产品描述
★Portable, compact and lightweight 便携式设计,体积轻巧 ★Battery condition display (4 stage) 电池(4档)效能显示
★Bar graph indicates field polarity and intensity 条线图可显示电场极性及强弱
★Auto-ranging digital display 自控量程数字显示 ★Multi-function audible alarm 多功能报警提示
★ Auto shut off after 5 minutes 闭置5分钟后自动关机
★Easy plate attachment for ion balance measurement 可配离子平衡测量板
★Includes vinyl storage case,ground lead, and battery 配有聚乙烯包装盒,接地扣,电池