Extech 42280 Thermometer and Relative Humidity Datalogger User Guide

The 42280 is a wall-mount, tripod mount, or desktop indoor air quality monitor with an internal memory capable of storing 16,000 readings (8000 temperature readings and 8000 relative humidity readings) that can later be transferred to PC using the USB interface. Real-time meter-to-PC logging is also supported. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.

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