Calibration assembly for a turbidity meter, used in e.g. chemical manufacture, food and pharmaceutical production, comprises a transparent calibration tube with a translucent color calibration strip

摘要

A liquid turbidity measuring instrument (2) incorporates a transparent calibration tube (11) with a translucent color calibration strip coaxially located between a light source (3) and a light detector (4), where the calibration tube (12) and strip are interchangeable. A liquid turbidity measuring instrument (2) incorporates a transparent calibration tube (11) with a translucent color calibration strip coaxially located between a light source (3) and a light detector (4), where the calibration tube (12) and strip are interchangeable. The tube has a side window for light scatter. The test strip position is variable within the surrounding tube. The tube (12) and translucent calibration strip (13) are inserted within the surrounding pipe fitting (6).