output signal"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 180
    unit: "°C"
    consequence: "Thermal expansion mismatch between sensor housing (stainless steel, α=17.3×10⁻⁶/°C) and sensing element (ceramic, α=8.5×10⁻⁶/°C) causes mechanical stress exceeding 250 MPa yield strength"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrochemical corrosion from dissolved oxygen (8 ppm) in condensate at pH&lt;6.5"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Apply 316L stainless steel coating with 50 μm thickness and cathodic protection at -850 mV potential"
  - node_2:
      trigger: "Capacitive coupling from 480V AC motor starters within 0.5m distance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install twisted-pair shielded cable with 90% coverage braid and ferrite cores at both ends"
bom_nodes:
  probesensing-element:
    type: "component"
    urn: "URN:CNFX:ME:PROBESENSING_ELEMENT"
    interface_type: "physical-logic-coupled"
  transmitter:
    type: "part"
    urn: "URN:CNFX:ME:TRANSMITTER"
    interface_type: "physical-logic-coupled"
  indicator-display:
    type: "part"
    urn: "URN:CNFX:ME:INDICATOR_DISPLAY"
    interface_type: "physical-logic-coupled"
  mounting-hardware:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_HARDWARE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 4266-1:2022 (PETROLEUM AND NATURAL GAS INDUSTRIES - LEVEL GAUGES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ISA-5.1-2009 (INSTRUMENTATION SYMBOLS AND IDENTIFICATION)"
    scope: "Verified Engineering Specification"
  - standard: "EN 60529:1991 (DEGREES OF PROTECTION PROVIDED BY ENCLOSURES - IP CODE)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/level-sensorindicator.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "5bfb3905addbe98d30ab319462b89d1a08d564305ed9b3a8ca7349bb63628a4f"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Level Sensor/Indicator

## 1. Technical Definition
A device that detects and displays the liquid level within a condensate collection vessel.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150°C at 0-10 bar pressure, 4-20 mA output signal**. Failure boundary: **Exceeds 180°C thermal limit or 15 bar pressure rating**, Mechanism: **Thermal expansion mismatch between sensor housing (stainless steel, α=17.3×10⁻⁶/°C) and sensing element (ceramic, α=8.5×10⁻⁶/°C) causes mechanical stress exceeding 250 MPa yield strength**.

### 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 |
| :--- | :--- | :--- | :--- |
| Electrochemical corrosion from dissolved oxygen (8 ppm) in condensate at pH&lt;6.5 | 8 | Sensor membrane perforation causing 0 mA signal output | Apply 316L stainless steel coating with 50 μm thickness and cathodic protection at -850 mV potential |
| Capacitive coupling from 480V AC motor starters within 0.5m distance | 8 | Signal interference producing ±25% measurement error | Install twisted-pair shielded cable with 90% coverage braid and ferrite cores at both ends |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Transmitter](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/transmitter.md) `(Standalone System)`
- [Indicator Display](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/indicator-display.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Condensate Collection Vessel**, **Programmable Logic Controller (PLC)**, **Industrial Power Supply Unit**  
**Downstream Applications**: Industrial Boiler Systems, HVAC Systems, Compressed Air Systems  

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

### Q: What materials are available for this level sensor/indicator?
**A**: This level sensor/indicator is available in Stainless Steel, Polypropylene, and Glass materials to suit different industrial environments and chemical compatibility requirements.

### Q: How does this device detect liquid levels in condensate collection vessels?
**A**: The device uses a probe/sensing element to detect liquid levels, transmits the data via a transmitter, and displays the level on an indicator display for easy monitoring in machinery and equipment applications.

### Q: What components are included in the BOM for installation?
**A**: The bill of materials includes a Probe/Sensing Element, Transmitter, Indicator Display, and Mounting Hardware for complete installation and operation in industrial settings.

## 6. Manufacturing Compliance
- ISO 4266-1:2022 (PETROLEUM AND NATURAL GAS INDUSTRIES - LEVEL GAUGES)
- ANSI/ISA-5.1-2009 (INSTRUMENTATION SYMBOLS AND IDENTIFICATION)
- EN 60529:1991 (DEGREES OF PROTECTION PROVIDED BY ENCLOSURES - IP CODE)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Level Sensor/Indicator](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/level-sensorindicator)**

### 🌐 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**: LEVEL_SENSORINDICATOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b831076d
