| ■ Infra-Red Sensor Determines Carbon Dioxide Concentration ■ Zirconium Oxide Sensor Monitors Oxygen Concentration ■ Sensors are Maintenance Free, provide high accuracy and excellent long-term stability ■ Built-in Sample Pump provides regulated delivery of sample gasses ■ Built-In Flow Meter enables precise control of the sample gas flow rate ■ Simultaneous Export of Data to a PC enables automated process |