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Introduction
Heat treating gas analyzer IR-GAS-600 can continuously measure the concentration of ambient gas in a heat treatment process. Can accurately measure CO, CO2, CH4 gas concentration. One unit can continuously measure the gas concentration of two components at the same time.
| INFRARED NDIR DETECTOR | |||||
| GAS | Lowest Range | Highest Range | LR resolution | HR resolution | Accuracy FS |
| CO | 0-5% | 0-100% | 0.001% | 0.01% | ≤ ±2% |
| CO2 | 0-5% | 0-100% | 0.001% | 0.01% | ≤ ±2% |
| CH4 | 0-5% | 0-100% | 0.001% | 0.01% | ≤ ±2% |
| THERMAL CONDUCTIVITY DETECTOR (TCD) | |||||
| H2 | 0-20% | 0-100% | 0.01% | 0.01% | ≤ ±3% |
| ELECTROCHEMICAL DETECTOR (ECD) | |||||
| O2 | 0-25% | 0.01% | 0.01% | ≤ ±3% | |
What is the heat treatment process?
Heat treatment process involves the use of heating or chilling, to achieve a desired outcome in terms of mechanical properties. Depending on the metal type, temperatures and cooling rates used in heat treatment can vary widely. Heat treating is often used for strengthening materials by changing their physical structure and grain size. The process also helps to restore ductility and malleability after a metal has been worked.
According to the highest temperature: the furnace temperature is greater than 1000 ℃ for high temperature heat treatment furnace; 650 ~ 1000 ℃ for medium temperature heat treatment furnace; below 650 ℃ for low temperature heat treatment furnace. According to the main heat treatment process types : chemical heat treatment furnaces such as solid, quenching, normalizing, tempering, annealing and carburizing
Therefore, no matter what kind of heat treatment atmosphere control is used, there is a very strict control on the concentration of gas components. Usually, the content of a certain component (such as water vapor, carbon dioxide (CO2), oxygen (O2 ) is measured by a gas analyzer. ) to provide signals to the control system to adjust the gas supply composition in time to change the carbon potential in the furnace.
A heat treating analyzer is a specialized device used to analyze and assess the properties of materials that have undergone heat treatment processes. Heat treatment is a controlled process used to alter the physical and mechanical properties of materials, typically metals and alloys, to improve their hardness , strength, toughness, and other desired characteristics.
The importance of a heat treating analyzer can be summarized as follows:
Heat treating analyzers utilize various techniques depending on the specific properties being analyzed. These may include hardness testing, metallography (microstructural analysis), non-destructive testing methods like ultrasonic testing or magnetic particle inspection, and spectroscopy for elemental analysis.
Overall, heat treating analyzers play a critical role in ensuring the quality, performance, and reliability of heat-treated materials. They are used in industries such as automotive, aerospace, manufacturing, and construction, where the properties of heat-treated materials are of utmost importance for safety, durability, and efficiency.
1) What kinds of gases can a heat treating analyzer measure?
A heat treating analyzer is designed to monitor the key gases that determine furnace atmosphere quality and carbon potential. Typical measurable gases include:
These gases directly affect carburizing, nitriding, annealing, and other heat treatment processes by controlling the reducing or oxidizing atmosphere inside the furnace.
2)What are the advantages of ESEGAS heat treating analyzer compared with other brands?
ESEGAS provides a more flexible and complete solution for furnace gas analysis:
This makes ESEGAS not only an instrument supplier, but a heat treatment gas analysis solution provider.
3) Why is a heat treating analyzer necessary in a heat treatment furnace?
The furnace atmosphere directly determines:
Without real-time gas monitoring, furnace operators rely on experience instead of data, which leads to inconsistent product quality and higher defect rates.
A heat treating analyzer enables real-time control of furnace atmosphere, ensuring stable and repeatable heat treatment results.
4) What are the main applications of a heat treating analyzer?
Heat treating analyzers are widely used in:
They are essential wherever precise furnace atmosphere control is required.
5) What is the delivery time of ESEGAS heat treating analyzer?
The standard delivery time is within 2 weeks.
ESEGAS keeps key modules in stock and supports fast assembly and air shipment, helping customers reduce downtime and project waiting time.
6) How does gas composition affect carbon potential in a carburizing furnace?
In a carburizing furnace, the carbon potential is mainly determined by the balance between CO, CO₂, and CH₄.
By continuously monitoring these gases with a heat treating analyzer, operators can precisely adjust the gas ratio and maintain a stable carbon potential, ensuring uniform case depth and surface hardness.
7) Where should the sampling probe be installed in a heat treatment furnace?
Typical positions include the furnace exhaust, circulation duct, or atmosphere return line. Proper probe location is critical for accurate gas analysis.
8) How can sensor damage be avoided in high-temperature furnace gas?
High-temperature furnace gas often contains dust, oil vapor, and carbon particles. To protect the analyzer:
A well-designed sampling system greatly extends sensor life and measurement stability.
9) How often does a heat treating analyzer require calibration?
Calibration frequency depends on operating conditions, but generally:
Regular calibration ensures long-term accuracy and reliable furnace control.
10) Can a heat treating analyzer help detect furnace leakage?
Yes. Abnormal increases in O₂ or unexpected changes in CO/CO₂ ratio often indicate:
The analyzer acts as an early warning system to prevent quality issues.
11) What happens if furnace atmosphere is not monitored continuously?
Without continuous monitoring:
A heat treating analyzer eliminates guesswork and ensures data-driven furnace control.
12) Is a portable heat treating analyzer useful for maintenance and inspection?
Yes. A portable analyzer is ideal for:
It is a valuable tool for heat treatment engineers and maintenance teams.
13) How does real-time gas analysis improve heat treatment quality?
Real-time data allows operators to:
This leads to higher product quality and lower production cost.
A heat treating gas analyzer is an instrument used to measure the concentrations of various gases emitted from a furnace during a heat treatment process. The analyzer can be used in batch processing or continuous monitoring applications. And it provides real-time information on the quality of the process, allowing operators to make adjustments as necessary and ensure that products meet their desired specifications. By accurately measuring the concentration of these gases, the analyzer can also be used to ensure that emissions do not exceed legal limits or cause environmental pollution. treatment processes, allowing for improved efficiency and quality control.
| INFRARED NDIR DETECTOR | |||||
| GAS | Lowest Range | Highest Range | LR resolution | HR resolution | Accuracy FS |
| CO | 0-5% | 0-100% | 0.001% | 0.01% | ≤ ±2% |
| CO2 | 0-5% | 0-100% | 0.001% | 0.01% | ≤ ±2% |
| CH4 | 0-5% | 0-100% | 0.001% | 0.01% | ≤ ±2% |
| THERMAL CONDUCTIVITY DETECTOR (TCD) | |||||
| H2 | 0-20% | 0-100% | 0.01% | 0.01% | ≤ ±3% |
| ELECTROCHEMICAL DETECTOR (ECD) | |||||
| O2 | 0-25% | 0.01% | 0.01% | ≤ ±3% | |
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