Gas Sensors by Campbell Scientific, Inc.

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	Analyzers Gas Anemometers Data Acquisition Systems Data Collection Systems Data Loggers Encoders Shaft Hygrometers Probes Current Humidity pH Temperature Thermocouple Pyranometers Radiometers Resistance Temperature Detectors (RTDs) Sensors Air Velocity Conductivity Current Dissolved Oxygen Distance Electric Field Flow Gas GPS Heat Flux Humidity Moisture pH Position Precipitation Pressure Quantum Turbidity Water Wind Temperature Sensors Air RTD Soil Surface Thermistor Thermocouple Water Thermocouples Type E Transducers Pressure

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Campbell Scientific, Inc.

Logan, UT

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		TGA100A Trace Gas Analyzer System The TGA100A Trace Gas Analyzer measures trace gas concentration in an air sample using tunable diode laser absorption spectroscopy (TDLAS). This technique provides high sensitivity, speed, and selectivity. The TGA100A is a rugged, portable instrument designed for use in the field. Common applications include gradient or eddy covariance flux measurements of methane or nitrous oxide and isotope ratio measurements of carbon dioxide or water vapor. The TGA100A concentration measurements can be recorded with a Campbell Scientific datalogger, output as analog voltages, or saved to a PC's hard disk. Features: • Measures gas concentration using tunable diode laser absorption spectroscopy (TDLAS) • Designed for field use • Ideal for measuring fluxes of trace gases using gradient or eddy covariance techniques • Measures carbon isotope ratios and oxygen isotope ratios in CO2 • Measures oxygen isotope ratios and hydrogen isotope ratios (deuterium) in water vapor Request Quote View Literature

		CS7500 The CS7500 is an open-path, high-speed, high-precision, nondispersive infrared gas analyzer (IRGA) that accurately measures the in-situ densities of carbon dioxide and water vapor in turbulent air structures. In an eddy-covariance application, the CS7500 is used in conjunction with a CSAT3 Sonic Anemometer to determine CO2 and H2O fluxes. The primary components of the CS7500 are the sensor head and electronics enclosure. Request Quote