GASDNA CO., LTD.

DA-753-NF3 is a high-performance suction-type gas detector designed for continuous monitoring of Nitrogen Trifluoride (NF₃) concentrations from 0 to 30 ppm. It provides fast, accurate, and reliable detection for semiconductor manufacturing, helping protect personnel, equipment, and production processes.

Key Features

• Measurement range: 0–30 ppm NF₃
• Suction-type sampling for stable and accurate monitoring
• Fast response and high sensitivity
• Continuous real-time gas detection
• 4–20 mA analog output
• Optional RS-485 Modbus communication
• Two programmable alarm relays
• Easy integration with PLC, DCS, and SCADA systems
• Designed for 24/7 industrial operation

Applications

• Semiconductor chamber cleaning systems
• CVD / PECVD equipment
• Gas Cabinets
• Valve Manifold Boxes (VMB)
• Scrubber systems
• Specialty gas monitoring
• Semiconductor fabs
• Industrial safety monitoring

Product Detail

ASD-57 is a combined thermal and smoke detector equipped with dual optical smoke sensors and a thermistor sensor. Using an AI-based signal processing algorithm, it accurately detects smoke concentration and ambient temperature, providing fast and reliable fire detection for industrial automation and semiconductor facilities.

Key Features

• Combined dual optical smoke sensors and thermistor sensor
• AI-based digital signal processing for optimized detection
• Detects low concentrations of smoke with high sensitivity
• Fast response time (within 3 seconds)
• Temperature detection using a thermistor sensor
• 24 VDC operation (22–26 VDC)
• Relay output and RS-485 Modbus communication
• Operating temperature: -35°C to +80°C
• Operating humidity: 0–95% RH (Non-Condensing)
• CE and KC certified

Applications

• Semiconductor manufacturing facilities
• Industrial automation equipment
• Cleanrooms
• Electrical and control rooms
• Manufacturing plants
• Critical industrial facilities
• Equipment fire protection
• Factory safety monitoring

DA-600S-H2 Hydrogen Gas Detector (0–99.99%Vol)

The DA-600S-H2 is an explosion-proof suction-type gas detector designed for continuous monitoring of high-concentration hydrogen gas up to 99.99%Vol.

It provides reliable measurement for hydrogen production, storage, distribution, semiconductor process equipment, gas cabinets, valve manifold boxes (VMB), and hydrogen fuel cell applications.

Key Features

• Measuring Range: 0–99.99%Vol H₂
• Fast Response (T90 ≤ 20 s)
• High Accuracy (±2% F.S.)
• Suction Sampling Method
• 4–20 mA Analog Output
• Optional RS-485 Modbus Communication
• Two Alarm Relay Outputs
• Explosion-proof Design
• Stable operation under harsh industrial environments

Applications

• Hydrogen Production (Electrolyzer & Reformer)
• Semiconductor Process Facilities
• Hydrogen Storage & Distribution
• Fuel Cell Systems
• Industrial Process Safety Monitoring

DA-600-O2 Oxygen Gas Detector (0–25%Vol)

The DA-600-O2 is an explosion-proof fixed gas detector designed for continuous oxygen monitoring in industrial environments. It provides reliable measurement of oxygen concentration for oxygen deficiency and oxygen enrichment detection.

Key Features

• Measuring Range: 0–25%Vol O₂
• High Accuracy and Stable Performance
• Fast Response (T90 ≤ 20 s)
• 4–20 mA Analog Output
• Optional RS-485 Modbus Communication
• Two Alarm Relay Outputs
• Explosion-proof Design
• Easy Installation and Maintenance

Applications

• Semiconductor Manufacturing
• Gas Cabinets & Utility Lines
• Industrial Plants
• Confined Space Monitoring
• Chemical & Petrochemical Facilities
• Process Safety Systems

DA-770-CF4 Carbon Tetrafluoride (CF4) Gas Analyzer

The DA-770-CF4 is a high-performance NDIR gas analyzer designed for continuous monitoring of Carbon Tetrafluoride (CF4). Optimized for semiconductor manufacturing processes, it provides highly selective and stable measurement with minimal interference from other gases.

Key Features

• NDIR (Non-Dispersive Infrared) sensing technology
• Measuring Range: 0–300 ppm
• High selectivity for CF4 with minimal cross-sensitivity
• Continuous suction sampling with built-in pump
• Fast response and excellent repeatability
• Long sensor life and low maintenance
• 4–20 mA Analog Output
• RS-485 Modbus Communication
• USB Data Logging
• User-configurable alarm levels and measuring range

Typical Applications

• Semiconductor Etching Process
• Chamber Cleaning Process
• Gas Cabinet
• Scrubber Monitoring
• Process Gas Monitoring
• Semiconductor Manufacturing Facilities

Benefits

• Accurate low-concentration CF4 monitoring
• Stable long-term operation
• Easy integration with PLC/DCS systems
• Reliable process safety and environmental monitoring

Multi-795 Multi Gas Analyzer (0–30% Vol)

The Multi-795 is a multi-channel gas analyzer designed for simultaneous measurement of CH₄, CO₂, H₂, CO, and O₂ in industrial process applications. It provides continuous, high-accuracy monitoring with stable long-term performance, making it ideal for hydrogen production, biogas, and process gas analysis.

Key Features

• Simultaneous measurement of up to 5 gases
• Measuring Range: 0–30% Vol
• High accuracy and excellent repeatability
• Fast response and continuous monitoring
• 4–20 mA Analog Output
• RS-485 Modbus Communication
• User-friendly LCD display and easy operation
• Compact design for industrial installations

Applications

• Hydrogen Production
• Water Electrolysis Systems
• Biogas Plants
• Process Gas Monitoring
• Research & Development
• Industrial Gas Analysis

Benefits

• Reliable multi-gas analysis in a single instrument
• Easy integration with PLC/DCS systems
• Reduced maintenance and stable long-term operation
• Ideal for continuous industrial process monitoring