浙江·磐安恒远制氮机有限公司HENGYUAN NITROGEN
◎显 示 器:5位数码LED动态显示 ◎测量范围:P860-3O 21.0%~1000ppm O2
P860-4O 21.0%~100ppm O2
P860-5O 21.0%~10ppm O2
P860-3N 79.0%~99.9% N2
P860-4N 79.0%~99.99% N2
P860-5N 79.0%~99.999% N2