Overview
The Siemens Ultramat 6 E 7MB2121-1ND00-0AA1 represents a proven platform for continuous industrial gas analysis, specifically configured for SO₂ detection. This single-channel analyzer employs non-dispersive infrared (NDIR) technology with dual-beam differential measurement, delivering consistent long-term accuracy for fixed-installation gas detection in process control and environmental compliance monitoring.
Key Features
- NDIR Measurement Technology: Dual-beam differential infrared detection ensures high precision and stability over extended service life
- SO₂ Detection Configured: Optimized for sulfur dioxide monitoring with scalable measuring ranges from ppm-level to percent concentrations
- Compact Rack Design: 19″ built-in housing suitable for cabinet installation in control rooms and monitoring stations
- Corrosion-Resistant Construction: FKM (Viton) hose and aluminum sample chamber for durability in harsh industrial environments
- Single-Channel Operation: Dedicated measurement path for SO₂ without cross-interference from other gases
Technical Specifications
- Model: 7MB2121-1ND00-0AA1
- Analyzer Type: Single-channel NDIR gas analyzer
- Measured Gas: SO₂ (sulfur dioxide)
- Input Voltage: 100–120 V AC
- Power Rating: 40 VA
- Frequency: 47–63 Hz
- Sample Chamber: Aluminum (lining)
- Internal Gas Path: FKM (Viton) hose, temperature-controlled flow-type reference chamber
- Mounting Format: 19″ rack unit for cabinet installation
- Certifications: Designed for industrial emissions and process monitoring per Siemens standards
- Condition: Used, fully tested
Typical Applications
The Ultramat 6 E is widely deployed in power generation facilities, refinery flue gas monitoring, combustion process optimization, and environmental compliance testing. It is particularly suited for continuous SO₂ measurement in:
- Coal-fired and gas-fired power plants
- Industrial boiler systems and furnaces
- Petrochemical and refinery stacks
- Environmental monitoring stations
- Emissions trading scheme (ETS) compliance programs
Compatibility & Replacements
The Ultramat 6 series represents Siemens’ established platform for single-channel gas analysis. While the 7MB2121 family offers variants for different gas types (CO₂, CH₄, O₂, SO₂), the SO₂-specific configuration of the 7MB2121-1ND00-0AA1 is not interchangeable with other gas detection modules. Direct mechanical and electrical compatibility exists within the 19″ rack form factor, but gas-specific sensor elements are not user-replaceable. For upgrades or alternative configurations, consult Siemens or authorized service providers to ensure proper calibration and certification.
