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Siemens ULTRAMAT 23 Gas Analyzer 7MB2335-0AJ00-3AA1: Technical Specification Overview
The Siemens ULTRAMAT 23 gas analyzer (model 7MB2335-0AJ00-3AA1) is a high-performance multi-component gas analysis system designed for precision monitoring of gas concentrations in industrial and environmental applications. Engineered with advanced NDIR (non-dispersive infrared) technology and electrochemical sensing principles, this analyzer delivers accuracy, reliability, and adaptability across demanding operational scenarios. Below is a detailed technical overview tailored for international technical audiences:
Core Technical Specifications
Measurement Capabilities
Multi-Gas Analysis: Simultaneously measures up to 3 infrared-sensitive gases (e.g., CO, CO₂, NO, SO₂, CH₄) and oxygen (O₂) via electrochemical sensors.
Extended Configuration: In specialized applications (e.g., biogas plants), it supports 4-component continuous monitoring, including H₂S detection using electrochemical cells.
Range Flexibility: Dual programmable measurement ranges per component (e.g., SO₂: 0–500 ppm / 0–2500 ppm; NOx: 0–250 ppm / 0–500 ppm) with auto/manual switching and a 1:10 range ratio.
Performance Metrics
Accuracy: ≤1% of full scale (FS) for linearity and repeatability.
Response Time: T90 ≤15 seconds for O₂; T90 ≤20–60 seconds for CO/NO/NO₂/SO₂.
Stability: Zero/span drift ≤1% FS/week; temperature compensation for ±2% FS change per 10°C.
Flow Rate: Maintains 1.2–1.5 L/min for consistent sampling.
Operational Features
Auto-Calibration: Utilizes ambient air for zero-point calibration, supplemented by annual gas cylinder verification.
User Interface: Intuitive plain-text menu navigation with diagnostic logs for predictive maintenance.
Durability: Corrosion-resistant sensors and a robust gas chamber design simplify cleaning and reduce downtime.
Electrical & Environmental Compliance
Power Supply: 200–240 VAC, 48–63 Hz.
Output Signals: 0/2/4–20 mA analog output with 750 Ω load capacity.
Operating Conditions: Withstands harsh environments (e.g., particulate-laden gases) via integrated particle filtration and cooling systems.
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