Relative humidity:<85%. Accuracy is ±1%. Resolution :Wood:1%, Material:0.1%, Temperaure:1℃ /2℉. Accuracy :Wood: reading<30%:± 2%, reading≥ 30%: ± 4%; Material:reading<1.4%:± 0.1%; reading:≥ 1.4%± 0.2%.
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