December 7, 2009 - TR-77Ui features a wide range from 0 to 99% Relative Humidity along with an expanded Temperature range from -30° to +80°C.This compact, lightweight unit is approximately 2" X 3" 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 1 meter cable which can be increased up to 10 meters from the Logger with optional extensions.
The TR-77Ui has a large data capacity which can store up to 8,000 readings times 2 channels for a total of 16,000 readings in One-Time or Endless recording mode.Simply by connecting to a computer via a USB port, the recorded data can be quickly downloaded with the easy-to-use software. The TR-77Ui also features an IrDA Port for Wireless Downloading of data.A unique feature is the built-in Adjustment Function which allows the user to enter calibration factors directly into the Logger eliminating the need to adjust readings after they are downloaded.
