hygrostat การใช้

• A properly installed and located hygrostat should be used to monitor and control humidity levels automatically, or a well-informed and conscientious human operator must constantly check for correct humidity levels.
• A device used to measure humidity is called a hygrometer; one used to regulate it is called a humidistat, or sometimes hygrostat . ( These are analogous to a thermometer and thermostat for temperature, respectively .)