The Single Channel Data Logger, Model VZ-70 is a microcontroller based Digital process Indicator with data logging feature. It is offered in a compact, rugged and reliable execution. The instrument has three keys on the front panel, with which the operator can configure the instrument as desired. A four-digit red LED digital display is provided on the front panel which indicates the process value in real time. A Micro-SD Card slot on the front panel is provided for insertion of the SD Memory Card.