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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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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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- | 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 + 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
SGX SENSORTECH
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INIR7 | Module | NDIR | Refrigerants (R290) | 0.02...2,1% | ±6% or ±600pmm *1 | 50 ppm | Modbus RS-485 | Alarm ON: V_supply, Alarm OFF: high impedance | 0,42%, SW configurable | 24 VDC Typ. 4,5...30 VDC | 15 mA @ 24 V mA | Connector | -40...+75°C | Module 67 x 76 x 20,5 mm | - | UL 60335-2-40 / IEC 60079-29-1 / IEC60335-2-40, IP65 | *1: Whichever error is larger, basic error |
