The LR5041, manufactured by Hoiki, is a 1 channel DC logger to log voltage in the -50.00 mV to +50.00 mV range. It is ideally used for recording instrumentation signals and measure analog output from sensors and other machines. It has a lightweight and compact design that can be mounted onto tight areas. It can also transfer data to PC even during recording. It can record up to 60000 data per channel and the measurement data is saved even after the batteries dies.