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Oxygen Analyzer for Nitrogen and Oxygen Generators

2026-03-26

A leading industrial gas supplier faced inconsistent gas purity levels in its nitrogen and oxygen generators, causing production inefficiencies and increased maintenance costs. In applications such as food packaging, metal processing, and medical oxygen supply, precise oxygen concentration is critical to ensure safety and product quality. The company implemented an advanced oxygen analyzer to continuously monitor oxygen levels in real time. As a result, they achieved accurate purity control, reduced downtime, and improved operational reliability. The solution enhanced process efficiency, ensured compliance with industry standards, and lowered overall operating costs, delivering measurable performance improvements across multiple application scenarios.

Technical Specifications

Monitor	Five-digit dynamic LED
Measuring Ranges	0~10ppm, 0~2%, 0~21% O₂
Sensor Principle	Ion Current Oxygen Sensor (Galvanic Fuel Cell)
Accuracy	±5% ( 0-100ppm FS), ±2% (0-2% FS), ±1% (0-21% FS)
Response Time	<20 seconds
Operating Temperature	-10°C to +50°C
Stability	<±1% FS over 168 hours
Signal Output	4~20mA analog
Power Supply	DC24V (Loop-powered)
Lifetime	Sensor: 8,000 hours; Analyzer: 16,000 hours

Frequently Asked Questions

What sensor technology does this analyzer use?

It employs a galvanic fuel cell (ion current) sensor, chosen for its high accuracy, long lifespan, and suitability for continuous gas stream monitoring.

Is it suitable for hazardous environments?

Yes. It offers certified options for Intrinsically Safe (Zone 0), Non-Incendive (Div 2), and Ex flameproof installations, ensuring compliance in high-risk areas.

How is the analyzer powered, and what outputs does it provide?

It is loop-powered via a 24V DC two-wire system and outputs a standard 4-20mA analog signal, easily integrated with PLCs or SCADA systems for real-time data logging.

What maintenance is required?

Minimal maintenance is needed, with the sensor as the primary consumable (8,000-hour lifespan). Built-in diagnostics alert users to sensor health, enabling scheduled replacements.

What applications is it best suited for?

Ideal for glove box leak detection, natural gas quality control, semiconductor manufacturing, inert welding gas purity, heat treating atmospheres, and membrane air separators.

Keywords: Oxygen Analyzer, Continuous Online Monitoring, Disc Installation, Galvanic Fuel Cell Sensor, Hazardous Location Certified, Industrial Gas Analysis, ppm O₂ Measurement, Process Safety.

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