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      详细介绍

      The EE894 module is ideal for demand controlled ventilation and building automation. It incorporates the E+E dual wavelength NDIR CO2 sensor,which compensates for ageing effects, is highly insensitive to pollution and offers outstanding long term stability. Beside CO2, the module measures also relative humidity (RH), temperature (T) and ambient pressure (p).

      A multiple point CO2 and T factory adjustment procedure leads to excellent CO2 measurement accuracy over the entire T working range. The pressure compensation minimizes the impact of altitude and ambient pressure variations onto the CO2 measured data.

      The measured data, with a range of up to 1% CO2, is available on the I2C or the E2 digital interface. The EE894 is available in two sizes and with electrical connection via contact pins and pads, which facilitate the design-in.

      An optional kit for the E2 interface facilitates easy configuration of the module and the adjustment of the CO2, RH, T and pmeasurement. The CO2 measurement interval can be set according to the application requirements; by this the average current consumption can be reduced to 420 μA, ideal for battery-operated devices.

      Typical Applications:

      Demand controlled ventilation

      Building automation

      Data loggers and hand helds

      Wireless transmitters

      Key features:

      Autocalibration

      Outstanding long-term stability

      Temperature and pressure compensated

      Low power consumption

      Small size

      EE894二氧化碳传感器是按需控制通风和楼宇自动化的理想选择。它采用了E+E双波长NDIR CO2传感器,可补偿老化效应,对污染高度不敏感,并提供出色的长期稳定性。除了二氧化碳,该??榛共饬肯喽允龋≧H)、温度(T)和环境压力(p)。

      多点CO2和T工厂调整程序可在整个T工作范围内实现出色的CO2测量精度。压力补偿将海拔和环境压力变化对CO2测量数据的影响降至较低。

      可在I2C或E2数字接口上获得测量数据,其范围高达1%CO2。EE894有两种尺寸可供选择,并通过触针和焊盘进行电气连接,这有助于在中进行设计。

      E2接口的可选套件有助于轻松配置??楹偷髡鸆O2、RH、T和P测量。CO2测量间隔可根据应用要求设置;这样,平均电流消耗可以降低到420μA,非常适合电池驱动设备。

      典型应用:

      按需控制通风

      楼宇自动化

      数据记录器和手持设备

      无线发射机

      EE894二氧化碳传感器主要特点:

      自动校准

      专业的长期稳定性

      温度和压力补偿

      低功耗

      小尺寸



       


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