Description
The Alfa Laval AAL7000 is a microprocessor-based oxygen monitoring and analyzer system designed for continuous measurement of oxygen concentration in combustion processes, exhaust systems, inert gas generators, and marine boiler applications. Utilizing a planar Zirconia-oxide (ZrO2) dual-cell sensor probe, it provides real-time gas analysis to support combustion efficiency and safety interlocks.
Technical Specifications
| Parameter | Value |
| Manufacturer | Alfa Laval (Aalborg Industries) |
| Model | AAL7000 |
| Product Type | Oxygen Analyzer / Gas Monitoring System |
| Measurement Range | 0 to 21% O2 |
| Accuracy | < 0.2% O2 |
| Response Time | < 1 second (analyzer module response) |
| Power-Up Time | Approximately 5 minutes |
| Sensor Technology | Planar Zirconia-oxide dual cell probe |
| Power Supply | 24 V DC (supplied via dedicated system power unit) |
| Certifications | M.E.D. (Marine Equipment Directive), DNV Type Approved |
Availability and Commercial Terms
- Condition: New Original / Factory Surplus / Refurbished Tested (verify exact stock batch and kit contents prior to order placement)
- Lead Time: 1 to 3 business days for standard stock components; 2 to 4 weeks for complete retrofit kits or factory allocations
- Warranty: 12-month standard replacement warranty covering hardware and manufacturing defects
- Pricing Note: Listed price is indicative, not final. Price subject to market conditions; contact us for a firm quote.
Field Integration and Operational Notes
When retrofitting older analyzer models with the AAL7000 upgrade kit, verify that the adapter plate, gasket seals, and probe cable glands match the mechanical layout of the existing sampling stack or inert gas line. The zirconia-oxide sensor requires stable operating temperatures; ensure proper electrical isolation and check that the 24 V DC power supply meets ripple and voltage regulation requirements to prevent measurement drift.
In marine and heavy industrial installations utilizing double-station configurations, ensure both primary and redundant sensor loops are correctly addressed and mapped into the central automation or alarm monitoring system.
Frequently Asked Questions
Q: What components are typically included in an AAL7000 modification or replacement kit?
A: Standard upgrade packages generally include the AAL7000 analyzer unit, zirconia oxygen probe, 24 V DC power supply, mounting adapter plate, probe cable glands, and documentation sets. Verify exact scope of supply before ordering.
Q: Can the AAL7000 probe be installed directly into high-vibration exhaust stacks?
A: Yes, the system features enhanced vibration resistance designed for marine engine rooms and boiler uptakes, provided that the physical mounting nozzle is adequately reinforced and supported.
Q: What is the primary function of the Zirconia-oxide dual cell in this analyzer?
A: The dual-cell planar zirconia design generates a millivolt output proportional to the partial pressure difference of oxygen across the cell, enabling rapid response times and high measurement accuracy in flue gas environments.
