Digital vane anemometer provides an accurate and affordable way of measuring air velocity, volume flow, temperature, and relative humidity in a number of different combinations. Air velocity is measured in either metres per second or feet per minute. Readings for average, maximum and minimum velocity can be displayed. Air volume is calculated by entering the size and type of duct being measured and can be displayed in either cubic metres per hour or cubic feet per minute.

Digital Vibration Monitor is a PC based instrument, which provides vibratory information including acceleration, displacement, frequency and velocity readout. The accelerometer is interfaced with an M/RAD supplied interface box, which is attached to the acquisition card.

A digital video recorder is a device which is used to records video in a digital format to a disk drive or other medium. The term includes stand-alone set-top boxes and software for personal computers which enables video capture and playback to and from disk. It provides digital recording and playback capabilities.