The portable Grant Squirrel SQ2020 series data loggers feature a fully configurable large graphical LCD. These universal-input data loggers take readings over a range of different measurements. They can operate standalone without a PC, include setup software with graphing capabilities for data analysis and facilitate logging engine temperature or additional types of data on the factory floor. The data loggers can measure several values, including temperature, current/voltage and resistance. They feature multiple 24-bit ADCs for precise measurements and can record up to 100 readings per second on two channels (SQ2020 2F8 model).