SIEMENS 7MB2335-0FX10-3AA1 Flue Gas Analyzer

SIEMENS Siemens 7MB2335-0FX10-3AA1 Flue Gas Analyzer

I. Technical Features

Multi-component measurement: The Siemens U23 flue gas analyzer can continuously measure the concentrations of various gases including SO2, NOX, CO, CO2, CH4, O2, C2H4, C3H8, TCH, etc., meeting diverse analytical needs.

High accuracy and stability: This analyzer offers high precision and excellent stability, ensuring the accuracy of measurement results. Its repeatability error is ≤1%, linear error is ≤1% FS, and both zero drift and span drift are ≤1% FS/week.

Automatic calibration and fault self-diagnosis: The Siemens U23 flue gas analyzer features automatic calibration, using ambient air for automatic calibration, reducing the frequency and difficulty of manual calibration. It also includes fault self-diagnosis, promptly detecting and indicating instrument faults for easier maintenance.

Multiple output methods: The analyzer provides multiple 4-20mA analog outputs and relay contact outputs, facilitating signal transmission and data processing according to actual needs.

Easy operation and maintenance: The Siemens U23 flue gas analyzer adopts a menu-driven operation interface and supports Chinese and English LCD display, making operation more intuitive and straightforward. Additionally, its sample cell is washable and reusable after contamination, reducing maintenance costs.

II. Main Parameters

Measurement range: The measurement range varies depending on the gas component. For example, SO2 ranges from 0-500ppm to 0-2500ppm, NOX ranges from 0-250ppm to 0-500ppm, etc. Users can select the appropriate range based on actual requirements.

Power supply voltage: Typically AC220V±10%, 50±0.5Hz, 150VA.

Warm-up time: The instrument has an extremely short warm-up time of only 5 minutes, allowing it to quickly enter the working state.

Response time: The instrument's response time is less than 5 seconds, enabling rapid response to changes in gas concentration.

Gas flow rate: The required gas flow rate for the instrument is 1.2-1.5L/min, ensuring the accuracy of measurement results.

III. Application Scenarios

The Siemens U23 flue gas analyzer is widely used in various scenarios requiring gas concentration measurement, such as environmental monitoring, industrial process control, and energy management. Particularly in flue gas emission monitoring, it can monitor the concentration of various harmful gases in real-time, providing accurate data support for environmental departments and enterprises.

IV. Precautions

When using the Siemens U23 flue gas analyzer, ensure the instrument is in good working environmental conditions, avoiding adverse factors such as high temperature, humidity, and vibration that may affect the instrument.

Regularly maintain and calibrate the instrument to ensure the accuracy and stability of its measurement results.

When replacing key components such as gas filters and detectors, use genuine original parts to ensure the instrument's performance and reliability.

I. Methods for Expressing Detection Accuracy

The detection accuracy of a flue gas analyzer is usually expressed in terms of relative error or absolute error. Relative error is the relative difference between the measured value and the true value, typically given as a percentage; absolute error is the absolute difference between the measured value and the true value, usually given as a specific value or range.

II. Detection Accuracy of Different Flue Gas Analyzers

Siemens ULTRAMAT 23 Infrared Continuous Online Flue Gas Analyzer

This analyzer offers high accuracy and stability, with a linear error typically not exceeding 1% FS (full scale).

Wide measurement range, e.g., SO2 can measure from 0-500ppm to 0-2500ppm, NOX from 0-250ppm to 0-500ppm, etc.

Excellent stability, with zero drift and span drift both not exceeding 1% FS/week.

Other Brands of Flue Gas Analyzers

Different brands of flue gas analyzers have varying detection accuracies. For example, the Testo 350 flue gas analyzer's measurement range and resolution parameters depend on the selected sensors, but it generally also offers high accuracy.

Typically, professional brands of flue gas analyzers undergo strict calibration and testing to ensure their detection accuracy meets relevant standards and requirements.

III. Factors Affecting Detection Accuracy

Instrument calibration: Regular calibration is key to ensuring the accuracy of a flue gas analyzer. Instruments that are not calibrated or improperly calibrated may lead to increased measurement errors.

Measurement environment: Factors such as temperature, humidity, and pressure in the measurement environment can affect the detection accuracy of the flue gas analyzer. Therefore, before measurement, ensure the instrument is in a suitable environment and eliminate interference factors as much as possible.

Sensor performance: The performance of the sensor directly affects the detection accuracy of the flue gas analyzer. Therefore, when selecting a flue gas analyzer, pay attention to parameters such as sensor type, measurement range, resolution, and response time.

IV. Methods to Improve Detection Accuracy

Select high-precision instruments: When purchasing a flue gas analyzer, choose instruments with high accuracy and stability, and pay attention to their calibration certificates and test reports.

Regular calibration and maintenance: Regularly calibrate and maintain the flue gas analyzer to ensure it is in working condition.

Optimize the measurement environment: Before measurement, eliminate interference factors as much as possible, such as adjusting the temperature and humidity of the measurement environment, to improve measurement accuracy.

Use the instrument correctly: Follow the instrument's instructions for proper use to avoid errors caused by improper operation.

I. Main Features

High-precision measurement: Siemens flue gas analyzers use advanced sensing technology and measurement algorithms to achieve high-precision measurement of multiple components in flue gas (such as SO2, NOX, O2, CO, CO2, etc.), meeting strict environmental standards and industrial control requirements.

Multi-component analysis: Some models of flue gas analyzers have multi-component analysis capabilities, allowing simultaneous measurement of multiple gas components, improving detection efficiency and accuracy.

Automatic calibration: Many Siemens flue gas analyzers are equipped with automatic calibration functions, using ambient air or standard gases for automatic calibration, reducing manual intervention and improving measurement stability.

Easy operation: The instruments are designed with user-friendliness in mind, featuring simple and clear operation interfaces for easy use and maintenance.

Reliable and durable: Siemens flue gas analyzers use high-quality materials and advanced manufacturing processes, offering excellent durability and reliability, suitable for various harsh industrial environments.

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