Relative density 60/60 degrees F hydrometers for general purposes

رقم المستند: NL ISO 650 : 2008
القطاع: Metrology and Measurement. Physical Phenomena
TC: No
ICS:
The requirements for five series of glass hydrometers concern reference levels for adjustment and reading, materials, dimensions, form, scale and handling. The annexes deal with standard surface tensions, stem diameters and meniscus corrections.