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LAT-C Plant Leaf -&- Air Temperature Sensor (needle type)

发布时间:2024-05-17


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Norwegian spruce ΔLA-C leaf surface temperature sensor

LAT-C(Plant Needle-type leaf -&- Air Temperature) is a high-precision sensor for long-term monitoring of needle surface and ambient air temperature. The absolute air temperature (Tair) is measured by a tiny, high-precision thermistor probe, while the temperature difference (T) between the air and the needle surface is obtained by a thin thermopile (10x). Multiple measurement sites distributed on the blade surface are in direct contact with the blade surface and generate a spatially integrated temperature signal. The LAT-C is an ultra-light sensor designed for needles with multiple measuring points that are directly connected to multiple needles and generate a spatially integrated temperature signal.

 

技术参数

 

名称

LAT-C   : -&-空气温度传感器(针叶型) (*)

适用叶片尺寸和安装位置

针叶表面针叶长度 > 3mm

传感器测量范围

-      温差电堆 (T叶片-空气)

-    热敏电阻 (Tair)

 

DT = +/- 20°C

Tair = -40125°C

精度

-      温差电堆 (T叶片-空气)

-    热敏电阻 (Tair)

 

CR1000: +/-(0.06%*读数+0.01°C) CR1000: +/- 0.2 °C

分辨率

-      温差电堆 (T叶片-空气)

-    热敏电阻 (Tair)

 

理论上无限,主要取决于数采 (例如,CR1000 0.0025°C)

 

理论上无限,主要取决于数采 (例如,CR1000 0.05°C)

规格和重量

电热堆长度10 cm, ca. 0.5 g

信号输出

-      温差电堆 (T叶片-空气)

-    热敏电阻 (Tair)

 

D范围为+/- 20°时,信号输出范围为± 8.5 mV

使用桥接电路时,电阻(Ω)或者电压(mV)输出 (标配中包含桥接电路和20 kΩ 电阻)

电源

-      温差电堆 (T叶片-空气)

-    热敏电阻 (Tair)

 

无要求

通常为2500 mV激发电压

工作环境

温度:   -25 70 °C, 空气湿度: 0100%