To describe a standard operating procedure for calibration of on-line conductivity meter in the DM water plant.
1.0 PURPOSE:
To describe a standard operating procedure for calibration of on-line conductivity meter in the DM water plant.
2.0 SCOPE:
The standard operating procedure describes in detail the method for calibration of on-line conductivity meter.
3.0 RESPONSIBILITY:
The responsibility for calibration of on-line conductivity meter as per the standard operating procedure lies with staff of rank not lower than Chargeman of maintenance department.
The responsibility of preparing, reviewing and approving the standard operating procedure lies with the Manager - Maintenance, Head of Production and Head of QAD respectively.
4.0 METHOD:
4.1 Ensure that the DM Water plant is ready for production of DM Water.
4.2 Switch-on the raw water pump of DM Water plant.
4.3 Switch-on the on-line conductivity meter.
4.4 Open the water valve of the on-line conductivity meter.
4.5 Note-down the conductivity displayed by the on-line conductivity meter in Annexure-I and at the same time collect the water sample in a cleaned glass flask.
4.6 Check the conductivity of the water sample on the conductivity meter situated in quality control laboratory and note down reading in Annexure-I. The QC Laboratory conductivity meter is calibrated as per SOP REPLACEMENT OF GASKETS OF PIPE LINES/PUMPS.
4.7 Repeat the steps 4.5 and 4.6 three times and tabulate the results in Annexure-I.
4.8 If there is any deviation between the on-line reading and laboratory reading, send the conductivity meter for repairs and calibration.
4.9 Frequency:
The calibration should be done once in a month.
5.0 RECORDING:
The responsibility of recording the results in Annexure-I lies with the staff of rank not lower than the chargeman of maintenance department.
Dm water plant, engineering, conductivity meter
