VAR 18 Breathable air quality analyzer EN 12021 & AREVA standards compliant

Breathing air quality

Ruggedly built, this device features pressure and flow regulators for precise measurements with no drift over time. The VAR 18' is available with a wide range of options, such as four additional gas detection cells (NO2, SO2, NH3, HC, H2S, or HF), temperature sensors, or a ticket printer to adapt to the different needs of each customer.

The advantages of the VAR 18 breathing air monitoring system

• Continuous measurement of CO, CO2, O2, H2O and oil to EN 12021 standard
• Continuous measurement display on the color screen
• Sensor calibration from the display screen
• Continuous cell flow control
• Measurement traceability on SD card
• Electrical servo-control for alarm and central fault
• Alarms triggered in the event of power failure
• Sensors integrated into the interchangeable cell block
• Available in suitcase, board, or 19'' case’
• Numerous options available (up to 4 additional gas cells, dust analysis, temperature sensor, ticket printer, CAN, Ethernet or Profibus communication, etc.)

Technical features of the VAR 18

• Dimensions: 450 x 380 x 500mm (Pelicase) / Weight: 14 kg
• Material: ABS (suitcase version) / Metal (19'' case version)
• Protection rating: IP 66 (suitcase with closed cover)
• Power supply: 90 to 240V 50 or 60 Hz 
• Consumption: 1A / 230V
• Operating temperature: 10 bar maximum (without high-pressure option)
• Limited dew point: down to -80°C
• Integrated data logger: 2GB SD card
• Connection: 4x6 mm tube
• Operating temperature: 5 to 45°C / Humidity: 95% RH

Breathing air quality analysis according to NF EN 12021 standard

Breathable air defines air quality as close as possible to that of outside air and corresponds to standard EN 12021. The main requirements of this standard, applicable to all breathing apparatus (SCBA, air-supplied respirators, etc.), are as follows:

• Oxygen content (O2): 21% (±1%)
• Carvone dioxide (CO2) content: < 500 ppm
• Carvone monoxide (CO): < 5 ppm
• Oil vapour < 0.5ppm or 0.5 mg/m3 (mainly from the air compressor)
• Inhaled air must be odorless and tasteless
• The breathing air network must not contain water in a liquid state. In fact, the dew point must be low enough to avoid condensation or icing, i.e. -5°c from the lowest temperature