Humidity: Accuracy ±4% RH. Humidity Range: 0%-100% RH. Accuracy of Wet Bulb: ±2℃. Wet Bulb Range: -20℃-50℃. Ambient Temperature Accuracy: ±1℃. Dew Point: Accuracy ±2℃. Ambient Temperature Range: -20℃-70℃ (-4 ~ 158℉).
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