Product Description
Brand
Eppendorf
Model GA4
Capacity O2 1 - 50% and CO2 0 - 25%
CAT No. 76DMGA1X
Application Bioprocess
The DASGIP GA4 exhaust analyzer supports precise online measurement of exhaust oxygen and carbon dioxide in four discrete analyzer channels. An integrated mass flow sensor allows online calculation and monitoring of oxygen transfer rate (OTR), carbon dioxide transfer rate (CTR) and respiratory quotient (RQ), permitting direct conclusions on the metabolic state of the culture and online feedback loops. Optionally the DASGIP GA4 can be equipped with an analog input/output interface for easy integration into third party systems.
Seamless Gas Measurement IntegrationThe DASGIP GA4 module integrates effortlessly with bioreactor systems via Ethernet, CAN, or RS-232 interfaces. It delivers real-time, digital monitoring of exhaust gases, contributing to precise bioprocess control. Its robust design and customizable calibration ensure reliable performance for a wide range of laboratory and industrial biotechnology applications.
Superior Data Management & User ExperienceEquipped with a responsive touchscreen and continuous data logging capabilities, the GA4 facilitates in-depth monitoring and export of gas composition data. Users benefit from both the intuitive software interface and the flexibility to export data for further analysis, enhancing workflow efficiency, documentation, and compliance.
Designed for Practicality and LongevityConstructed from high-grade stainless steel and industrial plastic, the DASGIP GA4 delivers durability and minimal maintenance requirements. Sensor exchange is straightforward, and the module's compact design ensures easy laboratory placement. CE certification underscores its high safety standards for demanding research environments.
FAQ's of Eppendorf DASGIP GA4 Stand-Alone Exhaust Analyzing Module:
Q: How does the Eppendorf DASGIP GA4 measure exhaust gases in bioreactor systems?
A: The GA4 module uses infrared sensors for CO2 detection and paramagnetic or electrochemical sensors for O2 measurement. Optional channels allow monitoring of CH4 and other gases. Gases are analyzed continuously from the bioreactor exhaust with sample flow rates between 0.3 and 1.2 L/min.
Q: What gases can the DASGIP GA4 module detect and does it support simultaneous measurement?
A: The module simultaneously measures oxygen (O2) and carbon dioxide (CO2). With optional channels, it can also monitor methane (CH4) and selected other gases, supporting comprehensive exhaust gas analysis in bioprocesses.
Q: When should calibration of the DASGIP GA4 be performed, and how is it managed?
A: Calibration can be conducted automatically or manually, depending on user preference and process requirements. Regular calibration ensures measurement accuracy, especially when changing gas types or after prolonged use. The system's software guides users through the calibration process.
Q: Where can data from the DASGIP GA4 be accessed and exported?
A: Exhaust gas data is displayed in real time on the module's digital touchscreen. The system also provides continuous data logging, with export functionality that enables users to transfer records for further analysis or regulatory documentation.
Q: What is the installation and operating process for the GA4 module?
A: Installation involves connecting the module to your bioreactor system using standard interfaces (Ethernet, CAN, or RS-232). Operation is largely automated via the integrated software and touchscreen display. The device supports up to four gas analyzer channels and operates within ambient temperatures of +10C to +40C.
Q: How does the DASGIP GA4 benefit laboratory and industrial research applications?
A: The GA4 enhances processes by providing accurate, real-time monitoring of essential exhaust gases. Its integration capabilities, continuous data capture, and minimal maintenance requirements streamline bioprocess control, ensuring consistent results and regulatory compliance in fermentation, cell culture, and process development.
Q: What maintenance is required for the DASGIP GA4, and is sensor exchange difficult?
A: The DASGIP GA4 is designed for easy maintenance, with straightforward sensor replacement procedures. Periodic maintenance usually involves sensor exchange and routine cleaning, allowing users to keep the instrument in optimal working condition with minimal downtime.