---
title: "Flame Sensor/Scanner"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:FLAME_SENSORSCANNER"
  data_integrity_hash: "bec062c782d55b45be19a1243d025947"
  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:FLAME_SENSORSCANNER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/flame-sensorscanner.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/flame-sensorscanner"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-5.0 μm wavelength detection, 0-1500°C temperature range, 10-1000 Hz response frequency"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 50
    unit: "Hz"
    consequence: "Photodiode quantum efficiency degradation due to 850°C thermal aging of silicon junction, or UV tube cathode poisoning from sulfur compounds in combustion gases reducing electron emission below 1.2 mA threshold"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Quartz window contamination accumulating 3.2 mg/cm² of combustion particulates"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate 2.5 bar compressed air purge system with 15 μm particulate filter, activated during burner off-cycles"
  - node_2:
      trigger: "Thermoelectric cooler failure causing photodetector temperature rise above 45°C"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement redundant Peltier cooling modules with NTC thermistor feedback control maintaining 25±2°C operating temperature"
bom_nodes:
  optical-lens:
    type: "component"
    urn: "URN:CNFX:ME:OPTICAL_LENS"
    interface_type: "physical-logic-coupled"
  sensing-element:
    type: "component"
    urn: "URN:CNFX:ME:SENSING_ELEMENT"
    interface_type: "physical-logic-coupled"
  signal-amplifier:
    type: "part"
    urn: "URN:CNFX:ME:SIGNAL_AMPLIFIER"
    interface_type: "physical-logic-coupled"
  protective-housing:
    type: "component"
    urn: "URN:CNFX:ME:PROTECTIVE_HOUSING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/flame-sensorscanner.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "fbfcdab93ef425d7be648f8abce091a4e4e788410f01ea1534f6aa631365a387"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Flame Sensor/Scanner

## 1. Technical Definition
A safety device that detects the presence or absence of flame in combustion systems to ensure proper ignition and prevent hazardous conditions.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-5.0 μm wavelength detection, 0-1500°C temperature range, 10-1000 Hz response frequency**. Failure boundary: **Flame signal intensity drops below 2.0 μA at 50 Hz sampling rate, or false-positive detection occurs with background radiation exceeding 0.8 μA RMS noise floor**, Mechanism: **Photodiode quantum efficiency degradation due to 850°C thermal aging of silicon junction, or UV tube cathode poisoning from sulfur compounds in combustion gases reducing electron emission below 1.2 mA threshold**.

### 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 |
| :--- | :--- | :--- | :--- |
| Quartz window contamination accumulating 3.2 mg/cm² of combustion particulates | 8 | Optical transmission loss exceeding 92% at 4.3 μm CO₂ absorption band | Integrate 2.5 bar compressed air purge system with 15 μm particulate filter, activated during burner off-cycles |
| Thermoelectric cooler failure causing photodetector temperature rise above 45°C | 8 | Dark current increase to 15 nA, exceeding signal-to-noise ratio of 8:1 required for flame discrimination | Implement redundant Peltier cooling modules with NTC thermistor feedback control maintaining 25±2°C operating temperature |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Combustion Air Blower**, **Fuel Supply System**, **Programmable Logic Controller (PLC)**  
**Downstream Applications**: Industrial Boilers, Gas Turbines, Process Heaters  

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

### Q: What is the primary function of this flame sensor/scanner in machinery?
**A**: It detects the presence or absence of flame in combustion systems to ensure proper ignition and prevent hazardous conditions like unburned fuel accumulation or explosions.

### Q: Why does this flame sensor use both UV and IR sensitive elements?
**A**: UV/IR dual-spectrum sensing provides reliable flame detection across various fuel types and conditions, reducing false alarms from non-flame radiation sources while ensuring high sensitivity.

### Q: How does the stainless steel housing and quartz glass lens enhance durability?
**A**: Stainless steel resists corrosion in industrial environments, while quartz glass withstands high temperatures and thermal shock, maintaining optical clarity for consistent flame detection performance.

## 6. Manufacturing Compliance

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Flame Sensor/Scanner](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/flame-sensorscanner)**

### 🌐 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**: FLAME_SENSORSCANNER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 561e85b7
