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smartGAS Mikrosensorik GmbH
Carbon dioxide CO2 100 Vol.-%

Carbon dioxide CO2 100 Vol.-%

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 100 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 100 Vol.-% full scale, with a flow rate of 0.1 to 1.0 l/min. The mounting dimensions are 76 mm x 30 mm x 50 mm. Warm-up time is less than 2 minutes for start-up and less than 30 minutes for full specification.

Measuring Response: The digital resolution is 0.01 Vol.-%. Response times at 0.7 l/min are ≤ 9.9 s for standard and ≤ 0.7 s for fast. The detection limit is ≤ 0.2 Vol.-% for standard and ≤ 0.36 Vol.-% for fast. Repeatability is ≤ ± 0.6 Vol.-%, and linearity error is ≤ ± 0.9 Vol.-%. Long-term stability is ≤ ± 1.0 Vol.-% for zero and ≤ ± 1.5 Vol.-% for span over 1000 hours.

Environmental Influence: Temperature dependence is ≤ ± 0.1 Vol.-% per °C for zero and ≤ ± 0.2 Vol.-% per °C for span. Pressure dependence is + 0.156% of actual reading per hPa. Flow rate dependence is ≤ ± 0.1 Vol.-% per 0.1 l/min. The gas dew point requirement is < +5°C, with a stable, particle-free, and clean sample gas.

Electrical Parameters: The supply voltage ranges from 3.3 V to 6.0 VDC, with a peak supply current of < 400 mA at 3.3 V and < 240 mA at 5.0 V. Inrush current is < 600 mA, and average power consumption is < 800 mW. The digital output signal is Modbus ASCII/RTU via UART, with autobaud and autoframe capabilities. Calibration is performed via software for zero and span.

Climatic Conditions: The operating temperature range is 0 to +50 °C, with a storage temperature range of -20 to +60 °C. The sensor operates within an air pressure range of 800 to 1150 hPa and ambient humidity of 0 to 95% relative humidity (non-condensing).

Additional Information: The document notes that specifications are subject to change without notice and advises consulting smartGAS for parts with different temperature and measurement ranges. Recalibration is recommended at first initiation and periodically thereafter.

Catalog excerpts

FLOWEVO for Biogas application Infrared gas Sensor Carbon dioxide CO2 100 Vol.-% smartGAS item number: F3-214108-05000 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 F3-214108-05000 I Biogas application General features 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...

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Carbon dioxide CO2 100 Vol.-%

Carbon dioxide CO2 100 Vol.-%

Catalog excerpts

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