National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1441-2013
Scope
This type evaluation outline is applicable to the type evaluation of laboratory and portable coated electrode dissolved oxygen analyzers (hereinafter referred to as instruments) with a measuring range of (0~20) mg/L.
JJF 1441-2013 history
2013JJF 1441-2013 Program of Pattern Evaluation of Dissolved Oxygen Meter With Covered-Membrane-Electrode