Refrigerators and freezers specially designed for the storage of explosive and highly flammable substances. With comfort electronics and spark-free interior. The interiors of the units meet the safety requirements of the EU Directive 94/9/EC (ATEX 95) and are tested by the ATEX conformity assessment body electro-suisse (SEV). Precision electronic controller with digital temperature display. Self-closing door with integrated lock. Visual and audible temperature and door alarm. Visual power failure alarm as well as sensor defect alarm. Integrated data memory with min/max temperatures. Alarm forwarding to an external remote warning system. RS 485 Interface for external documentation. 1-point calibration. Maximum temperature stability and consistency according to IEC 60068-3. Access port for an external temperature sensor. Cooling units LKexv: With dynamic cooling system. Flexible; height-adjustable glass shelves.