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Continuous Flow Analyzers

Ideal for laboratories requiring high throughput, high reproducibility and low detection limits, SEAL’s continuous flow analyzers, utilizing segmented flow analysis (SFA) technology, are state of the art nutrient analyzers. Systems are customizable to fit all workloads and method needs. Perfectly suited for standard chemistries as well as inline sample preparation including dialysis and UV digestion.

The SEAL AA500 Continuous Flow Analyzer, utilizing segmented flow analysis for high-throughput, automated nutrient analysis

Automated segmented flow analyzers for nutrient testing

SEAL Analytical’s Segmented Flow Analyzers, a category of Continuous Flow Analyzers (CFA), set the standard for high-throughput, reproducible nutrient analysis with the lowest detection limits available. Designed for maximum flexibility and precision, these systems can automate the simultaneous analysis of colorimetric methods from system start-up to shut-down, enabling true walk-away operation. From water and wastewater analysis to applications in fertilizer, soil, plants, tobacco, wine, and industrial testing, our analyzers are trusted worldwide for their performance and reliability. 

Descended from the Technicon AutoAnalyzer, the world's first continuous flow analyzer, our systems utilize Segmented Flow Analysis (SFA) to bring colorimetric reactions to full color development, allowing for maximum sensitivity and accuracy. Segmented flow analysis offers a variety of benefits, including full colorimetric reaction, decreased carryover, and a visual flow of liquid movement through the system.

Benefits of SEAL’s continuous flow analyzers

High-throughput nutrient testing with automated continuous flow analyzers

SEAL analyzers reduce manual operation with features like automatic startup/shutdown and multi-test manifolds.

  • Customizable programs allow for flexibility in start-up and shut-down automation depending on methods to be run.
  • Safe, fully unattended shutdown is possible with the use of reagent valves, automated pump platen, and other software-controlled components on systems like the AA500.
  • Multi-test manifolds streamline method switching with just the change of the LED light source - no cartridge changes or other hardware adjustments necessary!

In-line sample pretreatment for segmented flow analyzers: Gas Diffusion, UV Digestion & more

SEAL segmented flow analyzers can include inline sample prep and pretreatment options such as distillation, digestion, dialysis, and dilution; essential for nutrient testing in complex matrices like wastewater or tobacco extracts. Eliminate distillation entirely for analyses such as ammonia and cyanide with inline gas diffusion options for further streamlined analysis.

Modular continuous flow analyzers built for any lab workload

Whether your lab runs several tests on hundreds of samples per day or focuses on precise single-parameter analysis, SEAL analyzers offer various configurations, modules, and detectors to match your exact needs.

German-engineered continuous flow analyzers with proven reliability

Our CFA production factory at SEAL Germany has manufactured the AutoAnalyzer product line for decades, including research and development to achieve the highest performance levels. Cutting-edge sampling systems, robust pumps, high-resolution photometers, and precision-engineered chemistry modules bring unparalleled accuracy and efficiency, no matter your testing application.

Explore Our Segmented Flow Analyzer Models

AA500 AutoAnalyzer
AA500 AutoAnalyzer

The AA500 is the top-of-the-line AutoAnalyzer incorporating the latest innovations to deliver your laboratory the freedom of total automation while achieving very high precision and the lowest detections levels. The AA500 is the AutoAnalyzer you’ve been waiting for- total automation, ultralow detection, multitest chemistries, high throughput.

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QuAAtro39 AutoAnalyzer
QuAAtro39 AutoAnalyzer

Incredibly powerful and compact, the QuAAtro39 AutoAnalyzer offers micro or macro flow hydraulics, heated manifolds, high resolution detectors and advanced software. This high performance microflow chemistry analyzer is ideal for the detection of ultra-low nutrients in water, wastewater, seawater, soil, plant extracts, tobacco and wine.

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AA100 AutoAnalyzer
AA100 AutoAnalyzer

The compact, dual-channel AA100 auto analyzer is the ideal chemistry analyzer for laboratories running only 1 or 2 dedicated chemistries. Like the bigger AA500 AutoAnalyzer, it is designed specifically to meet the needs of environmental and industrial testing laboratories.

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AA3 HR AutoAnalyzer (Legacy System)
AA3 HR AutoAnalyzer (Legacy System)

Succeeded by the AA500, the AA3 AutoAnalyzer brought segmented flow analysis into the Digital Age. Following the success of the AutoAnalyzer II from Technicon and Bran+Luebbe, the AA3 and AA3 HR became the standard automated analyzer for nutrient analysis in seawater and tobacco analysis, and a key system for water, wastewater, drinking water, fertilizer, soil, and plant analysis.

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AutoAnalyzer II (Legacy System)
AutoAnalyzer II (Legacy System)

Introduced in 1969, the Technicon AutoAnalyzer II was the 20th century's best known and most successful Continuous Flow Automated Analyzer, and the instrument that most EPA methods reference. Predecessor to the SEAL Analytical AA3 and AA500, it laid the groundwork for the widespread popularity of segmented flow analysis.

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