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smartGAS Mikrosensorik GmbH
Carbon dioxide CO2 50 Vol.-% biogas

Carbon dioxide CO2 50 Vol.-% biogas

Product catalog summary

Product Overview: The FLOWEVO infrared gas sensor by smartGAS Mikrosensorik GmbH is designed for biogas applications, specifically for measuring carbon dioxide (CO2) concentrations up to 50 Vol.-%. It features a pre-calibrated, compact design with a 3/5 mm gas line connector and operates on a 3.3–6 V DC supply voltage. The sensor supports Modbus ASCII or RTU communication and indicates status via an LED.

Specifications: The sensor uses a Non-Dispersive Infra-Red (NDIR) dual wavelength measurement principle. It has a measurement range of 0 to 50 Vol.-% FS, with a flow rate of 0.1 to 1.0 l/min. The device dimensions are 76 mm x 30 mm x 50 mm, and it requires a warm-up time of less than 2 minutes for start-up and less than 30 minutes for full specification.

Performance: The sensor offers a digital resolution of 0.01 Vol.-% and a response time of ≤ 9.9 s for standard and ≤ 0.7 s for fast settings at 0.7 l/min. It has a detection limit of ≤ 0.2 Vol.-% and repeatability of ≤ ± 0.4 Vol.-%. Linearity error is ≤ ± 0.6 Vol.-%, with long-term stability of ≤ ± 0.5 Vol.-% for zero and ≤ ± 1.0 Vol.-% for span over 1000 hours.

Environmental and Electrical Parameters: The sensor operates within a temperature range of 0 to +50 °C and can be stored between -20 to +60 °C. It functions under air pressure conditions of 800 to 1150 hPa and ambient humidity of 0 to 95% (non-condensing). The supply current peaks at < 400 mA at 3.3 V and < 240 mA at 5.0 V, with an average power consumption of < 800 mW.

Installation and Calibration: The sensor requires mechanical installation and gas pre-treatment. Calibration for zero and span is performed via software. The device is sensitive to temperature, pressure, and flow rate variations, and cross-sensitivity to other gases should be consulted with the factory.

Additional Information: The document emphasizes the importance of recalibration at first initiation and recommends recurring recalibration cycles. It also notes that specifications are subject to change and advises consulting smartGAS for parts with different temperature and measurement ranges.

Catalog excerpts

FLOWEVO for Biogas application Infrared gas Sensor Carbon dioxide CO2 50 Vol.-% smartGAS item number: F3-214507-05000 Pre calibrated Compact Design 3/5 mm gas line connector 3.3–6 V DC supply voltage Modbus ASCII or RTU Status indicated by LED Low drift Application examples Gas analysis Biogas application Process control Available equipment Gas cooler Particle filter Gas pump Calibration Software Mounting equipment smartGAS Mikrosensorik GmbH I Huenderstr. 1 I 74080 Heilbronn I Germany T +49 7131 797553-0 I F +49 7131 797553-10 I [email protected] I www.smartgas.eu Available design in support Mechanical Installation Data communication Gas pre-treatment

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FLOWEVO I Carbon dioxide CO2 I F3-214507-05000 I Biogas application Measurement principle: Non-Dispersive Infra-Red (NDIR), dual wavelength Measurement range: by flow (nearly atmospheric pressure) Flow rate: Mounting dimensions: Warm-up time: < 2 minutes (start-up time) < 30 minutes (full specification) Measuring response* Digital resolution: Linearity error (straight line deviation): Long term stability (zero): Long term stability (span): Influence of T, P, flow rate, other* Temp. dependence (zero): Temp. dependence (span): Pressure dependence: Flow rate dependence: Cross sensitivity (zero)...

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Carbon dioxide CO2 50 Vol.-% biogas

Carbon dioxide CO2 50 Vol.-% biogas

Catalog excerpts

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