Calibration of Turbidity Meter

1.0 PURPOSE

The purpose of the standard operating procedure is to provide guidelines for the calibration of the Turbidity meter.

2.0 SCOPE

The scope of this standard operating procedure includes calibration of the Turbidity meter.

3.0 RESPONSIBILITY

3.1 Section Incharge

3.2 Technical Manager

3.3 Q.A. Manager

4.0 PROCEDURE

4.1 Switch on the instrument.

4.2 Using the standard operating conditions start the operations of the instrument.

4.3 Set the instrument at zero.

4.4 Pour the standard turbidity solution in the glass tube/cuvette and measure the turbidity.

4.5 Ensure that the glass tube/cuvette is cleaned/washed before and after use.

4.6 Make the measurements of turbidity in each range of the instrument or in different ranges of the Instrument.

4.7 The turbidity shall not differ from the stated values of the reference standards.

4.8 Correlate the observed values of turbidity with the specified/stated values of the reference standard and make adjustments, if necessary.

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