The Komyo NDIR Gas Analyzer Unit ZUS-3-05-12 is a precision-engineered analytical instrument designed for fixed gas detection and monitoring systems in industrial environments. Manufactured by Komyo Rikagaku Kogyo with power supply components from Cosel Koganei, this non-dispersive infrared (NDIR) gas analyzer delivers accurate, reliable gas concentration measurements that are essential for process safety, environmental compliance, and occupational health protection.

Non-dispersive infrared gas analysis represents one of the most trusted technologies for detecting and quantifying gaseous compounds in industrial process streams, ambient air monitoring stations, and hazardous area installations. The NDIR principle exploits the characteristic infrared absorption spectra of target gas molecules, providing selective detection with minimal interference from other atmospheric components. The Komyo ZUS-3-05-12 leverages this proven technology to deliver continuous, real-time gas analysis that protects personnel, equipment, and the environment from the dangers of toxic or combustible gas releases.

At Auto2mation, we understand that gas detection accuracy can mean the difference between safe operations and catastrophic incidents. That is why we carefully source gas analysis equipment like the Komyo NDIR Gas Analyzer Unit from manufacturers with established track records for precision, reliability, and regulatory compliance. Whether your application involves monitoring flammable gases in petrochemical facilities, tracking carbon dioxide levels in HVAC systems, or ensuring safe working atmospheres in confined marine spaces, this analyzer provides the measurement confidence your safety systems require.

Key Features & Specifications

The Komyo ZUS-3-05-12 NDIR Gas Analyzer Unit combines advanced infrared sensing technology with robust industrial design to deliver outstanding performance in demanding gas detection applications. Every feature of this unit reflects the manufacturer's deep expertise in analytical instrumentation for industrial safety systems.

• NDIR Technology: Non-dispersive infrared sensing provides highly selective gas detection with excellent long-term stability and minimal drift, reducing calibration frequency and maintenance costs.
• Multi-Voltage Power Supply: Accepts 5V and 12V DC inputs with 250mA current draw, as well as universal AC input from 100-240V at 0.5A, providing exceptional installation flexibility across different power system configurations.
• Wide Frequency Range: Operates at 50-60Hz AC input frequencies, ensuring compatibility with power grids worldwide regardless of regional electrical standards.
• Fixed Gas Detection Design: Engineered specifically for permanent installation in stationary gas detection systems, providing continuous 24/7 monitoring capability for critical safety applications.
• Lightweight Construction: At just 2.720 Kg, the unit is easy to handle and install, reducing mounting hardware requirements and simplifying field deployment.
• Multiple Part Numbers: Cross-reference numbers FTC-5761508 (01), N51105090, and 71520932 ensure compatibility verification with existing system documentation and spare parts inventories.
• New Condition: Supplied as a new unit, providing full operational life expectancy and eliminating the uncertainty associated with refurbished analytical equipment.

Technical Specifications

Specification	Details
Product Name	Komyo NDIR Gas Analyzer Unit
Model Number	ZUS-3-05-12
Part Numbers	FTC-5761508 (01), N51105090, 71520932
Manufacturer	Komyo Rikagaku Kogyo, Cosel Koganei
Brand Name	Komyo
Power Supply (DC)	5V, 12V, 250mA
Power Supply (AC)	AC100-240V, 0.5A, 50-60Hz
Weight	2.720 Kg

Applications & Use Cases

The Komyo NDIR Gas Analyzer Unit serves a critical function across numerous industries where gas monitoring is essential for safety, regulatory compliance, and process optimization. Its versatile power input options and proven NDIR technology make it a reliable choice for diverse deployment scenarios.

Petrochemical and Refinery Operations

In petrochemical plants and oil refineries, the ZUS-3-05-12 provides continuous monitoring of hydrocarbon gases, carbon dioxide, carbon monoxide, and other process-related compounds. Fixed gas detection systems incorporating this analyzer protect process areas, storage tanks, loading facilities, and flare systems from the dangers of combustible gas accumulation. The unit's reliability in harsh industrial environments makes it a trusted component of safety instrumented systems (SIS) designed to prevent fires, explosions, and toxic releases.

Marine and Offshore Safety Systems

Marine vessels and offshore platforms require continuous gas monitoring in engine rooms, cargo holds, ballast tanks, and accommodation spaces. The Komyo analyzer's multi-voltage power compatibility simplifies integration into vessel electrical systems, while its compact 2.720 Kg footprint facilitates installation in space-constrained marine environments. The analyzer supports compliance with International Maritime Organization (IMO) safety requirements for gas detection aboard ships carrying dangerous goods.

Industrial Process Control

Manufacturing processes involving combustion, chemical reactions, or gas handling require precise gas composition monitoring to maintain product quality and operational safety. The NDIR technology in the ZUS-3-05-12 enables accurate measurement of CO2, CO, CH4, and other infrared-active gases commonly encountered in furnace operations, fermentation processes, heat treatment applications, and gas blending systems. Integration with industrial process control systems enables automated responses to gas concentration deviations.

Environmental Monitoring

Ambient air quality monitoring stations utilize NDIR gas analyzers to track greenhouse gas emissions, atmospheric pollutants, and industrial effluent compounds. The Komyo unit's measurement stability and low drift characteristics ensure data integrity for regulatory reporting and environmental management system documentation. Applications include stack gas monitoring, perimeter fence-line monitoring, and indoor air quality assessment in commercial buildings.

Confined Space Entry Safety

Fixed gas detection systems protecting confined spaces such as tanks, vessels, tunnels, and underground utilities depend on reliable analyzers to detect oxygen deficiency, combustible gas buildup, and toxic compound presence before personnel entry. The ZUS-3-05-12 provides the continuous monitoring foundation for confined space safety protocols, triggering ventilation systems, audible alarms, and entry lockout systems when hazardous conditions develop.

Why Choose the Komyo NDIR Gas Analyzer Unit

Proven NDIR Technology

Non-dispersive infrared analysis has been the gold standard for industrial gas measurement for decades. Unlike electrochemical or semiconductor sensors that degrade through chemical consumption, NDIR detectors measure gas concentration optically, providing exceptional long-term stability and extended service intervals. The Komyo ZUS-3-05-12 leverages this mature technology to deliver measurement confidence that safety-critical applications demand.

Flexible Power Options

The analyzer's acceptance of both low-voltage DC (5V/12V) and universal AC (100-240V) power inputs provides unmatched installation flexibility. This dual-power capability enables deployment in battery-backed safety systems, solar-powered remote monitoring stations, and conventional AC-powered fixed installations without requiring external power conversion equipment.

Trusted Japanese Manufacturing

Komyo Rikagaku Kogyo has established a global reputation for precision gas detection instrumentation. Combined with Cosel Koganei's industry-leading power supply technology, this analyzer represents a collaboration between two of Japan's most respected industrial equipment manufacturers. The quality engineering evident in every aspect of this unit ensures reliable operation and long service life.

Compatibility & Integration

The Komyo ZUS-3-05-12 NDIR Gas Analyzer Unit is designed for straightforward integration into fixed gas detection system architectures. Its standardized electrical interfaces and compact dimensions facilitate installation in new systems as well as retrofit replacement of aging or obsolete analyzers. The unit outputs gas concentration data in formats compatible with most programmable logic controllers, distributed control systems, and dedicated gas detection control panels.

For system integrators and safety engineers, the analyzer's multiple cross-reference part numbers (FTC-5761508 (01), N51105090, 71520932) simplify verification of compatibility with existing system documentation, bills of material, and maintenance records. This traceability ensures that replacement units match the original system design specifications and maintain the safety integrity level (SIL) ratings of the overall gas detection system.

Maintenance & Support

Regular calibration and maintenance are essential to ensuring the continued accuracy and reliability of any gas analyzer. The NDIR technology in the ZUS-3-05-12 requires less frequent calibration than many alternative sensing technologies, but periodic zero and span verification using certified reference gases remains necessary to maintain measurement traceability. Auto2mation recommends following the manufacturer's calibration schedule and using only certified calibration gases from reputable suppliers.

Your purchase from Auto2mation includes our standard 30-day warranty and access to our technical support team for installation guidance and operational questions. We also provide free worldwide shipping to ensure your critical safety equipment reaches you promptly, regardless of your facility's location.

Frequently Asked Questions

Q1: What gas detection technology does the Komyo ZUS-3-05-12 use?

The Komyo ZUS-3-05-12 uses non-dispersive infrared (NDIR) technology, which measures gas concentration by detecting the absorption of infrared radiation at specific wavelengths characteristic of the target gas molecules. This technology provides excellent selectivity, long-term stability, and minimal cross-sensitivity to interfering gases.

Q2: What power supply options does this gas analyzer support?

The analyzer supports multiple power inputs: 5V DC, 12V DC at 250mA, or universal AC input of 100-240V at 0.5A, 50-60Hz, providing flexible installation options for various electrical system configurations.

Q3: Who manufactures the Komyo NDIR Gas Analyzer Unit?

The analyzer is manufactured by Komyo Rikagaku Kogyo with power supply components from Cosel Koganei, both respected Japanese manufacturers of industrial analytical instrumentation and power electronics.

Q4: What industries use this gas analyzer?

This analyzer is used across petrochemical plants, oil refineries, marine vessels, offshore platforms, manufacturing facilities, environmental monitoring stations, and confined space safety systems where continuous gas detection is required.

Q5: What is the weight of the Komyo ZUS-3-05-12?

The Komyo NDIR Gas Analyzer Unit weighs 2.720 Kg, making it lightweight and easy to handle during installation in panels, enclosures, and field-mounted gas detection systems.

Q6: What condition is this unit supplied in?

This unit is supplied in new condition, providing full operational life expectancy and eliminating the uncertainty associated with refurbished analytical equipment.

Q7: Does Auto2mation provide warranty and support?

Yes, Auto2mation provides a comprehensive 30-day warranty on this analyzer, along with free worldwide shipping and access to our technical support team for installation and operational guidance.

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