CO2 Gas Analyzer (IRGA) - 2000 ppm

NDIR CO2 analysers (IRGA) for life science research, environmental monitoring and industrial applications covering gas phase CO2 concentrations from 0-2000 ppm; high CO2 Analyser models (0-10% CO2) available. Whether stand-alone or integrated into gas exchange and control systems, the reliable IRGAs will meet your requirements. CO2 analysers in the range 0 to 2000 ppm carbon dioxide include:

Q-S157 CO2 Analyser system,
Q-S151 CO₂ Analyser module.

Q-S157 CO2 Analyzer - with build in gas pump / gas pump & mass flow monitor

Q-S157 CO2 Analyser, a single channel, flow-through, non-dispersive infrared CO2 analyser (IRGA) that measures CO2 in the range of 0 to 2000 ppm with a resolution of 1 ppm. The device is ideal for stand-alone CO2 exchange measurements with leaves, insects, small animals or organisms with low metabolic rates. It can also be used to measure soil respiration and for environmental monitoring. The Q-S157 is available as a (stand-alone) CO2 IRGA with

gas analyser only (Q-S157),
built-in gas pump (Q-S157-P), or
with built-in gas pump & mass flow monitor (Q-S157-PF).

All three versions of the Q-S157 feature temperature control of the rugged carrying case, making it ideal for field use.

The Q-S157 CO2 analyser can be used to monitor CO2 levels in greenhouses and growth chambers. It is rugged and portable for use in the laboratory or in the field (with optional battery pack). The analyser can be used in a flow-through gas exchange configuration for instantaneous and continuous measurements of CO2 exchange. It can also be used in injection mode with a septum to measure CO2 levels, e.g. in collected whole air samples. For measurements of minimal changes in CO2 levels, the analyser can be used in stop flow or closed system mode. The Q-S157 can be used as part of CO2 Control Systems in growth cabinets or other chambers. We recommend using the Q-S157 with Qubit supplied data interface and software (optional), but other data acquisition systems 0-5 V can also be used.

Q-S157 - Features

Non-dispersive infrared sensor, modulated infrared light source
0 - 2000 ppm CO2 range
Temperature controlled
1 ppm carbon dioxide resolution on digital display
0-5 V analogue output
Compact and portable in a weatherproof, rugged case

Options

Available with built-in gas pump (S157-P),
Available with built-in gas pump and flow monitor (S157-PF)
Battery pack, for field use
LoggerPro Software
Extended Range (0-10,000 ppm CO2)

Q-S157 CO2 Gas Analyzer, rugged - user interface

See below for Q-S157 specifications.

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Q-S151 CO2 Analyzer

Q-S151 CO2 Analyser, a non-dispersive infrared CO2 analyser (IRGA) that measures from 0 to 2000 ppm with a resolution of 1 ppm. The reliable technology is robust and modular for easy integration into the Q-Box packages or for stand-alone use. The Q-S151 is ideal for CO2 exchange measurements with leaves, insects, small animals or organisms with low metabolic rates. It is also excellent for in situ measurements of ecosystem or soil respiration in the field and in the laboratory.

This CO2 analyser can be used in a flow-through system configuration for instantaneous and continuous measurements of CO2 production or consumption. It can also be used in a closed system mode for measurements at extremely low activity levels. The Q-S151 CO2 analyser can be set up for use in injection mode, where small samples of CO2 gas are injected into a carrier gas flowing past the CO2 sensor to measure CO2 levels in the headspace of collected samples. Applications include photosynthesis measurements, respiration of roots and soil samples, respirometry of insects and other invertebrates, headspace analysis of cell cultures, and atmospheric monitoring and carbon dioxide control systems. Research packages that include the Q-S151 CO2 analyser:

Q-S151 GAs Analyzer - Features

Two switchable ranges: 0–500 ppm (high accuracy) or 0–2000 ppm CO2
1 ppm CO2 resolution on digital display
Injection mode for small samples
Non-dispersive infrared technology
0–5 V analogue output, for both range settings
Ultra compact and portable

Options:

Battery pack for field use
LoggerPro Software
Gas Pumps and Flow Meters

Specifications	Q-S157 / Q-S151	OPEN
Operating principle: Non-dispersive infrared Gas sampling mode: Continuous flow, or sealed chamber Maximum gas flow: 650 mL min-1 Measuring range (LCD display): 0 - 1999 ppm Analogue output, high sensitivity: 0 - 500 ppm; low sensitivity: 0 - 2000 ppm Accuracy: ±1 ppm Repeatability (at stable air pressure and temp.): Better than ±1 ppm Maximum drift (per year): ±100 ppm Response time (@ 250 mL min-1; to 95% of final value): ~25 s Warm up time (@ ~22°C): ~5 min (Q-S151), ~15 min (Q-S157) Output (linear) for high / low sensitivity setting: 0-5 VDC for 0 - 500 ppm / 0 - 2000 ppm Calibration Adjustments: Zero and Span Operating Temperature Range: 0 to 50°C; Storage: -40 to 70°C Operating pressure range: ±1.5% of local mean pressure Humidity range: 5 to 95% rH, non-condensing (dry gas flow recommended) Pressure Sensitivity: +0.19% reading per mm Hg Power requirements: 12 VDC via 120 VAC/60 Hz adapter; current draw 125 mA average, 450 mA peak Dimensions: 17 x 40 x 30 cm (Q-S157), 5.5 to 9.5 x 9.5 x 17 cm (Q-S151; H x W x D) Weight: 4.7 kg (Q-S157), 1 kg (Q-S151)

References	CO2 Analyzer 0-2000 ppm	OPEN
Baerlocher, M. O., et al. (2004). Developmental progression of photosystem II electron transport and CO2 uptake in Spartina alterniflora, a facultative halophyte, in a northern salt marsh. Canadian journal of botany, 82(3), 365-375 Busi, M. V., et al. (2006). Deficiency of Arabidopsis thaliana frataxin alters activity of mitochondrial Fe–S proteins and induces oxidative stress. The Plant Journal, 48(6), 873-882 Celikel, F.G. et al. (2010) Temperature, ethylene and the postharvest performance of cut snapdragons (Antirrhinum majus): Scientia Horticulturae 125 (3): 429-433 Cen, Y.P. and D. B. Layzell. (2004) Does oxygen limit nitrogenase activity in soybean exposed to elevated CO2? Plant, Cell & Environment 27, 10: 1229-1238 Jumbo-Lucioni P., et al. (2010) Systems Genetics analysis of body weight and energy metabolism traits in Drosophila melanogaster. BMC Genomics 11: 297- 309 Kolb, S.E., et al. (2009) Effect of Charcoal Quantity on Microbial Biomass and Activity in Temperate Soils. SSSAJ 73, 4: 1173-1181 Krachler, R. F. et al. (2009) Effects of pH on aquatic biodegradation processes. Biogeosciences Discuss.: 6, 491-514 Maliszewska, J., Tegowska, E. (2012) Capsaicin as an organophosphate synergist against colorado potato beetle (Leptinotarsa decemlineata Say). Journal of Plant Protection Research 52: 28-34 McLain, J. E., & Martens, D. A. (2006). N2O production by heterotrophic N transformations in a semiarid soil. Applied Soil Ecology, 32(2), 253-263 McLain, J. E., & Martens, D. A. (2005). Nitrous oxide flux from soil amino acid mineralization. Soil Biology and Biochemistry, 37(2), 289-299 Piechowicz, B., et al. (2018) Components of the smell of beer as enticing factor for invasive slugs Arion lusitanicus non-mabille. Ecological Chemistry and Engineering 25: 133-151 Piechowicz, B., et al. (2016) The smell of beer as a factor affecting the emission of carbon dioxide by Arion lusitanicus auct. non-Mabille Ann. Anim. Sci., 16: 463-476 Rascher, U., et al. (2006). The “Kluge-Lüttge Kammer”: a preliminary evaluation of an enclosed, crassulacean acid metabolism (CAM) mesocosm that allows separation of synchronized and desynchronized contributions of plants to whole system gas exchange. Plant Biology, 8(01), 167-174. Ries, J. B., et al. (2010) A nonlinear calcification response to CO2-induced ocean acidification by the coral Oculina arbuscula. Coral Reefs 29, 3: 661-674 Sinaie S., et al. (2019) Effects of elevated CO2 and water stress on population growth of the two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae), on sweet pepper under environmentally controlled conditions. Journal of Asia-Pacific Entomology 22: 96-102 Sacksteder, C. A., & Kramer, D. M. (2000). Dark-interval relaxation kinetics (DIRK) of absorbance changes as a quantitative probe of steady-state electron transfer. Photosynthesis research, 66, 145-158. Sadeghi‐Namaghi, S,, Amiri‐Jami A, Shoor M (2019) Aphid suitability for the predatory hoverfly Episyrphus balteatus altered with elevating atmospheric CO2 and sinigrin. Entomological Science 21:12-21 Scarpeci TE, Valle EM. (2008) Rearrangement of carbon metabolism in Arabidopsis thaliana subjected to oxidative stress condition: an emergency survival strategy. Plant Growth Regul. 54: 133-142 Ziska, L. H., et al. (2003). Cities as harbingers of climate change: common ragweed, urbanization, and public health. Journal of allergy and clinical immunology, 111(2), 290-295. Ziska, L.H.,et al. (2004) Characterization of an urban-rural CO2 / temperature gradient and associated changes in initial plant productivity during secondary succession. Oecologia 139, 3: 454-458

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Injection Mode

Almost all gas analysers can be operated in an injection mode, where the small gas aliquots to be analysed are injected into a carrier gas stream with a syringe or similar device for subsequent analysis. The example shows the setup for the Q-S151 CO2 analyser. Whole air samples for injection can be collected automatically using the VSI AS-100 Air Sampler. Get in contact!

For parallel measurement of CO2 and O2 in the gas phase with a single analyser, consider the CO2 and O2 analyser.

Gas Switching Multiplexing Systems 4 or 8 channels

For applications requiring multiplexing of 4 to 8 channels, gas switching systems are available for open or stop flow modes.

For measurements of dissolved CO2, the Q-DCO2 System is available in two configurations.

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