Duct/Space CO2 sensors

used for CO2 measurement. The simple structure and reference measurement capabilities make this single beam dual wavelength NDIR sensor extremely stable and reliable. The temperature and flow dependence is negligible and the accuracy is even not affected by dust, water vapor or most chemicals. Flexible output options such as 4-20mA, 0-10V and LonWork interface make it suitable for all HVAC commercial applications.   Features Nondispensive Infra Red technology (NDIR) anlogue output 4-20mA or 0-10V long term stability 24V ac/dc supply negligible temperature dependenc Spec. CO2 measurement range:0 - 2000ppm accuracy:+/-30ppm+2%reading@25ºC non-linearity:+/-1%FS temperature dependence:+/-0.15%FS/ºC long term stability:<5%FS/5year power supply:24Vac/Vdc+20% comsumption:<2.5Watts recommended load: I type:max 500 ohm V type:min 1K ohm operating temperature:-5ºC - +45ºC humidity:0-85%RH noncondensing Order Code Order Code Description Weight GSCO21 Room type CO2 sensors 100g GSCO22 Duct type CO2 sensors 140g   BACK

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