Infrared analyser - IR 8000
Control of CO2 or N2O in ppm level (CO/CO2 configuration possible for medical applications)
General
IR 8000 Infrared Analyser uses NDIR photometry technology to perform the measurement of CO2 or N2O, in ppm level, in various gases. A CO/CO2 ppm configuration is also possible for medical applications.
Principle
The IR 8000 analyser uses a NDIR photometer to perform its measurements.
- A gas filled-layered detector allows for a highly selective measurement in different sample gas mixture / applications.
- The applied measuring principle NDUV absorption spectroscopy enables the IR8000 to detect even smallest concentrations.
- The high stability of the measurement is achieved due to the design and the applied signal processing.
Technical specifications
| Measurement method | Non-Dispersive Infrared Absorption |
| Ranges | 2 measuring ranges configurable |
| Analog Output signals | 2 x 4..20mA configurable |
| Digital output | Ethernet-10/100BASE-T (standard) 4 x D/O configurable (standard) Modbus RS232/485 Profibus DP/PA and Profinet (optional) |
| Linearity | ≤ 1 % of span |
| Repeatability | < 0.5 % of span |
| Zero Drift | ≤ 1 % of span per week |
| Sensitivity Drift | ≤ 1 % of the measured value per week |
| Output Fluctuation (2 σ) | ≤ 0.2 % of span at electronic - T90 time (static/dynamic) = 5/0 sec |
| Detection Limit (4 σ) | ≤ 0.4 % of span at electronic - T90 time (static/dynamic) = 5/0 sec |
| Warm-up time | Approx. 30 minutes without thermostat, approx. 2 hours with thermostat |
| Response time | T90 = 2.5 sec for measurement cell length = 175 mm, sample gas flow = 60 l/h and electronic T90 time (static/dynamic) = 5 / 0 sec. |
| Temperature | +5 to 45°C |
| Dew Point | 5 °C below the temperature throughout the sample gas path |
| Pressure | atmosphere, permissible: 800 – 1250 hPa |
| Flow rate | 20 - 100 L/h |
| Connections | 1/8 NPT female thread (inlets and outlets) |
| Power supply | 100 - 240 V AC (- 15 %, + 10 %) 50-60 Hz (± 3 Hz). |
| Dimensions | Rackable unit 19’’ - Total height: 3U (133mm) – Depth: 365 mm. |
Applications
- Continuous monitoring on waste incinerator and combustion plants
- Medical (CO/CO2 version)
- Industrial gases
- Air Separation Units
- Specialty gases
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Features
Highly selective measurement in different sample gas mixtures/applications
High stability of measurement
Cross sensitivity correction
Various measuring ranges
Special version available for medical applications (CO/CO2 ppm in Air, O2 and N2)
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