公开(公告)号：US20150063408A1

公开(公告)日：2015-03-05

申请号：US14018333

申请日：2013-09-04

Applicant: DECAGON DEVICES, INC.

Inventor： Ronnie Ken Byers ,  Gaylon S. Campbell

IPC: G01N21/39 ,  G01J5/00

CPC classification number: G01N21/39 ,  G01J3/0286 ,  G01J3/42 ,  G01J5/0014 ,  G01N2021/399

Abstract: An apparatus is configured to measure various properties of sample in a sample chamber such as, for example, water activity. The apparatus includes a tunable diode laser that emits laser radiation into the sealed chamber without passing through the air outside the sample chamber or a wall of the sample chamber. The laser radiation only passes through the gaseous mixture in the sample chamber. A temperature sensor such as an infrared thermometer is positioned to measure the temperature of a sample in the sample chamber. The apparatus may be configured to include a plurality of sample containers each of which includes a sealed sample chamber. The sample containers may be automatically fed through the apparatus and analyzed with the tunable diode laser without any operator input or interaction.

Abstract translation: 设备被配置为测量样品室中的样品的各种性质，例如水活度。 该装置包括可调谐二极管激光器，其将激光辐射发射到密封室中，而不会通过样品室外部的空气或样品室的壁。 激光辐射仅穿过样品室中的气体混合物。 定位诸如红外温度计的温度传感器以测量样品室中样品的温度。 该装置可以被配置为包括多个样本容器，每个样本容器包括密封的样品室。 样品容器可以通过设备自动进料并用可调谐二极管激光器进行分析，而无需任何操作者输入或相互作用。