|Extech 42270 Temperature/Humidity Datalogger for 42275||Request a Quote|
|Extech 42299 Replacement 3.6V Lithium batteries (2pk)||$36.95||Add to Cart|
|Extech USB100 RS-232 to USB Adaptor||$52.49||Add to Cart|
The 42275 kit includes everything you need to record temperature and humidity readings over a period of time.
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