Data loggers for the Vaisala Continuous monitoring system range include several probe and mounting options with flexible wired or wireless connectivity; Wi-Fi, Ethernet and PoE. Measurements from Vaisala data loggers are traceable to SI units through national metrology institutes or ISO/IEC 17025 accredited calibration laboratories. There are intrinsically safe devices for hazardous/explosive areas. For non-Vaisala environmental monitoring systems and Building Automation systems, Vaisala’s OPC UA Server software integrates viewLinc data to your existing systems. Alternately, the viewLinc Application Programming Interface enables access to the viewLinc data base with a one‐time programming task. Apex Scientific are distributors of Vaisala Continuous Monitoring Solutions and Data loggers in South Africa.