NOTIFIER VGS-CO2 series infrared CO2 detector

Technical Data

• Infrared CO2 detector NOTIFIER series VGS-CO2
• Infrared sensor for carbon dioxide detection
• Measuring range 0-5% Vol. equivalent to 50000 ppm
• 10 bit microprocessor on the electronics board
• Accuracy of ±5% s.f. or 10% of the reading
• Repeatability of ±5% of full scale
• Preheating time of 5 minutes
• Maximum load resistance of 200Ω
• Exercise pressure 80-110 kPa
• Air velocity less than 6 m/s
• Vertical installation with the sensor facing downwards

Functionalities

• System self-diagnosis with hardware verification
• Zero regulator for parameter maintenance against thermal or physical drifts of the sensor
• Digital filter for correction of transient phenomena that could cause instability or reading errors
• Hysteresis cycle applied to digital outputs associated with alarm thresholds
• Watch-dog for microprocessor control

Alarms

• 3-relay option board with pre-alarm, alarm and fault outputs
• 3 relays with 24V and 1A voltage free switching contacts with status indication LEDs

Power supply

• 12-24V DC power supply with tolerance -20% +15%.
• Consumption at 12V DC 90 mA at average value and 130 mA at maximum value

Environmental

• Operating temperature from -20 to +60°C (-20 to +60°C)
• Storage temperature -20 to +60°C (-20 to +60°C)
• Relative humidity 20-90% RH at 40°C without condensation
• IP55 protection

Physical characteristics

• DU version in dustproof container
• Weight 800 g
• Dimensions 106 x 180 x 62 mm

Contents

• Infrared CO2 detector NOTIFIER-807 (VGS.DU-CO2/5)

Certifications and standards

• ATEX certificate