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System description
1.1
Measurement principle, Function
and applications
HYGROPHIL
hygrometer for measuring the moisture or trace humidity at low dew -point
temperatures in gases and liquids.
控制的高级光纤湿度测量仪，用于测量气体和液体中的微量水。
The version HYGROP HIL
used in one-channel mode for measuring the dew point of hydrocarbons.
HYGROPHIL® HCDT 配置有一个特殊传感器，该传感器工作在单通道模式用
来测量烃露点。
Measurement of water dew point temperature
(Gas humidity)
The wat er dew point is measured with the HYGROP HIL
L166x.
The moisture sensor, type L166x, consists of a robust multi-layer of optically
high and low refractive layers connected to 2 fibre-optical cables.
L166x 湿度传感器由 2 根光纤电缆连接，该传感器具有高和低折射率物质
构成的多层稳定结构。
Due to a special thermal coating technique, pores are generated on the layer.
由于特别的热固化技术，在每层结构上形成了许多小孔。
Due to the moisture equilibrium content, wat er is deposited in the layer and
changes the refractive index of the irradiating light (air: 1.00/water 1.33).
根据湿度平衡原理，进入传感器的水分子会改变光的折射（空气 1.00/水
1.33）。
Within the layer system this results in a wavelength shift in proportion to the
moisture prevailing in the medium.
例的发生变化。
This shift is measured by the evaluation unit and assigned to a dew point.
电子单元测量到波长的变化并且转换成露点。
The L166x probe makes meas urements which are temperature compen-
sated by the integrated Pt100.
能。
In short, the HYGROP HIL
sensor which fibre-optically determines the moisture cont ent and measures
the temperature in the medium wit h a Pt100.
5673 工作的传感器由测量湿度含量的光纤和测量介质温度的 Pt100 组成。
Apart from the extrem ely robust construction of the sensor, it is above all
else, the measurement technique which offers several decisive advantages.
除了传感器具有牢固的结构外，测量技术还具有几个明显的优势。
Some of the advantages of this patented measuring method are as follows:
专利测量的技术优势体现在以下几个方面：
● High measuring confidenc e, including precision, reproducibility and
● Long-term stability of the sensor (no drift!)
HY GROPHIL® F 5673 Operating manual, Sof tware v ersion 1.8.x, 387897MDHEN (2013/4/26)
®
F 5673 is a high-quality, microprocessor-controlled fibre-optic
®
HCDT is equipped with a special s ensor and is
测量水露点温度（气体湿度）
®
HYGROPHIL
F 用于测量水露点，传感器的型号是 L166x。
®
F 5673 works in conjunction with a combination
高可靠性，包括精度、重复性和低滞后。
low hysteresis.
漂移）
System description
系统介绍
测量原理、功能和应用
®
HYGROPHIL
F 5673 是一款由微处理器
介质中的水分含量会引起系统波长成比
L166x 探头由内置的 Pt100 提供温度补偿功
简而言之，HYGROPHIL® F
传感器长期稳定工作（无
系统介绍
1-1
®
F and sensor type
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