Collection: IAQ (Indoor Air Quality)
Indoor Air Quality (IAQ) affects health and productivity, with pollutants like mold and VOCs causing issues, while good ventilation improves well-being, and sensors help manage these conditions by signaling systems to adjust for cleaner air, reducing headaches and fatigue. E-Controls offers a number of options for IAQ sensing from manufacturers Greystone, Siemens and Senva.
-
Siemens QPA2062D Room Sensor CO2, Temperature, Relative Humidity with Display, 0-10V
Regular price $665.33 USDRegular priceSale price $665.33 USD -
Siemens QPA2062 Room Sensor CO2, Temperature, Relative Humidity, 0 to 10V
Regular price $613.21 USDRegular priceSale price $613.21 USD -
Siemens QPA2060D Room Sensor CO2 and Temperature with Display, 0 to 10V
Regular price $503.69 USDRegular priceSale price $503.69 USD -
Siemens QPA2060 Room Sensor CO2 and Temperature, 0 to 10V
Regular price $455.70 USDRegular priceSale price $455.70 USD -
Siemens QPA2002D Room sensor CO2 and VOC with Display, 0 to 10V
Regular price $535.10 USDRegular priceSale price $535.10 USD -
Siemens QPA2002 Room Sensor CO2 and VOC, 0 to 10V
Regular price $465.46 USDRegular priceSale price $465.46 USD -
Siemens QPA2000 Room Sensor CO2, 0 to 10V, Room Sensor CO2, 0 to 10V
Regular price $344.95 USDRegular priceSale price $344.95 USD -
Siemens QPM2162 IAQ Duct Sensor CO2, Temperature, Relative Humidity, 0 to 10V
Regular price $682.20 USDRegular priceSale price $682.20 USD -
Siemens QPM2160D IAQ Duct CO2, Temperature Sensor, 0-10V, Display
Regular price $671.26 USDRegular priceSale price $671.26 USD -
Siemens QPM2160 IAQ Duct Sensor CO2 and Temperature, 0 to 10V
Regular price $599.15 USDRegular priceSale price $599.15 USD -
Siemens QPM2102D IAQ Duct Sensor CO2 and VOC with Display, 0 to 10V
Regular price $621.43 USDRegular priceSale price $621.43 USD -
Siemens QPM2102 IAQ Duct Sensor CO2 and VOC, 0 to 10V
Regular price $528.43 USDRegular priceSale price $528.43 USD -
Siemens QPM2100 IAQ Duct Sensor CO2, 0 to 10V
Regular price $463.00 USDRegular priceSale price $463.00 USD -
Siemens QPA2284.FWSC, Siemens QPA2284.FWSC Room CO2, Humidity and Temperature Sensor, Full Feature, Siemens Logo, Tool Port, For Siemens TEC Controllers
Regular price $662.30 USDRegular priceSale price $662.30 USD -
Siemens QPA2284.FWNC, Siemens QPA2284.FWNC Room CO2, Humidity and Temperature Sensor, Full Feature, No Logo, Tool Port, For Siemens TEC Controllers
Regular price $662.30 USDRegular priceSale price $662.30 USD -
Siemens QPA2282.EWSC, Siemens QPA2282.EWSC Room CO2, Temperature Sensor, No HMI, Siemens Logo, Tool Port, For Siemens TEC Controllers
Regular price $454.16 USDRegular priceSale price $454.16 USD -
Greystone CERMC59 Room Carbon Dioxide Sensor, 0-2000 ppm, 10,000 Ohm NTC Thermistor, ±0.2 C
Regular price $204.80 USDRegular priceSale price $204.80 USD -
Greystone CERMC24 Room Carbon Dioxide Sensor, 0-2000 ppm, 10,000 Ohm, type 2, NTC Thermistor, ±0.2 CType 59 - 10,000 ohm NTC Thermistor ±0.2°C
Regular price $200.51 USDRegular priceSale price $200.51 USD -
Greystone CERMC20 Room Carbon Dioxide Sensor, 0-2000 ppm, 20,000 Ohm, NTC Thermistor, ±0.2 CType 24 - 10,000 ohm Type 2 NTC Thermistor ±0.2°C
Regular price $200.51 USDRegular priceSale price $200.51 USD -
Greystone CERMC14 Room Carbon Dioxide Sensor, 0-2000 ppm, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistorType 20 - 20,000 ohm NTC Thermistor ±0.2°C
Regular price $204.80 USDRegular priceSale price $204.80 USD -
Greystone CERMC13 Room Carbon Dioxide Sensor, 0-2000 ppm, 1000 Ohm Nickel, Class B, DIN 43760Type 14 - 10,000 ohm Thermistor ±0.2°C c/w 11K Shunt Resistor
Regular price $204.80 USDRegular priceSale price $204.80 USD -
Greystone CERMC12 Room Carbon Dioxide Sensor, 0-2000 ppm, 1000 Ohm Platinum, IEC 751, 385 Alpha, thin filmType 13 - 1000 ohm Nickel RTD ±0.3°C
Regular price $204.80 USDRegular priceSale price $204.80 USD -
Greystone CERMC08 Room Carbon Dioxide Sensor, 0-2000 ppm, 2.252K Ohm, NTC Thermistor, ±0.2 CType 12 - Pt1000 - 1000 ohm Platinum RTD ±0.3°C
Regular price $204.80 USDRegular priceSale price $204.80 USD -
Greystone CERMC07 Room Carbon Dioxide Sensor, 0-2000 ppm, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 CType 8 - 2.252K ohm NTC Thermistor ±0.2°C
Regular price $200.51 USDRegular priceSale price $200.51 USD -
Greystone CERMC06 Room Carbon Dioxide Sensor, 0-2000 ppm, 3000 Ohm, NTC Thermistor, ±0.2 CType 7 - 10,000 ohm Type 3 NTC Thermistor ±0.2°C
Regular price $200.51 USDRegular priceSale price $200.51 USD -
Greystone CERMC05 Room Carbon Dioxide Sensor, 0-2000 ppm, 1801 Ohm, NTC Thermistor, ±0.2 CType 6 - 3000 ohm NTC Thermistor ±0.2°C
Regular price $200.51 USDRegular priceSale price $200.51 USD -
Greystone CERMC02 Room Carbon Dioxide Sensor, 0-2000 ppm, 100 Ohm Plat. IEC 751, 385 Alpha, thin filmType 5 - 1800 ohm NTC Thermistor ±0.2°C
Regular price $204.80 USDRegular priceSale price $204.80 USD -
Greystone CERMC00 Room Carbon Dioxide Sensor, 0-2000 ppm, No temperature sensorType 2 - Pt100 - 100 ohm Platinum RTD ±0.3°C
Regular price $192.12 USDRegular priceSale price $192.12 USD -
Greystone CD2RMCVXXXXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, No temperature sensor, No relay, No override, No setpoint
Regular price $318.97 USDRegular priceSale price $318.97 USD -
Greystone CD2RMCVXXRXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, No temperature sensor, Adjustable relay, No override, No setpoint
Regular price $334.30 USDRegular priceSale price $334.30 USD -
Greystone CD2RMCV24XXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 2, NTC Thermistor, ±0.2 C, No relay, No override, No setpoint
Regular price $327.38 USDRegular priceSale price $327.38 USD -
Greystone CD2RMCV24XXP00 Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 2, NTC Thermistor, ±0.2 C, No relay, No override, 0 - 10,000 ohms
Regular price $332.51 USDRegular priceSale price $332.51 USD -
Greystone CD2RMCV24XSXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 2, NTC Thermistor, ±0.2 C, No relay, Override switch, No setpoint
Regular price $332.51 USDRegular priceSale price $332.51 USD -
Greystone CD2RMCV24RXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 2, NTC Thermistor, ±0.2 C, Adjustable relay, No override, No setpoint
Regular price $342.72 USDRegular priceSale price $342.72 USD -
Greystone CD2RMCV20XXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 20,000 Ohm, NTC Thermistor, ±0.2 C, No relay, No override, No setpoint
Regular price $327.38 USDRegular priceSale price $327.38 USD -
Greystone CD2RMCV20XXP00 Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 20,000 Ohm, NTC Thermistor, ±0.2 C, No relay, No override, 0 - 10,000 ohms
Regular price $332.51 USDRegular priceSale price $332.51 USD -
Greystone CD2RMCV20XSXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 20,000 Ohm, NTC Thermistor, ±0.2 C, No relay, Override switch, No setpoint
Regular price $332.51 USDRegular priceSale price $332.51 USD -
Greystone CD2RMCV20RXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 20,000 Ohm, NTC Thermistor, ±0.2 C, Adjustable relay, No override, No setpoint
Regular price $342.72 USDRegular priceSale price $342.72 USD -
Greystone CD2RMCV14XXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistor, No relay, No override, No setpoint
Regular price $331.68 USDRegular priceSale price $331.68 USD -
Greystone CD2RMCV14XXP00 Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistor, No relay, No override, 0 - 10,000 ohms
Regular price $336.74 USDRegular priceSale price $336.74 USD -
Greystone CD2RMCV14XSXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistor, No relay, Override switch, No setpoint
Regular price $336.74 USDRegular priceSale price $336.74 USD -
Greystone CD2RMCV14RXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 10,000 Ohm, type 3, NTC Thermistor, ±0.2 C c/w 11K shunt resistor, Adjustable relay, No override, No setpoint
Regular price $347.01 USDRegular priceSale price $347.01 USD -
Greystone CD2RMCV13XXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Nickel, Class B, DIN 43760, No relay, No override, No setpoint
Regular price $331.68 USDRegular priceSale price $331.68 USD -
Greystone CD2RMCV13XXP00 Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Nickel, Class B, DIN 43760, No relay, No override, 0 - 10,000 ohms
Regular price $336.74 USDRegular priceSale price $336.74 USD -
Greystone CD2RMCV13XSXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Nickel, Class B, DIN 43760, No relay, Override switch, No setpoint
Regular price $336.74 USDRegular priceSale price $336.74 USD -
Greystone CD2RMCV13RXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Nickel, Class B, DIN 43760, Adjustable relay, No override, No setpoint
Regular price $347.01 USDRegular priceSale price $347.01 USD -
Greystone CD2RMCV12XXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Platinum, IEC 751, 385 Alpha, thin film, No relay, No override, No setpoint
Regular price $331.68 USDRegular priceSale price $331.68 USD -
Greystone CD2RMCV12XXP00 Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Platinum, IEC 751, 385 Alpha, thin film, No relay, No override, 0 - 10,000 ohms
Regular price $336.74 USDRegular priceSale price $336.74 USD -
Greystone CD2RMCV12XSXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Platinum, IEC 751, 385 Alpha, thin film, No relay, Override switch, No setpoint
Regular price $336.74 USDRegular priceSale price $336.74 USD -
Greystone CD2RMCV12RXXXX Room CO2 Sensor, 0-2,000 ppm, Viewable LCD, 1000 Ohm Platinum, IEC 751, 385 Alpha, thin film, Adjustable relay, No override, No setpoint
Regular price $347.01 USDRegular priceSale price $347.01 USD