Gas Filter Correlation, GFC Wheel | Teledyne gfc 7000ta instruction

Theory of Operation

Model GFC7000TA Carbon Dioxide Analyzer

directed through multi-pass cell filled with sample gas. The sample cell uses mirrors at each end to reflect the IR beam back and forth through the sample gas to generate a 2.5 meter absorption path (see Figure 10–1). This length was chosen to give the analyzer maximum sensitivity to fluctuations in CO2 density.

Source

IR Beam

Band-Pass Filter

Sample Chamber

Photo-Detector

Figure 9-1: Measurement Fundamentals

Upon exiting the sample cell, the beam shines through a band-pass filter that allows only light at a wavelength of 4.3 µm to pass. Finally, the beam strikes a solid-state photo-detector that converts the light signal into a modulated voltage signal representing the attenuated intensity of the beam.

9.1.3. Gas Filter Correlation

Unfortunately, water vapor absorbs light at 4.3 µm too. To overcome the interfering effects of water vapor the Model GFC 7000TA adds another component to the IR light path called a gas filter correlation (GFC) wheel (see Figure 10-2).

Measurement Cell

(Pure N2)

Reference Cell

(N2 with CO2)

Figure 9-2: GFC Wheel

9.1.3.1. The GFC Wheel

A GFC wheel is a metallic wheel into which two chambers are carved. The chambers are sealed on both sides with material transparent to 4.3 µm IR radiation creating two airtight cavities. Each cavity is filled with specially composed gases. One cell is filled with pure N2 (the measure cell). The other is filled with a combination of N2 and a high concentration of CO2 (the reference cell).

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gfc 7000ta specifications

The Teledyne GFC 7000TA is a cutting-edge, high-performance gas flow calibrator designed for both laboratory and field applications. This instrument is renowned for its accuracy, versatility, and reliability, making it an ideal choice for various industries, including aerospace, environmental monitoring, and manufacturing.

One of the standout features of the GFC 7000TA is its advanced measurement technology. It utilizes state-of-the-art thermal mass flow meters, which allow for precise fluid measurement across a wide range of flow rates. This technology ensures highly accurate readings, which are essential for applications requiring stringent compliance with regulatory standards.

The GFC 7000TA is capable of accommodating various types of gases, making it particularly versatile. Users can calibrate flow for gases such as air, nitrogen, or carbon dioxide, providing flexibility in a multitude of applications. The device also supports dual-channel capabilities, allowing simultaneous measurement and calibration of two different gas types, enhancing productivity and efficiency in processes.

Another notable characteristic of the GFC 7000TA is its user-friendly interface. Equipped with a high-resolution touchscreen display, the device offers intuitive navigation and data visualization. Users can easily set parameters, view real-time measurements, and generate printed reports. This interface reduces the learning curve for new operators, allowing organizations to implement the GFC 7000TA with minimal training.

In addition to its advanced measuring capabilities, the GFC 7000TA features a robust design for durability in harsh environments. The instrument is compliant with various international standards, ensuring its reliability and performance in various conditions. Its portable form factor makes it convenient for fieldwork, while the rugged construction provides peace of mind for users working in demanding settings.

The GFC 7000TA also incorporates modern connectivity options. With built-in USB and Ethernet ports, users can easily integrate the device into their existing systems for data logging and remote monitoring. This connectivity feature enables real-time data access and enhances the potential for analysis and optimization of gas flow systems.

In summary, the Teledyne GFC 7000TA is a high-performance gas flow calibrator characterized by its advanced thermal mass flow measurement technology, versatility in accommodating various gases, user-friendly interface, and robust design. With its modern connectivity features, this instrument stands out as a vital tool for professionals seeking precision and reliability in gas flow applications.

Teledyne gfc 7000ta operation manual Gas Filter Correlation, GFC Wheel

Models: gfc 7000ta