Midas-L-O2S - Product Specifications

Basic Information
Product Type: Laser Oxygen Sensor

Model Series: Midas-L (Industrial Gas Detection)

Variant: O2S (O₂ Sensing Version)

Technical Parameters
Measurement Range: 0-25% vol O₂ (standard) / 0-100% (optional)

Accuracy: ±0.5% FS

Response Time (T90): <5 seconds

Detection Principle: Tunable Diode Laser Absorption Spectroscopy (TDLAS)

Environmental Ratings
Operating Temp: -20°C to +50°C

Pressure Range: 800-1200 mbar abs

Humidity: 0-99% RH (non-condensing)

IP Rating: IP66

Performance Features
Zero Calibration: Not required

Cross Interference: None (CO₂/H₂O resistant)

Laser Life: >10 years continuous operation

Output & Communication
Analog Output: 4-20mA / 0-10V DC

Digital Interface: RS-485 Modbus RTU

Relay Output: 2x SPDT (alarm/control)

Certifications
Safety: ATEX/IECEx Zone 1 (Ex d IIC T6)

EMC: EN 61326-1

Medical: ISO 80601-2-55 (optional)

Applications
Combustion control (boilers/furnaces)

Modified atmosphere packaging

Fermentation monitoring

Manufacturer Equivalents:

Siemens LDS 6

Servomex 2500

Sick GMS800

Key Advantages
✓ Maintenance-Free – No consumable parts
✓ High Selectivity – Unaffected by other gases
✓ Explosion-Proof – Certified for hazardous areas