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Manufacturer
SENSIRION
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SGP4x | Sensor | MOS | Volatile Organic Compound (VOC), NOx | 0...1000 ppm ethanol equiv, 0...10 ppm NO2 equiv | - | - | I2C | - | - | 1,7...3,6V | 3,2mA (Typ) @ 3,3V mA | SMD | -10...+50°C | 2,44 x 2,44 x 0,85 mm | - | VOC Index 1...500, NOx Index 1...500 | MCU that runs Sensirion VOC algorithm is required. |
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Manufacturer
SENSIRION
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- | Module | NDIR | Carbon dioxide (CO2) | 0...40 000ppm at I2C, UART, 0...5 00ppm at PWM | ±(30 ppm + 3%) at 400...10 000ppm | - | UART/I2C, PWM | - | - | 3,3...5,5V | 19 (Avg. Typ.) mA | SMD | 0...+50°C | 35 x 23 x 7 mm | - | RH and T measurement | CO2 output range: 0...40 000ppm I2C, UART, 0...5 000ppm PWM |
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Manufacturer
SENSIRION
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SCD4x | Sensor | NDIR | Carbon dioxide (CO2) | 0...40 000ppm | ±(50 ppm + 5 %) at 400...2 000ppm | - | I2C | - | - | 2,4...5,5V | 15mA, 3,2mA *1 (Typ., Avg.) @ 3,3V mA | SMD | -10...+60°C | 10,1 x 10,1 x 6,3 mm | 1 | RH and T measurement, low power mode | *1: low power mode |
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Manufacturer
SENSIRION
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SCD4x | Sensor | NDIR | Carbon dioxide (CO2) | 0...40 000ppm | ±(50 ppm + 3 %) at 400...2 000ppm | - | I2C | - | - | 2,4...5,5V | 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA | SMD | -10...+60°C | 10,1 x 10,1 x 6,3 mm | 1 | RH and T meas., low power mode, single shot mode | *1: low power mode, *2: sinngle shot mode |
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Manufacturer
SENSIRION
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SCD4x | Sensor | NDIR | Carbon dioxide (CO2) | 0...40 000ppm | ±(30 ppm + 3 %) at 400...5 000ppm | - | I2C | - | - | 2,4...5,5V | 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA mA | SMD | -10...+60°C | 10,1 x 10,1 x 6,3 mm | 1 | RH and T meas., low power mode, single shot mode | *1: low power mode, *2: sinngle shot mode |
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Manufacturer
SENSIRION
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- | Sensor | Electrochemical | Formaldehyde (H2CO) | 0...2 000 ppb | ±20 ppb or ±20% m.v @ 0...200 ppb *1 | - | I2C | - | - | 1,62...3,6V | 0,08 (Avg. Typ.) mA | SMD | 0...+50°C | 13 x 10 x 2,4 mm | 1 | - | *1: whichever is larger |
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Manufacturer
SENSIRION
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SGD4x | Module | Thermal Conductivity | R-32 and R-454B in Air | - | ±2.5 %LFL | - | RS-485/MODBUS | NO contact x2 | 11% LFL (R32), 12% LFL (R-454B) | 24 VDC ±10%, 18...30 VAC RMS | 70 mA Typ. @ DC, 120 mA RMS Typ. @ AC mA | 8-pin sealable connector, mating part TE 794821-1 | -40...+85°C | 90 x 55 x 24 mm | - | Refrigerant sensor: UL 60335-2-40, refrigerant detection: UL 60335-2-89 | LFL: lower flammability limit |
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Manufacturer
SENSIRION
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SGD4x | Module | Thermal Conductivity | R-454A, R-454C and R-455A in Air | - | ±2.5 %LFL | - | RS-485/MODBUS | NO contact x2 | 14% LFL (R-454A, C), 10% LFL (R-455A) | 24 VDC ±10%, 18...30 VAC RMS | 70 mA Typ. @ DC, 120 mA RMS Typ. @ AC mA | 8-pin sealable connector, mating part TE 794821-1 | -40...+85°C | 90 x 55 x 24 mm | - | Refrigerant sensor: UL 60335-2-40, refrigerant detection: UL 60335-2-89 | LFL: lower flammability limit |
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Manufacturer
SENSIRION
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SGP4x | Sensor | MOS | Volatile organic compound (VOC) | 0...1000 ppm ethanol equiv | - | 870 at 5-10ppm | I2C | - | - | 1,7...3,6V | 2,6mA (Typ) @ 3,3V mA | Connector | -10...+50°C | 2,44 x 2,44 x 0,85 mm | 1 | VOC Index 1...500 | MCU that runs Sensirion VOC algorithm is required. |
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Manufacturer
SENSIRION
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STC | Sensor | Thermal Conductivity | CO2 in N2 and CO2 in air | 0...40%, 0...100% | ± (0,2% + 0,02% * ΔC + 0,02% * ΔT + 0,01% * ΔRH + 0,001 * ΔP) | 16 bit / 30,5 ppm | I2C | - | - | 2,7...5,5V | 3 (Typ) mA | SMD | -20...+85°C | 3,5 x 3 x 1 mm | 1 | - | - |
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Manufacturer
SENSIRION
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STC | Sensor | Thermal Conductivity | H2 in air | 0...40% | - | 16 bit | I2C | - | - | 3...5,5V | 0,073 (Typ, Avg) mA | SMD | -40...+105°C | 3,5 x 3 x 1 mm | - | - | - |
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Manufacturer
SENSIRION
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- | Thermal Conductivity | Thermal Conductivity | CO2 in N2 and CO2 in air | 380...32 000 ppm | ±(100ppm+10% MV) @ 400...5 000 ppm | 1 ppm (Typ.) | I2C | - | - | 2,7...5,5 V | 0,95 mA (Typ., continuous meas. mode) mA | SMD | 10...40°C | 4 x 3 x 1,2 mm | 1 | Automatic Self-Calibration | Requires SHT4x for RH&T compensation |
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Manufacturer
SENSIRION
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SCD4x | Sensor | NDIR | Carbon dioxide (CO2) | 0...40 000ppm | ±(50 ppm + 5 %) at 400...2 000ppm | - | I2C | - | - | 2,4...5,5V | 15mA, 3,2mA *1 (Typ., Avg.) @ 3,3V mA | SMD | -10...+60°C | 10,1 x 10,1 x 6,3 mm | 1 | RH and T measurement, low power mode | *1: low power mode |
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Manufacturer
SENSIRION
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SCD4x | Sensor | NDIR | Carbon dioxide (CO2) | 0...40 000ppm | ±(50 ppm + 3 %) at 400...2 000ppm | - | I2C | - | - | 2,4...5,5V | 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA | SMD | -10...+60°C | 10,1 x 10,1 x 6,3 mm | 1 | RH and T meas., low power mode, single shot mode | *1: low power mode, *2: single shot mode |
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Manufacturer
SENSIRION
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SCD5x | Sensor | NDIR | Carbon dioxide (CO2) | 400...10 000ppm | ±(30 ppm + 3 %) at 400...10 000ppm | - | I2C | - | - | 3,0...5,5V | 1 mA | SMD | -20...+60°C | - | 1 | RH and T meas. | - |
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Manufacturer
SENSIRION
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- | Sensor | Electrochemical | Formaldehyde (H2CO) | 0...2 000 ppb | ±20 ppb or ±20% m.v @ 0...200 ppb *1 | - | I2C | - | - | 1,62...3,6V | 0,08 (Avg. Typ.) mA | SMD | 0...+50°C | 13 x 10 x 2,4 mm | 1 | - | *1: whichever is larger |
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Manufacturer
SENSIRION
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SGD4x | Module | Thermal Conductivity | R290 in Air/N2 | - | - | - | RS-485/MODBUS | - | - | 24 VDC | - mA | 8-pin sealable connector | -40...+85°C | 90 x 55 x 24 mm | - | IEC 60730-1, IEC 60335-1 and IEC 60335-2-40 compliant | - |
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Manufacturer
SENSIRION
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STC | Sensor | Thermal Conductivity | CO2 in N2 and CO2 in air | 0...40%, 0...100% | ± (0,2% + 0,02% * ΔC + 0,02% * ΔT + 0,01% * ΔRH + 0,001 * ΔP) | 16 bit / 30,5 ppm | I2C | - | - | 2,7...5,5V | 3 (Typ) mA | SMD | -20...+85°C | 3,5 x 3 x 1 mm | MSL 1 | - | - |
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Manufacturer
SENSIRION
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- | Module | Electrochemical | Formaldehyde (H2CO) | 0...1000ppb | ±20% | - | UART/I2C | - | - | 3,15...5,5V | 1 mA | Connector | 0...+40°C | 46 x 24 x 5,5 mm | MSL 1 | Temperature and RH measurement | - |
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Manufacturer
SENSIRION
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SGP | Sensor | MOS | Volatile organic compound (VOC) | VOC: 0...60ppm | ±15% | - | I2C | - | - | 1,8V | 0,065 mA | SMD | +5...+55°C | 2,45 x 2,45 x 0,9 mm | MSL 1 | - | - |
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Manufacturer
SENSIRION
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STC | Sensor | Thermal Conductivity | CO2 in N2 and CO2 in air | 0...25%, 0...100% | ± (0,5% + 3% MV) @ 0...25% CO2, ± (1% + 3% MV) @ 0...100% CO2, | 16 bit | I2C | - | - | 2,7...5,5V | 3 (Typ) mA | SMD | -20...+85°C | 3,5 x 3 x 1 mm | MSL 1 | - | Calibrated only for the gas mixture: CO2 + air, CO2 + N2 |
