Product Introduction

1. Product Overview‌
‌-- Brand and model‌: SIEMENS ULTRAMAT 23 series, model 7MB2337-0NB00-3PT1‌.
‌-- Measurement principle‌: Based on non-dispersive infrared (NDIR) technology, combined with electrochemical oxygen sensor, multi-component analysis is achieved through the characteristic absorption of infrared light by gas‌.
‌-- Core functions‌: Supports simultaneous measurement of ‌3 infrared sensitive gases (such as CO, CO₂, NO, SO₂, CH₄, etc.)‌ and ‌oxygen (O₂)‌, and some configurations can be expanded to four-component measurement‌.
‌2. Technical parameters‌
‌Measurement range‌: customized according to gas type (such as CO: 0-250 mg/m³, NO/SO₂: 0-400 mg/m³)‌
‌Accuracy‌: resolution <0.01 vpm (H₂S), meeting TüV certification standards‌
‌Response time‌: ≤10 seconds (T90)‌
‌Output interface‌: RS-485, RS-232, Profibus, Sipromga, support remote control‌
‌Power supply and protection‌: 230 V AC, 50 Hz; 19-inch pull-out design, suitable for control cabinet installation‌
3. Core features‌
‌3.1 Multi-component high-precision measurement‌
-- Can analyze 3 infrared gases + oxygen at the same time, multi-layer detector design reduces interference such as water vapor and improves selectivity‌.
‌3.2 Intelligent maintenance‌
-- Supports automatic calibration of ambient air (zero calibration), only requires standard gas calibration once a year, reducing maintenance costs‌.
‌3.3 Industrial-grade reliability‌
-- Corrosion-resistant material air chamber, anti-vibration design, suitable for harsh environments such as high temperature and high dust‌.
‌3.4 User-friendliness‌
-- Plain text menu operation interface, equipped with log recording function, convenient for preventive maintenance‌.

4. Typical application scenarios‌
‌4.1 Industrial emission monitoring‌: Real-time monitoring of flue gas components (CO, NOx, SO₂) of coal, gas and fuel systems‌.
4‌.2 Process control‌: Gas concentration and calorific value measurement in chemical production, biological fermentation, and landfills‌.
‌4.3 Safety protection‌: Early warning of combustible/toxic gas leakage in coal powder silos and sewage treatment plants‌.

5. Precautions for use‌
‌5.1 Installation requirements‌: Filters and dehumidification devices are required to prevent sample gas from contaminating the sensor‌.
‌5.2 Calibration specifications‌: Oxygen calibration depends on ambient air, and infrared components require regular calibration gas verification‌.
5‌.3 Compatibility‌: The paramagnetic oxygen measurement version is not suitable for emission monitoring scenarios‌.

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