为F型的仪表不带RS232C打印接口。
3、在写型号时必须完整，没有选到的功能项不能省略,必须用X补上。
例1：NHR-5500A-27/27-0/0/2/X/X-A(模拟量控制)。
NHR-5500A-01,NHR-5500A-02,NHR-5500A-03,NHR-5500A-04,
NHR-5500A-05,NHR-5500A-06,NHR-5500A-07,NHR-5500A-08,NHR-5500A-09,NHR-5500A-10,
NHR-5500A-11,NHR-5500A-13,NHR-5500A-14,NHR-5500A-15,NHR-5500A-16,NHR-5500A-17,
NHR-5500A-18,NHR-5500A-19,CCLAIR,NHR-5500A-20,NHR-5500A-21,NHR-5500A-22,NHR-5500A-23,
NHR-5500A-24,NHR-5500A-25,NHR-5500A-26,NHR-5500A-27,NH