HIOKI, Memory HiLogger

HIOKI LR8450 Memory HiLogger
1 ms Sampling Portable Logger Expandable to 120 Channels with Your Choice of Plug-in Input Modules
  Hioki Memory HiLoggers are high-speed data loggers for recording multiple channels of voltage, temperature, resistance or humidity signals, some models providing complete isolation between channels and strong noise resistance.

HIOKI LR8431 Memory HiLogger
Featuring USB Flash Drive and Improved Accuracy! Your Personal 10-channel Logger
  Hioki Memory HiLoggers are high-speed data loggers for recording multiple chanels of voltage, temperature, pulse or rotation signals, providing complete isolation between channels and strong noise resistance .