The DO 9847 by Delta Ohm is a Multi-function hand held data logger which can be easily connected to a channel or two channel dual probes. For this specific unit, it is compatible with Sicram probes which are connected on its input. Also, it comes with a basic function such as watch, hold maximum, minimum, average, record, intermediate and defered start record logging. Using this tool, the user will be able to have a sampling time of about 1 second per input. The probe can be easily calibrated due to its Sicram module. For storage capacity, it can do 32,000 reading per input. The storage interval and printing can be easily setup within the span of 1 second and 1 hour.