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Bside Bth01 Portable Two Channel Temperature Humidity Dew Point Data Logger With LCD Display USB Interface Without the original retail box with the original batteryRelative HumidityMeasurement range0~100%RH Accuracy(Typ.)Figure 13%RH Resolution0.1%RH typically Long Term Drift TemperatureMeasurement range-35~80 o C-31~176 o F) Accuracy(Typ.)Figure 20.3 o C(0.5 o F) Resolution0.1 o C / 0.2 o F Long Term DriftNegligible LCD Number of ChannelsDouble Channels (One for humidity and the other for temperature)User can enable/disable any channels when setup via DGraphTMMemory Capacity64KBytes(Total 32,000 readings for all channels)Sample RateCan be selected from 10 seconds to 12 hoursStart MethodImmediately, Start by button, and Start at date&timeStop MethodStop when memory full, overwrite when memory full, stop by button and stop until specified number of sample pointsfinishedSample ModeInstant(d