Honeywell 2108B2001H / 2108N4000H Gas Detector – Fixed Industrial Gas Sensor | Safety Monitoring System
The Honeywell 2108B2001H / 2108N4000H Gas Detector is a fixed gas detection sensor module engineered for reliable, continuous monitoring of combustible gases and vapors in industrial environments. Known for robust performance and stable detection capabilities, this detector is ideal for oil & gas facilities, petrochemical plants, refineries, utilities, chemical processing sites, and storage terminals where early detection of gas leaks and explosive atmospheres is critical for safety and regulatory compliance.
Built with high‑sensitivity sensing technology, the Honeywell 2108 series module provides dependable gas monitoring solutions with rapid response and low maintenance requirements. Its durable construction and flexible installation make it suitable for a wide range of industrial applications where continuous gas safety monitoring is essential.
SPECIFICATIONS
| Feature | Details |
|---|
| Product Name | Honeywell 2108B2001H / 2108N4000H Fixed Gas Detector Module |
| Brand | Honeywell Analytics |
| Detector Type | Fixed Combustible Gas Detection Sensor |
| Detected Gases | Combustible gases and vapors (% LEL) |
| Sensor Technology | Catalytic bead (pellistor) sensing |
| Response Time | Rapid (typically within seconds) |
| Output | Analog 4–20 mA (two‑wire) |
| Power Supply | Typically 24 VDC loop powered |
| Operating Temperature | Industrial temperature range |
| Mounting | Wall or bracket mount (installation dependent) |
| Application | Fixed combustible gas detection in industrial environments |
| Certifications | Industry safety certifications (model dependent) |
Specifications may vary depending on regional configuration and installation requirements.
Honeywell 2108B2001H / 2108N4000H Gas Detector Description
The Honeywell 2108B2001H / 2108N4000H Gas Detector is engineered to deliver dependable fixed gas detection for environments where combustible gas leaks pose a risk to personnel and equipment. Utilizing catalytic bead (pellistor) sensing technology, the detector identifies the presence of flammable gases and vapors by measuring changes in heat conductivity proportional to gas concentration — expressed as a percentage of the Lower Explosive Limit (LEL).
Designed with industrial durability in mind, this detector module offers rapid response time and long‑term stability, ensuring that changes in gas concentration are detected quickly and accurately. Its analog 4–20 mA output allows seamless integration with PLC, Building Management Systems (BMS), Fire & Gas Safety Systems, and control panels, enabling centralized monitoring and automated alarm response.
The rugged construction ensures reliable performance in demanding settings, including areas with dust, moisture, temperature variations, and heavy industrial activity. Whether installed as a stand‑alone detector or as part of a distributed safety monitoring network, the 2108 series module provides continuous protection against combustible gas hazards.
Key Features
Fixed combustible gas (% LEL) detection for industrial safety
Catalytic bead sensing technology (pellistor) for accurate gas measurement
Rapid response for early detection of explosive atmospheres
Analog 4–20 mA output for seamless integration with control systems
Designed for continuous monitoring in industrial environments
Durable construction for harsh duty cycles and heavy use
Compatible with PLC, BMS, and fire & gas safety control systems
Where It Can Be Used
Oil & gas production and processing facilities
Refineries and chemical plants
Power generation and utility installations
Storage terminals and loading racks
Manufacturing and industrial safety systems
Wastewater treatment and confined space monitoring
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