... System is widely used in the fields of pure monitoring, pure clean, pure packing, equipment authentication, equipment surveillance, monitoring SMIF, ... , hard disk manufacture, aerospace, surgical ward in hospital, and equipment and installment in hospital. Detailed States of Specifications:1 Counting ... 24VDC; Operating: 10 °C ~ 40 °C, 20% ~ 95%, Storage: -10 °C ~ 50 °C, the max is 98%5 Appendixs ...