Fixed gas Dectection Systems- 5000 Series
The Toka Seiki 5000 Series is a stationary continuous gas monitoring system designed for industrial facilities, marine vessels, offshore platforms, and hazardous environments where reliable gas detection is critical for safety and operational continuity. The series includes dedicated models for combustible gas detection, toxic gas monitoring, and oxygen measurement, providing continuous real-time monitoring with visual indication, alarm outputs, and industry-standard 4–20 mA signal transmission for integration with control and safety systems.
Description
The Toka Seiki 5000 Series is a stationary continuous gas monitoring system designed for industrial facilities, marine vessels, offshore platforms, and hazardous environments where reliable gas detection is critical for safety and operational continuity. The series includes dedicated models for combustible gas detection, toxic gas monitoring, and oxygen measurement, providing continuous real-time monitoring with visual indication, alarm outputs, and industry-standard 4–20 mA signal transmission for integration with control and safety systems.
Specifications
| Parameter | Value |
|---|---|
| Models | TU-5000, TK-5000, TO-5000 |
| Installation | Wall Mounted |
| Display | Real-Time Bar Graph Display |
| Alarm Levels | Dual Alarm (AL1 & AL2) |
| Signal Output | 4–20 mA |
| Application | Industrial Plants, Marine Vessels, Offshore Facilities |
| Monitoring | Continuous Gas Detection |
Features
- Continuous real-time gas monitoring
- Dedicated models for combustible, toxic, and oxygen detection
- Large bar graph indication display
- Dual alarm levels (AL1 & AL2)
- Standard 4–20 mA output
- Relay alarm outputs for external systems
- Compact wall-mounted design
- Easy maintenance and servicing
- High reliability for industrial and marine use
- Supports integration with safety and automation systems
- Stable long-term monitoring performance
- Suitable for hazardous operating environments
Applications
- Marine Engine Rooms
- Cargo Pump Rooms
- Fuel Handling Areas
- Offshore Platforms
- Chemical Processing Plants
- Petrochemical Facilities
- Power Generation Plants
- Storage Tank Farms
- Confined Space Monitoring
- Hazardous Gas Areas
- Industrial Safety Systems
- Environmental Monitoring Stations
Benefits
- Improves personnel and vessel safety
- Provides early warning of hazardous gas conditions
- Supports compliance with safety regulations
- Continuous unattended monitoring
- Easy integration with PLC, SCADA, and alarm systems
- Reliable operation in demanding environments
- Reduced maintenance requirements
- Suitable for both new installations and retrofit projects
Technical Specification
| Parameter | TU-5000 | TK-5000 | TO-5000 |
|---|---|---|---|
| Measurement Gas | Combustible Gas | Toxic Gas | Oxygen |
| Detection Principle | Catalytic Combustion | Electrochemical Cell | Galvanic Cell |
| Measurement Range | 0–100% LEL | Depends on Target Gas | 0–25% O₂ |
| Accuracy | ±5% F.S. | ±5–10% F.S. | ±0.7% O₂ |
| Display | Bar Graph | Bar Graph | Bar Graph |
| Signal Output | 4–20 mA | 4–20 mA | 4–20 mA |
| Alarm Outputs | AL1 & AL2 Relay Contacts | AL1 & AL2 Relay Contacts | AL1 & AL2 Relay Contacts |
| Power Supply | AC100V Standard | AC100V Standard | AC100V Standard |
| Installation | Wall Mounted | Wall Mounted | Wall Mounted |
Available models
TU-5000 – Combustible Gas Detector: The TU-5000 continuously monitors combustible gases using catalytic combustion technology. It provides reliable detection of flammable gas concentrations and is suitable for machinery spaces, fuel handling areas, chemical plants, and hazardous industrial environments. • Measurement Range: 0–100% LEL • Accuracy: ±5% Full Scale • Alarm Set Level: 20% LEL
TK-5000 – Toxic Gas Detector: The TK-5000 is designed for continuous monitoring of toxic gases using electrochemical sensor technology. It supports various toxic gas applications depending on the installed sensor. • Detection Principle: Electrochemical Cell • Typical Gases Monitored: Carbon Monoxide (CO), Hydrogen Sulfide (H₂S), Ammonia (NH₃), and other toxic industrial gases.
TO-5000 – Oxygen Monitor: The TO-5000 provides continuous oxygen concentration monitoring using a galvanic cell sensor. It is ideal for confined spaces, inert gas systems, enclosed compartments, and oxygen-deficient environments. • Measurement Range: 0–25% O₂ • Accuracy: ±0.7% O₂ • Low Oxygen Alarm: 18% O₂