LeiCi Residual chlorine electrode calibrating solution Residual chlorine electrode calibrating solution Specifications

[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/30570/Specification.html , which is only used by users who purchase commodities from the NBCHAO.