... made by Nanjing Yiyuan and other companies.3. Connect USB interface and equipment at the scence, isolation pressure should not ... 5mA6. Low leakness current: 10uA(MAX,35Vdc)7. Standard USB interface. Environment Requirement:1. Working temperature range: 0 ~ 502. Storage ... . Software: WINDOWS 95/98/2000/XP3. Accessories: Mouse,serial interface COM1,COM2,COM3,COM44. EMS memory above 16M (Recommend 32M ...