Overview
The Siemens 7MB2121-1ND00-0AA1-Z is part of the Ultramat 6 E series of extractive continuous process gas analyzers. This single-channel NDIR (non-dispersive infrared) analyzer is engineered for SO₂ concentration measurement and industrial emission monitoring applications. Operating at 48–63 Hz with 40 VA power consumption and 100–120 V input, this unit delivers high-precision gas detection for compliance and process control in harsh industrial environments.
Key Features
- NDIR Dual-Beam Technology: Non-dispersive infrared differential measurement principle ensures high precision and long-term measurement stability.
- SOâ‚‚ Measurement: Configured for sulfur dioxide concentration monitoring with scalable measuring ranges suitable for industrial gas analysis.
- Compact 100–120 V Operation: Low-power design (40 VA) compatible with standard AC supplies at 48–63 Hz frequency.
- Industrial-Grade Construction: Robust engineering for fixed gas detection in process and emission monitoring applications.
- Single-Channel Architecture: Straightforward installation and calibration for straightforward integration into control systems.
Technical Specifications
- Input Voltage: 100–120 V AC
- Frequency: 48–63 Hz
- Power Consumption: 40 VA
- Measurement Principle: Non-dispersive infrared (NDIR) dual-beam differential
- Gas Measured: SOâ‚‚ (Sulfur Dioxide)
- Analyzer Type: Single-channel extractive continuous process analyzer
- Output: Analog or digital (configuration dependent)
- Operating Mode: Fixed gas detection
- Installation: Bench-top or cabinet-mount configuration
- Certification: Industrial process analytics compliance
Typical Applications
- SOâ‚‚ emissions monitoring in power plants and industrial boilers
- Combustion efficiency analysis in furnace and incinerator control
- Environmental compliance and air quality monitoring
- Process gas concentration measurement in refineries and chemical plants
- Fixed-point industrial gas detection for safety and regulatory reporting
Compatibility & Replacements
The Siemens 7MB2121-1ND00-0AA1-Z is a variant within the Ultramat 6 E product line. Alternative SKUs in the same family (such as 7MB2121-1CA00-1AA1 or 7MB2121-1CG00-0AA1) may offer different voltage, output, or measuring-range configurations. Direct interchangeability depends on your specific 100–120 V single-channel SO₂ measurement requirements. Consult the Siemens ULTRAMAT 6 application programming manual or contact your integration team to confirm compatibility with existing systems and field wiring.
