Temperature & humidity logger

摘要

TandD Corporation has introduced its NEW TR-77Ui Data Logger. This versatile unit features a wide range from 0 to 99% Relative Humidity along with an expanded Temperature range from -30° to +80℃. This compact, lightweight unit is approximately 2×3 inches and operates on one AA battery. The Relative Humidity accuracy is ±2.5%, uncalibrated. and provides a fast response of 20s Humidity Time Constant. The sturdy Probe has a one-metre cable which can be increased up to 10 metres from the Logger with optional extensions.