US 12,306,099 B2
Control apparatus, measuring instrument, and method of preventing condensation
Toshihiko Kyakuno, Musashino (JP)
Assigned to Yokogawa Electric Corporation, Tokyo (JP)
Filed by Yokogawa Electric Corporation, Tokyo (JP)
Filed on Mar. 28, 2023, as Appl. No. 18/127,060.
Claims priority of application No. 2022-057653 (JP), filed on Mar. 30, 2022.
Prior Publication US 2023/0314320 A1, Oct. 5, 2023
Int. Cl. G01N 21/59 (2006.01)
CPC G01N 21/59 (2013.01) [G01N 2201/022 (2013.01); G01N 2201/0238 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A control apparatus comprising a controller configured to execute a condensation prevention process for preventing condensation on a window according to an ambient temperature and humidity of a chamber and a surface temperature of the window at an inside of the chamber, the chamber comprising the window and housing a light receiving element configured to receive light entering the chamber from the window via a sample for measurement located in a space outside the chamber or a light source configured to irradiate light on the sample through the window,
wherein as the condensation prevention process, the controller is configured to execute a process to control a condensation prevention apparatus installed inside the chamber and to start operation of the condensation prevention apparatus, and
wherein the controller is configured to set a condition value of the surface temperature as a stopping condition for stopping the condensation prevention apparatus with respect to the surface temperature of the window, and in a case in which a surface temperature of the window at the inside of the chamber after execution of the condensation prevention process is equal to or greater than the condition value, execute a process to control the condensation prevention apparatus and to stop the operation of the condensation prevention apparatus.