Instrument research associates offers a %rh and dry bulb temperature indicator, model hygrotherm-955 this is a wall/table mount model. It is ideal as low cost indicator for a/c rooms. It has features like easy-to-read lcd display; dual display for temperature and humidity. It has a range: rh: 20% to 90%, temperature: 0°c to 50°c; long battery life with just 2 x aaa batteries; 24-hour continuous display; 300 days continuous reading; and attractive case for desktop or wall-mount use.
