This procedure is applicable to the initial calibration, subsequent calibration and in-use inspection of desktop and portable photoelectric turbidimeters used in laboratories and fields that display in Formazine turbidity units and whose results can be converted into Formazine turbidity units. .
JJG 880-2006 Referenced Document
ISO 7027:1999 Water quality - Determination of turbidity
JJF 1001-1998 General Terms in Metrology and Their Definitions
JJG 880-2006 history
2006JJG 880-2006 Verification Regulation of Turbidimeters
1994JJG 880-1994 Verification Regulation of Turbidimeter