The Extech RHT35 humidity/temperature/pressure data logger records humidity and temperature, and also records barometric pressure. They use a standard USB connection to transfer up to 48,000 readings to a PC with data/time stamp in PDF or spreadsheet format. Additional features include an 8 location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in. Large LCD optimizes viewing and the smart LED provides color-coded humidity, temperature, and barometric pressure reading status.
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