Relative humidity and temperature data-logger LIBRATHERM INSTRUMENTS

Libratherm offers Microprocessor based Temperature and Humidity Scanner / Data logger Model HTLOGGER, designed for monitoring temperature and humidity at various locations or at various points in the stability chamber or in the walk in chamber or other identical systems.

HTLOGGER is a 16 channel data logger and it can accept 8-Temperature and 8-Humidity input from the std. RTD (Pt-100) temperature sensor and from the capacitive type RH sensor. The instrument displays the temperature in the range 0.0-100.0 oC and humidity in the range of 0.0 - 100.0 % RH on 4 digit 7-segment Red LED display with respective channel number along with the respective unit of measurement.

In addition to this the HTLOGGER has many other useful features such as Separate display to indicate Real time clock / calendar. In-built data storage facility, which can be retrieved on demand or can be down loaded on to a computer or on a printer for hard copy via the printer port in both off line and on line mode. The data storage capacity depends on the logging time and the number of channels. Internal 128KB of memory allows 3000 records of storage for all 16 channels.

The HTLOGGER is provided with a Serial communication port RS 232 / RS 485 for interfacing to a computer for data logging and storage. Specially designed window based software does the on line data logging and plot the graph with respect to the time on the PC. Special 2 level Pass Word protection (operator & supervisory) for unauthorized tempering of the parameters is also provided.

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