Data Logger, AC Voltage Accuracy Not Applicable, Alert Type Digital Display, Sound, Current Channels Not Applicable, Maximum Dew Point Measured Not Applicable, Minimum Dew Point Measured Not Applicable, For Phase Not Applicable, Calibration Certificate Type Not Certified, Minimum Sampling Rate 1 sec, Maximum AC Current Measurement Not Applicable, Maximum Relative Humidity Measured 90 Percent, Maximum AC Voltage Measured Not Applicable, Minimum Relative Humidity Measured 0 Percent