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 95 Percent, Maximum AC Voltage Measured Not Applicable, Minimum Relative Humidity Measured 0 Percent The HOBO Light On/Off data logger monitors indoor light changes with an internal sensor and records light on and off conditions, making it ideal for building energy audits and light usage analysis. The HOBO UX90-002 Light On/Off Data Logger is for use in indoor environments, and capable of 84,650 measurements.
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