The D4T with Intuition data logger features field-removable I/O modules. Configurations can be customized to meet the scaling needs of a range of equipment and applications while providing the hardware types required for compatibility. The product features a 4.3-in color touch panel with a high-resolution graphical user interface, which allows channels, alarms, inputs and outputs to be personalized with user-defined names. The data logging capability complies with regulatory standards with the ability to choose encrypted, .CSV or both types of file formats for tamper-proof record needs. It allows the use of lock-out security levels for different user groups.