NOTIFIER VGS-CO2 infrared CO2 gas detector

Technical Data

• Infrared CO2 gas detector NOTIFIER series VGS-CO2
• Sensitive element based on infrared sensor for carbon dioxide detection.
• Measuring range from 0 to 5000 ppm (0.5% vol.)
• Integrated microprocessor with management and self-diagnostic algorithms
• Automatic zero adjustment for compensation of sensor variations
• Digital filter for correction of transient phenomena
• Hysteresis on digital outputs associated with alarm levels
• Watchdog for microprocessor supervision

Functionalities

• System self-diagnostics with hardware verification
• Measurement stability even in the presence of humidity or water
• High selectivity and accuracy in CO2 detection
• Requires less maintenance and calibration than catalytic or semiconductor sensors

Alarms

• 4-20 mA analog analysis output
• Optional card with 3 relays for pre-alarm, alarm and failure
• Voltage-free relay contacts 24 V 1 A

Power supply

• 12-24 Vdc -20% +15% power supply
• Consumption at 12 Vdc 90 mA average
• Maximum consumption 130 mA

Environmental

• Operating temperature -20 °C to +60 °C (-4 °F to 140 °F)
• Storage temperature -20 °C to +60 °C (-4 °F to 140 °F)
• Relative humidity 20% to 90% non-condensing
• 80 to 110 kPa operating pressure
• Air velocity less than 6 m/s
• IP55 protection in dustproof version

Physical characteristics

• Dimensions 106 × 180 × 62 mm
• Weight approx. 800 g
• Vertical installation with sensor facing downwards

Contents

• Infrared CO2 detector NOTIFIER-805 (VGS.DU-CO2/0.5)

Certifications and standards

• ATEX certification