The MCR Series Multichannel Recorders are 4-channel battery operated data loggers.
Up to 4 units can be coupled together, making it possible to simultaneously measure and record up to 16 channels.
The MCR-4V is designed to measure voltage.
The MCR-4TC is designed to measure a wide range of temperatures using a thermocouple sensor (compatible types: K, J, T, S and R).