Monitor temperature, humidity and barometric pressure with data logger
TR-73U data logger monitors three channels: temperature, humidity and barometric pressure. Lightweight unit measures approximately 2 ins. by 3 ins. and operates on one AA battery. Large, easy-to-read four-digit display shows all three channels. Front-panel buttons control start, stop and setting of parameters. TR-73U can store up to 8,000 readings in one-time or endless recording mode. By connecting to a computer via a USB port, recorded data can be downloaded quickly with easy-to-use software. All-in-one package includes data logger unit, sensor and software. TandD Corp., Saratoga Springs, N.Y.