Teledyne’s Carbon Dioxide Quality Control (CDQC) system offers an integrated package to continuously monitor impurities in carbon dioxide (CO2). The plug-and-play design allows for the user to select only the gases and features of interest to maximize cost benefit and space.
Front door viewing windows allow for view of all analyzer displays, flow and pressure settings. Stainless steel tube fitting connections and NPT or metric electrical ports as required are conveniently located in a central location for ease of access. Sample conditioning, utility gas provisions and integral calibration gas solenoid valves are standard.
- Brand
- DETAILS
- FEATURES
- APPLICATIONS
Brand
Teledyne Analytical TAI
DETAILS
Options
• Multi-point stream selection, controlled by Profibus-DP or discrete signals
• Stainless steel cabinet, NEMA or IP rated, climate control available
• Profibus-DP communications of most analyzers
• Integral zero air generator to eliminate zero air utility requirement
Optional Accessories :
VB Serial Valve Boxes
- Sequential stream timing control
- Automatic switch to next stream when the time elapsed.
- Timer indicator of stream elapsed time
- Individual timer of each stream
- Stream selection can be operated in either manual or sequencer
- Pushbutton to select the stream
- Optional Profibus-DP communications
Model 701 Zero Air Generator
- Creates hydrocarbon-free air supply for all FID-based analyzers
- Optional CO or CO and Hydrocarbon scrubber
- Automatic water drain
- Automatic pump control based on flow demand
- Source of purge air for permeation tube ovens
DAS
Software:
- Real time display of analyzer output
- Trending of the outputs over time
- Gas detector tube timer control
- Alarm display based on user programmable alarm limits
- Alarm display based on analyzer status
- Statistical process control based on calibration protocol
- Data storage to a selected database
- Valve Box sequencer control
- Certificate of Analysis production and storage
- Display real time trend of analyzers over 6 consecutive days
Hardware
- Windows CE based
- Hard Real-Time Capability
- Fast Boot Speed
- PLC Feel
- PXA270 CPU (32-bit & 520 MHZ)
- VGA Port Output or Touch Screen
- Options for MODBUS-TCP, MODBUS-RTU, Profibus-DP and OPC
- Support eLogger & Soft-GRAF HMI
- Support Ms Visual Studio .NET
- Scalable device modules
- Integrated display and control panel
- Ethernet/RS485/RS232 Connectors
FEATURES
- Single-bay/double-bay NEMA-12 powder coated steel cabinet with full door viewing windows
- 316 stainless steel tubing and fittings (sulfur-treated runs for trace sulfur analysis)
- Tube fitting connections (1/4” as standard, others available)
- FNPT electrical ports (metric available)
- Remote and auto-calibration capabilities
- Sample system included
APPLICATIONS
Raw carbon dioxide (CO2) is commonly sourced from ammonia plants, ethanol plants, and other fermentation sources. For use in food and beverages, proper removal of certain compounds in these processes is critical because many of them can pose health risks and impact beverage odor and taste. As a result, ultra-pure CO2 gas suppliers and bottlers continuously check product quality for part-per-million (PPM) or even part-per-billion (PPB) levels of these impurities. Impurity limits and the need to continuously monitor may vary depending on the customer and raw CO2 source.
Typical Impurity Requirements for Food & Beverage Grade Carbon Dioxide
| Impurity | Limit (typical) |
| Carbon Dioxide (CO2) Purity |
99.9% min |
| Acetaldehyde (C2H4O) |
0.2 ppm max |
| Ammonia (NH3) |
2.5 ppm max |
| Aromatic Hydrocarbon |
20 ppb max |
| Benzene (C6H6) |
20 ppb max |
| Carbon Monoxide (CO) |
10 ppm max |
| Methanol (CH3OH) |
10 ppm max |
| Moisture (H2Ov) |
20 ppm max |
| Nitric Oxide (NO) |
2.5 ppm max |
| Nitrogen Dioxide (NO2) |
2.5 ppm max |
| Oxygen (O2) |
30 ppm max |
| Sulfur Dioxide (SO2) |
1 ppm max |
| Total Sulfur |
0.1 ppm max |
| Total Volatile Hydrocarbons |
50 ppm max |
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