Product Introduction

Infrared gas analyzer is a type of flue gas analyzer. But there are also some subtle differences. Infrared gas analyzer is based on the Lambert-Beer absorption law of gas absorption of infrared light. It adopts the latest NDIR technology, such as electrically modulated infrared light source, high-sensitivity filter sensor integrated infrared sensor, high-precision preamplifier circuit, detachable film-coated gas chamber, local constant temperature control technology, etc., to achieve high-precision continuous detection of different concentrations and different gases (SO2, NOX, CO2, CO, CH4, etc.). Flue gas analyzer also uses electrochemical sensor principle to analyze and measure the flue gas content of CO2, CO, NOx, SO2, etc. It is mainly used for environmental monitoring of small fuel oil and gas boiler pollution emissions or near pollution sources.

SIEMENS Siemens 7MB2337-0NW00-V1, Siemens analyzer

Laser gas analyzer needs to extract gas samples for detection, so pressure and temperature compensation is required.

Laser gas analyzers need to extract gas samples to work during detection. Pressure and temperature have an impact on the volume and density of the gas samples extracted by the instrument, so laser gas analyzers require pressure and temperature compensation.

When ΔP or If remains unchanged, the flow rate of the fluid is in a square root relationship or a proportional relationship with the density of the fluid, and the density of most fluids (especially gases) will change with changes in working conditions, so the density of the fluid must be compensated for temperature and pressure.

SIEMENS Siemens 7MB2337-0NW00-V1

Laser gas analyzers need to extract gas samples for detection, so pressure and temperature compensation is required.

Laser gas analyzers need to extract gas samples to work during detection. Pressure and temperature have an impact on the volume and density of the gas samples extracted by the instrument, so laser gas analyzers require pressure and temperature compensation.

When ΔP or If remains unchanged, the flow rate of the fluid is in a square root relationship or a proportional relationship with the density of the fluid, and the density of most fluids (especially gases) will change with changes in working conditions, so the density of the fluid must be compensated for temperature and pressure.

SIEMENS 7MB2337-0NW00-V1, Gas Analyzer

Gas analyzer is a process analysis instrument that measures gas composition. In many production processes, especially in production processes with chemical reactions, automatic control based solely on physical parameters such as temperature, pressure, and flow is often not enough. Due to the great differences in the gases being analyzed and the variety of analysis principles, there are many types of gas analyzers. Commonly used ones include thermal conductivity gas analyzers, electrochemical gas analyzers, and infrared absorption analyzers.

Technical features and performance

LCD display: convenient for users to view and operate.

Automatic calibration: automatic calibration using ambient air simplifies maintenance.

Easy-to-clean sampling unit: ensures long-term stable measurement performance.

Menu operation: user-friendly interface design for easy setting and monitoring.

19” panel form: suitable for installation in standard cabinets.

Measurement range and accuracy

Measurement range: 2 ranges for each parameter, maximum two-tenth ratio 1:10.

Zero drift: minimum range 2%/week.

Measurement value drift: minimum range 2%/week.

Response time: 5 seconds.

Stability: zero drift ≤1%FS/week, range drift ≤1%FS/week.

Ambient temperature effect: zero and range change ≤2% for every 10℃ change in ambient temperature.

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