Combining 24-bit ADCs, removable memory, Wi-Fi Ethernet networking, and setup software, Grant Squirrel SQ2020 enables real-time recording and data analysis. Standard 8 differential universal analog inputs connect to many different sensor types. Logger also features 2 high voltage, 4 pulse rate/counter inputs and 8 digital event/state inputs taking measurements at 0.05% precision. Connecting to alarm lights or sirens, 4 alarm/relay outputs warn of out-of-specification values.