Collection: IAQ (Indoor Air Quality)
Indoor air quality (IAQ) sensors help monitor environmental conditions that affect comfort, health, and productivity. Track indoor air quality indicators such as VOCs and ventilation conditions so building systems can respond with cleaner, healthier air. E-Controls offers IAQ sensing solutions from Greystone, Siemens, and Senva for commercial applications.
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Greystone CDD3A100TR Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2 & Tempreature, Relay Output
Regular price $436.38 USDRegular priceSale price $436.38 USD -
Greystone CDD3A100TPS Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2 & Tempreature, Setpoint control , 2 button up/down, Exposed push button momentary switch - N.O.
Regular price $431.33 USDRegular priceSale price $431.33 USD -
Greystone CDD3A100TPR Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2 & Tempreature, Setpoint control , 2 button up/down, Relay Output
Regular price $441.52 USDRegular priceSale price $441.52 USD -
Greystone CDD3A100TP Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2 & Tempreature, Setpoint control , 2 button up/down
Regular price $426.19 USDRegular priceSale price $426.19 USD -
Greystone CDD3A100T Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2 & Tempreature
Regular price $421.12 USDRegular priceSale price $421.12 USD -
Greystone CDD3A100RHS Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2, Humidity & Temperature, Exposed push button momentary switch - N.O.
Regular price $579.23 USDRegular priceSale price $579.23 USD -
Greystone CDD3A100RHRS Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2, Humidity & Temperature, Relay Output, Exposed push button momentary switch - N.O.
Regular price $594.57 USDRegular priceSale price $594.57 USD -
Greystone CDD3A100RHR Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2, Humidity & Temperature, Relay Output
Regular price $589.51 USDRegular priceSale price $589.51 USD -
Greystone CDD3A100RHPS Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2, Humidity & Temperature, Setpoint control , 2 button up/down, Exposed push button momentary switch - N.O.
Regular price $584.41 USDRegular priceSale price $584.41 USD -
Greystone CDD3A100RHPR Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2, Humidity & Temperature, Setpoint control , 2 button up/down, Relay Output
Regular price $594.57 USDRegular priceSale price $594.57 USD -
Greystone CDD3A100RHP Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2, Humidity & Temperature, Setpoint control , 2 button up/down
Regular price $579.23 USDRegular priceSale price $579.23 USD -
Greystone CDD3A100RH Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2, Humidity & Temperature
Regular price $574.17 USDRegular priceSale price $574.17 USD -
Greystone CDD3A100 Room Carbon Dioxide Sensor w/ BACnet Communications, Concealed LCD, CO2 Only
Regular price $370.04 USDRegular priceSale price $370.04 USD -
Greystone CDD4B101T8S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 2.252K Ohm thermistor and override switch
Regular price $526.37 USDRegular priceSale price $526.37 USD -
Greystone CDD4B101T8R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 2.252K Ohm thermistor and relay
Regular price $536.49 USDRegular priceSale price $536.49 USD -
Greystone CDD4B101T8 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and 2.252K Ohm thermistor
Regular price $521.21 USDRegular priceSale price $521.21 USD -
Greystone CDD4B101T7S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 10,000 ohm type 3 thermistor and override switch
Regular price $523.89 USDRegular priceSale price $523.89 USD -
Greystone CDD4B101T7R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 10,000 ohm type 3 thermistor and relay
Regular price $534.09 USDRegular priceSale price $534.09 USD -
Greystone CDD4B101T7 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and 10,000 ohm type 3 thermistor
Regular price $518.75 USDRegular priceSale price $518.75 USD -
Greystone CDD4B101T6S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 3000 ohm thermistor and override switch
Regular price $522.08 USDRegular priceSale price $522.08 USD -
Greystone CDD4B101T6R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 3000 ohm thermistor and relay
Regular price $532.25 USDRegular priceSale price $532.25 USD -
Greystone CDD4B101T6 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and 3000 ohm thermistor
Regular price $516.95 USDRegular priceSale price $516.95 USD -
Greystone CDD4B101T5S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 1800 ohm thermistor and override switch
Regular price $522.08 USDRegular priceSale price $522.08 USD -
Greystone CDD4B101T5R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 1800 ohm thermistor and relay
Regular price $532.25 USDRegular priceSale price $532.25 USD -
Greystone CDD4B101T5 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and 1800 ohm thermistor
Regular price $516.95 USDRegular priceSale price $516.95 USD -
Greystone CDD4B101T2S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, PT100 ohm RTD and override switch
Regular price $526.37 USDRegular priceSale price $526.37 USD -
Greystone CDD4B101T2R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, PT100 ohm RTD and relay
Regular price $536.49 USDRegular priceSale price $536.49 USD -
Greystone CDD4B101T24S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 10,000 ohm type 2 thermistor and override switch
Regular price $522.08 USDRegular priceSale price $522.08 USD -
Greystone CDD4B101T24R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 10,000 ohm type 2 thermistor and relay
Regular price $532.25 USDRegular priceSale price $532.25 USD -
Greystone CDD4B101T24 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and 10,000 ohm type 2 thermistor
Regular price $516.95 USDRegular priceSale price $516.95 USD -
Greystone CDD4B101T20S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 20,000 ohm thermistor and override switch
Regular price $522.08 USDRegular priceSale price $522.08 USD -
Greystone CDD4B101T20R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 20,000 ohm thermistor and relay
Regular price $532.25 USDRegular priceSale price $532.25 USD -
Greystone CDD4B101T20 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and 20,000 ohm thermistor
Regular price $516.95 USDRegular priceSale price $516.95 USD -
Greystone CDD4B101T2 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and PT100 ohm RTD
Regular price $521.21 USDRegular priceSale price $521.21 USD -
Greystone CDD4B101T14S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 10K ohm Thermistor+11K shunt resistor and override switch
Regular price $526.37 USDRegular priceSale price $526.37 USD -
Greystone CDD4B101T14R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, 10K ohm Thermistor+11K shunt resistor and relay
Regular price $536.49 USDRegular priceSale price $536.49 USD -
Greystone CDD4B101T14 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and 10K ohm Thermistor+11K shunt resistor
Regular price $521.21 USDRegular priceSale price $521.21 USD -
Greystone CDD4B101T13S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, PT1000 Nickel RTD and override switch
Regular price $526.37 USDRegular priceSale price $526.37 USD -
Greystone CDD4B101T13R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, PT1000 Nickel RTD and relay
Regular price $536.49 USDRegular priceSale price $536.49 USD -
Greystone CDD4B101T13 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and PT1000 Nickel RTD
Regular price $521.21 USDRegular priceSale price $521.21 USD -
Greystone CDD4B101T12S Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, PT1000 ohm RTD and override switch
Regular price $528.19 USDRegular priceSale price $528.19 USD -
Greystone CDD4B101T12R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display, PT1000 ohm RTD and relay
Regular price $538.35 USDRegular priceSale price $538.35 USD -
Greystone CDD4B101T12 Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and PT1000 ohm RTD
Regular price $523.01 USDRegular priceSale price $523.01 USD -
Greystone CDD4B101R Room, CO2, NDIR dual beam, c/w analog outputs, exposed LCD display and relay
Regular price $525.75 USDRegular priceSale price $525.75 USD -
Greystone CDD4B101 Room, CO2, NDIR dual beam, c/w analog outputs, and exposed LCD display
Regular price $510.41 USDRegular priceSale price $510.41 USD -
Greystone CDD4B100T8S Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, 2.252K Ohm thermistor and override switch
Regular price $513.63 USDRegular priceSale price $513.63 USD -
Greystone CDD4B100T8R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, 2.252K Ohm thermistor and relay
Regular price $523.78 USDRegular priceSale price $523.78 USD -
Greystone CDD4B100T8 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and 2.252K Ohm thermistor
Regular price $508.55 USDRegular priceSale price $508.55 USD -
Greystone CDD4B100T7S Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, 10,000 ohm type 3 thermistor and override switch
Regular price $511.14 USDRegular priceSale price $511.14 USD -
Greystone CDD4B100T7R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, 10,000 ohm type 3 thermistor and relay
Regular price $521.30 USDRegular priceSale price $521.30 USD