The Extech 42270 is a replacement or additional unit intended for use with the Extech 42275 kit. The unit stores up to 16,000 readings and records relative humidity and temperature. Data is logged for days, weeks or months with the 1 year battery life. Multiple dataloggers may be programmed and data downloaded from one single docking station.
Note: The Extech 42270 cannot function without the Extech 42275 kit docking station and software.
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