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- Honeywell
- 2108B2101N
- Gas Detector
- USA
- 190 × 80 × 40 mm
- 1.6 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 24
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Honeywell 2108B2101N Gas Detector is a fixed industrial gas detection device used for continuous monitoring of flammable gases in hazardous environments.
It is designed to detect hydrocarbon gas concentrations in air and provide early warning signals to industrial safety systems such as PLC, DCS, and emergency shutdown systems. It is commonly used in oil, gas, petrochemical, and process industries where explosion risk control is required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 2108B2101N |
| Product Type | Fixed Gas Detector |
| Detection Type | Hydrocarbon / combustible gas monitoring |
| Measurement Range | 0–100% LEL |
| Output Signal | Industrial control signal (e.g., 4–20 mA) |
| Sensor Type | Infrared optical sensing |
| Housing Material | Industrial stainless steel enclosure |
| Response Time | Fast response (seconds-level detection) |
| Operating Environment | Hazardous industrial areas |
| System Integration | PLC / DCS / ESD systems |
| Installation Type | Fixed mounting |
| Weight | 1.6 kg |
Function and Working Principle
The device operates using infrared optical sensing technology to detect combustible gases in the surrounding air.
It performs the following functions:
- Continuously monitors air for hydrocarbon gas presence
- Detects changes in infrared signal caused by gas concentration
- Converts detection results into standardized electrical output
- Sends alarm signals when gas levels exceed safety thresholds
- Supports automatic emergency shutdown actions in safety systems
System Role in Architecture
The gas detector is a front-line field safety device in industrial control systems.
It is typically used for:
- Refinery process area monitoring
- Offshore platform safety systems
- Pipeline and compressor station protection
- LNG and chemical plant gas detection zones
- Industrial hazard monitoring systems
It acts as a field input device feeding safety and control systems.
Industrial Applications
- Oil and gas facilities
- Petrochemical refineries
- LNG terminals
- Offshore platforms
- Chemical processing plants
- Power generation facilities
- Industrial safety systems
Installation & Integration
Proper installation ensures reliable operation:
- Installed in fixed hazardous locations
- Mounted on walls, poles, or structural frames
- Positioned to detect potential gas accumulation areas
- Connected to safety control systems
- Requires periodic calibration and testing
- Used in continuous 24/7 monitoring systems
Compatible Components
- Gas detection control panels
- Emergency shutdown systems
- PLC and DCS platforms
- Industrial alarm systems
- Field wiring and junction boxes
Key Advantages
- Continuous gas monitoring
- High sensitivity to flammable gases
- Fast response to leaks
- Suitable for harsh industrial environments
- Strong integration with safety systems
- Designed for continuous operation
FAQs
Q1: What is this device used for?
It detects flammable gases in industrial environments.
Q2: Does it detect all gases?
No, it focuses on combustible hydrocarbon gases.
Q3: Where is it used?
In oil refineries, gas plants, offshore platforms, and chemical facilities.
Q4: Is it a controller?
No, it is a field sensor device.
Q5: Why is it important?
It provides early warning of gas leaks to prevent hazards.
Conclusion
The Honeywell 2108B2101N Gas Detector is an essential industrial safety device used for continuous monitoring of combustible gases. It plays a critical role in protecting personnel and facilities by enabling early detection and integration with safety shutdown systems.