This is a digital thermometer and hygrometer that can measure and display temperature, humidity, dew point temperature, and wet bulb temperature.
The DT-321S is a temperature and humidity sensor that uses a state-of-the-art digital output single-chip relative humidity and temperature sensor module, allowing for quick measurement of humidity and temperature in just 10 seconds. It features maximum, minimum, and hold functions, enabling the display of only the highest or lowest values during measurement and the ability to hold the displayed values. Additionally, it has a backlight display function, making it easy to read measurements even in dark environments. It is recommended for use in laboratories, factories, and by technicians and professionals.