HI93735总硬度浓度测定仪型号HI93735测量范围0to250mg/L200to500mg/L(MR)400to750mg/L(HR)解析度1mg/L(0to100mg/L)5mg/L(100to750mg/L)精度读数的 4% 5mg/L(0to250mg/L)读数的 7% 3mg/L(200to500mg/L)读数的 10% 2mg/L(400to750mg/L)波长/光源470nm硅光源标准配置主机、HI93735-00或HI93735-01或HI93735-02试剂(用户根据需要选一种)、HI731313玻璃比色皿两个、9V电池标准报价¥2750.00选购试剂HI93735-00(0to250mg/L)¥400.00HI93735-01(200to500mg/L)¥400.00HI93735-02(400to750mg/L)¥400.00HI93735-0(0to750mg/L)¥1100.00测量方法采用EPA中方法130.1钙镁和试剂反应样剂呈紫红色