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Honeywell 2104B2081
Honeywell 2104B2081 is a medium-range transmitter used in the Searchline Excel open-path infrared gas detection system, designed for continuous monitoring of combustible gas clouds in hazardous industrial environments. Honeywell
Below are the key technical specifications.
1. General Specifications
| Parameter | Specification |
|---|---|
| Model Number | 2104B2081 |
| Product Type | Medium-Range Open-Path Infrared Gas Transmitter |
| Detection Principle | Infrared absorption (open-path) |
| Typical Detection Range | 40–120 m |
| Measuring Range | 0–5 LEL·m |
| Target Gases | Methane and other flammable hydrocarbons |
This device is part of a fixed gas detection system that monitors gas leaks across a wide area instead of a single point.
2. Electrical Specifications
| Parameter | Specification |
|---|---|
| Power Supply | 24 V DC nominal (18–32 V DC typical operating range) |
| Analog Output | 4–20 mA DC |
| Optional Communication | Modbus RS485 (via compatible transmitters) |
| Power Consumption | Approx. 10–13 W (transmitter) |
These outputs allow integration with DCS, PLC, or safety systems.
3. Performance Characteristics
| Parameter | Specification |
|---|---|
| Response Time | T90 < 3 seconds |
| Accuracy | ±0.25% of span |
| Warm-Up Time | < 5 minutes operational, < 1 hour full stabilization |
| Humidity Range | 0–99% RH (non-condensing) |
| Alignment Tolerance | ±0.5° |
These features enable fast detection and reliable operation even in difficult environments such as fog, rain, or dust.
4. Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | −40 °C to +85 °C |
| Storage Temperature | −50 °C to +90 °C |
| Enclosure Material | 316 Stainless Steel |
| Protection Rating | IP66 / IP67 |
| Humidity | 0–95% RH non-condensing |
The rugged design makes it suitable for oil & gas, petrochemical, and offshore installations.
5. Mechanical Specifications
| Parameter | Specification |
|---|---|
| Dimensions | Approx. 211 × 353 × 433 mm |
| Weight | ~0.68 kg (module) |
| Mounting | Wall or structure mounted with conduit connection |
| Housing | Corrosion-resistant stainless steel |
6. Certifications
| Certification | Description |
|---|---|
| ATEX | Approved for explosive atmospheres |
| IECEx | International hazardous-area certification |
| Ingress Protection | IP66 / IP67 |
These approvals allow installation in Zone 1 hazardous areas.
✅ Typical Applications
- Oil & gas production platforms
- Petrochemical plants
- LNG facilities
- Chemical processing plants
- Power generation sites
Main Brand:
ABB Allen-Bradley Alstom Bently GE MOOG Schneider
Woodward HIMA Honeywell Emerson Foxboro
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Our Main Brand
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc
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