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Carbon Dioxide - Infrared

• (0 – 5.00 %Vol)
• Part No. 823-0205-51

Specifications:

• Minimum Indicated Concentration: 0.15 %Vol
• Repeatability: 5% of Reading
• Accuracy:

• ± 5% of Reading at Cal.Temperature
• ± 0.055%Vol/°C away from the Cal. Temperature (2σ value)
• Baseline Drift: 0.06 %Vol change per year (typical)
• Response Time (Rise): T_60: < 65 seconds
• Response Time (Rise): T₉₀: < 105 seconds
• Recovery Time (Fall): T₁₀: < 90 seconds
• Temperature Range: 20° to 55°C (-4° to 131°F)
• Humidity Range (continuous): 0–95 %RH, non-condensing
• Expected Sensor Life: 5 years from Shipping Date
• Recommended Calibration Flow Rate: 500 to 1000 cc/min
• SensAlert 4-Channel Controller: Compatible with software version 1.17 or later CAUTION: Use of this sensor with earlier software versions will result in erroneous and unsafe readings.

Special Calibration Considerations: Infrared Carbon Dioxide Sensor (PN° 823-0205-51)

Zeroing The Sensor:

It is recommended that zero-air or zero-nitrogen be used to calibrate the zero on this sensor. Ambient air typically contains 0.04 to 0.07 %Vol CO2, zeroing in ambient air will reduce the sensor accuracy. It is important that the zero-gas be at the same temperature as the sensor, zeroing with the gas and sensor at different temperatures will significantly affect both the baseline value and sensor accuracy. Complete zeroing instructions are provided in the SensAlert Plus User Manual. A 3 to 5 minute pre-exposure is recommended prior to zeroing the sensor.

Span Calibration:

It is recommended that this sensor be calibrated at the full scale concentration of 5.0 %Vol CO2. It is important that the span gas be at the same temperature as the sensor, calibrating with the gas and sensor at different temperatures will significantly affect the sensor accuracy. Complete span calibration instructions are provided in the SensAlert Plus User Manual.

NOTE: Due to the sensor CO2 IR absorption characteristics, it is highly recommended that the baseline and span be calibrated in tandem. Zeroing the sensor without a subsequent span calibration can affect the sensor accuracy.

Test-on-Demand Cell: There is no Test-On-Demand cell available for this sensor.

About Sensidyne:

Sensidyne is a world-class manufacturer and a leader in Air Monitoring systems. People and industries worldwide have come to rely on Sensidyne technology and the expertise of every Sensidyne Associate. We specialize in finding solutions to customer applications. Our highly qualified technicians offer repair and calibration services in both the factory and onsite.

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