Siemens Sieger 2104B2071 Searchline Excel combustible gas detector. 10W, 32VDC power. Point-type infrared (IR) sensor for reliable LEL monitoring of flammable gases in hazardous areas. Factory Mutual approved.
- BAS 98ATEX2165X
- EEx d IIC T5 (Tamb-40TO+65C)
- Â Â Â Â Â Â Â Â T6 (Tamb-40TO+40C)
- AUS Ex 3649X Ex d IIC
- T5 (Tamb=+65C) T6 (Tamb=+40C)
- PART NO: 2104B2071 TX SHORT
- S/NO: 02/08/209
 Product Description
Siemens Sieger 2104B2071 Searchline Excel 1 Point Flammable Gas Detector
Ensure superior safety and compliance in hazardous environments with the Siemens Sieger 2104B2071, a robust point-type infrared (IR) gas detector from the renowned Searchline Excel series. Engineered for maximum reliability, this detector is designed for the continuous monitoring of flammable gases and vapors, providing early warning to prevent dangerous incidents.
Key Features & Benefits:
- Advanced Point Infrared (PIR) Technology:Â Provides fast, accurate, and stable detection of combustible gases (LEL – Lower Explosive Limit). Immune to sensor poisoning and unaffected by oxygen levels, ensuring long-term reliability and reduced maintenance costs.
- Rugged & Certified for Hazardous Areas:Â Built to withstand harsh industrial environments. The unit is approved for use in classified hazardous areas, offering peace of mind for oil & gas, chemical, and petrochemical applications.
- Low Power Consumption: Operates efficiently on just 10W at 32VDC, making it an energy-efficient choice for large-scale installations with multiple detectors.
- Easy Integration & Calibration:Â Designed for simple setup and integration into existing safety instrumented systems (SIS) or plant control networks. Features user-friendly calibration.
- Factory Mutual (FM) Approved:Â Meets rigorous international safety standards, certifying its performance and reliability for critical gas detection applications.
Typical Applications:
- Oil & Gas Production Platforms and Refineries
- Petrochemical and Chemical Processing Plants
- Gas Compressor Stations and Pipeline Monitoring
- Fuel Storage Terminals and Tank Farms
- Pharmaceutical and Specialty Chemical Manufacturing
Specifications at a Glance:
- Model:Â 2104B2071
- Detection Type:Â Point Infrared (PIR) for Flammable Gases
- Power Supply:Â 32 VDC, 10W
- Output:Â Configurable 4-20mA analog signal with HART protocol compatibility (common for this series).
- Certifications:Â FM, ATEX, IECEx, SIL 2 capable (confirm specific approvals for exact part number).
Keywords:
- Point IR gas detector
- LEL gas monitor
- Combustible gas sensor
- Hazardous area gas detection
- Fixed gas detection system
- Infrared hydrocarbon detector
- Siemens gas detector replacement
- FM approved gas sensor
- 4-20mA gas transmitter
- SIL 2 gas detector































