苛刻环境用二氧化碳变送器

EE820采用的是E+E单光源双光速红外线测量技术,可自动进行光源老化补充,并具有较高的抗污染能力,从而保证了产品出众的长期稳定性。
配备的IP54防护等级的外壳和特殊的过滤器,使EE820可以应用在污染工况中,例如农业和畜牧业。在进行清洁操作前,使用M12接头可以方便地拆除变送器。
典型应用
- 绿色大棚
- 果蔬存储
- 孵化器
- 畜牧棚
- E+E双光束测量技术
- 测量范围最高达10000ppm
- 自动校准功能使变送器保持出众的长期稳定性
- 温度依赖性低
- 抗污染能力高
- 电压或电流输出
- 安装简便
- 用户校准
- CO₂测量范围
- 0...2000 ppm0...5000 ppm0...10000 ppm
- 精度(在25 °C 和1013mbar时)
- ± (50ppm + 测量值的2%)± (50ppm + 测量值的3%)± (100ppm + 测量值的5%)
- 模拟输出
- 0-10V 或4-20mA
- 供电
- 24V DC
FAQ
Not at all. Do not temper in any way with the CO₂ sensing cell. Please see the operation manual of the specific E+E CO₂ measurement device.
Please the section "Maintenance" in the operation manual.
All E+E CO₂ measuring devices feature an auto-calibration function. For details please refer to "Principles of CO₂ measurement".
Transmitter with "two-wire" technology receive the power from the process, and the signal is carried on return wire (closed current loop). With "three-wires" technology the power supply is separate from current output: 2 wires are the power supply and the third carries the signal.
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