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MEMORY HiCORDER MR8847 Series High-speed 20MS/s Multi-channel Memory Recorder Provides Simultaneous Data Acquisition During Field Testing with Rugged Portability and Built-in Printer Hioki Memory HiCorders are high-speed waveform monitoring and recording devices that can simultaneously measure multiple physical phenomena such as voltage, current, temperature, vibration, weight, acceleration and rotation due to complete isolation between channels and from each channel to the ground. More than just an oscilloscope, the MR8847 Series accommodates plug-and-play input modules to meet applications such as monitoring commercial power supplies, fault analysis of electrical equipment, testing of automotive mechanisms, and general inspection of various industrial facilities. • MR8847-01 (64MW memory, main unit only) • MR8847-02 (256MW memory, main unit only) • MR8847-03 (512MW memory, main unit only) * Main unit MR8847-01/ -02/ -03 cannot operate alone. You must install one or more optional input modules in the unit.

3 channel inputs for the simultaneous recording of Leakage Current, Load Current and Voltage • Power Quality analysis(only on KEW 5020)(Power Quality:Reference voltage, Swell, Dip, Short power Interruptions)   Large Capacity for storing 60,000 data points 60,000 data points can be recorded when 1ch is used, and when all the three channels are used, 20,000 data points per channel can be recorded   Lowpass Filter will filter out the harmonics(Cutoff Frequency = Approx. 160Hz)   LED flickers when the preset current / voltage value is exceeded   CALL: Confirmation of recorded data • The following can be displayed: number of recorded data points, (max+ min+ peak) value for each channel complete with time/date information in the Normal recording mode. (Detected values (i.e. when values are outside preset limits ) can be displayed in other recording modes) • RECALL: The last 10 recorded data points including time/date can be recalled on the logger display