Operating Instructions

Model GFC7000TA Carbon Dioxide Analyzer

6.15.4.7. Setting Hessen Protocol Status Flags

Teledyne Instruments’ implementation of Hessen protocols includes a set of status bits that the instrument includes in responses to inform the host computer of its condition. Each bit can be assigned to one operational and warning message flag. The default settings for these bit/flags are:

Table 6-31: Default Hessen Status Bit Assignments

STATUS FLAG NAME

DEFAULT BIT

 

ASSIGNMENT

WARNING FLAGS

 

SAMPLE FLOW WARNING

0001

 

 

BENCH TEMP WARNING

0002

SOURCE WARNING

0004

 

 

BOX TEMP WARNING

0008

 

 

WHEEL TEMP WARNING

0010

SAMPLE TEMP WARNING

0020

 

 

SAMPLE PRESSURE WARNING

0040

INVALID CONC

0080

(The Instrument’s Front Panel Display Will Show The

 

Concentration As “XXXX”)

 

OPERATIONAL FLAGS

 

Instrument Off

0100

 

 

In Manual Calibration Mode

0200

 

 

In Zero Calibration Mode

0400

In Span Calibration Mode

0800

 

 

UNITS OF MEASURE FLAGS

 

UGM

0000

 

 

MGM

2000

 

 

PPB

4000

PPM

6000

 

 

SPARE/UNUSED BITS

100, 1000, 8000

UNASSIGNED FLAGS (0000)

Sync Warning

Relay Board Warning

 

 

Conc Alarm 1

Analog Cal Warning

Conc Alarm 2

Cannot Dyn Zero

 

 

Photo Temp Warning

Cannot Dyn Span

System Reset

Invalid Conc

 

 

Rear Board Not Detected

 

 

 

NOTES:

It is possible to assign more than one flag to the same Hessen status bit. This allows the grouping of similar flags, such as all temperature warnings, under the same status bit.

Be careful not to assign conflicting flags to the same bit as each status bit will be triggered if any of the assigned flags is active.

Teledyne Analytical Instruments

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Teledyne gfc 7000ta operation manual Default Hessen Status Bit Assignments, Status Flag Name Default BIT Assignment
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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.
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