1.0 OBJECTIVE:
1.1 Objective is to record the findings of qualification study executed as per pre-approved protocol and to show that the digital weighing balance stands qualified for routine use.
2.0 SCOPE:
2.1 The scope of this report is limited to Digital Weighing Balance having Id No. XYZ
3.0 RESPONSIBILITIES:
Maintenance Officer/Executive: To prepare qualification protocol, report and co-ordinate the entire qualification activity.
Quality Assurance Officer/Executive: To witness the qualification study and ascertain that the study is conducted as per the protocol.
Production Officer/Executive: To execute qualification study in co-ordination with other departments.
Head Maintenance: To review the qualification documents.
Head Quality Assurance: To approve the qualification documents.
4.0 BALANCE DESCRIPTION:
| Sr. No. | ID. No. | Capacity | Least count | Location | Make | Model No. | Serial No. |
| 1 | XYZ | Max. : 50.00 Kg Min. : 0.50 Kg | 0.01 Kg | Packing Hall | Mettler Toledo | NA | Example: ABCD |
5.0 ACCEPTANCE CRITERIA:
Qualification of the equipment should meet the acceptance criteria outlined in the following steps.
5.1 Installation Verification Report
| Sr. No. | Check points | Acceptance criteria | Observations | Checked by sign/date |
| 1 | Check the levelling of the equipment on level indicator. | Air bubble shall be at centre position of level indicator. | ||
| 2 | Placing location | 1. Bench top or floor shall be steady and even surface. 2. Location shall be free from heat, vibration and moisture. |
5.2 Multimeter Calibration Verification Report
| Sr. No. | Measuring Device | Acceptance Criteria | ID. No. | Calibration done On & due on | Observation | Checked by Sign/ Date |
| Multimeter | It shall be calibrated for its performance. |
5.3 Calibration Status of Standard Weights
| Sr. No. | Standard Weights | Acceptance criteria | Observation | Checked by sign/date |
| 1 | Check the calibration of standard weights. | Standard weights should be calibrated for its performance. |
5.4 Operational Verification Report
| Sr. No. | Check points | Acceptance criteria | Observations | Checked by sign/date |
| 1 | Press ‘Φ’ button. | Balance should turn ON. | ||
| 2 | Press ‘T’ button. | Balance should tare (zero – setting). | ||
| 3 | Press ‘Φ’ button. | Balance should turn OFF. |
5.5 Utility Verification Report
| Sr. No. | Utility | Acceptance criteria | Observation | Checked by sign/date |
| 1 | Electricity | Single phase, 230 + 10% V AC and 50 + 5% Hz |
5.6 Eccentricity Test Report
5.6.1 Procedure
Eccentricity test is carried out by placing 1/3 rd weight of maximum capacity i.e. 20.00 Kg on weighing platform at 5 different locations (four corners & center) and Values displayed by Balance against standard weight are recorded in a following table.
| Location ID | Standard Weights | Observation/Weight Displayed | Checked by sign/date |
| 1 | 20.00 Kg | ||
| 2 | 20.00 Kg | ||
| 3 | 20.00 Kg | ||
| 4 | 20.00 Kg | ||
| 5 | 20.00 Kg |
- Acceptance Criteria: 19.18 Kg to 20.02 Kg
- Remark: ______________________________________________________________________________________________________________________________________________________
5.7 Linearity Test Report
5.7.1 Procedure
Linearity test is carried out by placing 4 different standard weights i.e. 0.50 Kg, 15.00 Kg, 30.00 Kg and 50.00 Kg one by one on weighing platform in ascending order and by removing the placed standard weights in descending order. Values displayed by Balance against standard weights area recorded in a following table
| Sr. No. | Standard Weights | Observation/Weight Displayed | Checked by sign/date |
| A | Ascending order | ||
| 1 | 0.50 Kg | ||
| 2 | 15.00 Kg | ||
| 3 | 30.00 Kg | ||
| 4 | 50.00 Kg | ||
| B | Descending order | ||
| 1 | 50.00 Kg | ||
| 2 | 30.00 Kg | ||
| 3 | 15.00 Kg | ||
| 4 | 0.50 Kg |
- Acceptance Criteria: 0.49 Kg to 0.51 Kg for 0.50 Kg
14.98 Kg to 15.02 Kg for 15.00 Kg
29.97 Kg to 30.03 Kg for 30.00 Kg
49.95 Kg to 50.05 Kg for 50.00 Kg
- Remark: ________________________________________________________________________________________________________________________________________________________________________________________________________
5.8 Repeatability Test Report
5.8.1 Procedure:
Repeatability test is carried out by placing minimum i.e. 0.50 Kg, optimum i.e. 25.00 Kg and maximum i.e. 50.00 Kg weight of capacity of balance 5 times on weighing platform and values displayed by Balance against standard weight are recorded in a following table.
| Sr. No. | Standard Weights | Observation/Weight Displayed | Checked by sign/date |
| 1 | 0.50 Kg | ||
| 2 | 0.50 Kg | ||
| 3 | 0.50 Kg | ||
| 4 | 0.50 Kg | ||
| 5 | 0.50 Kg | ||
| 6 | 25.00 Kg | ||
| 7 | 25.00 Kg | ||
| 8 | 25.00 Kg | ||
| 9 | 25.00 Kg | ||
| 10 | 25.00 Kg | ||
| 11 | 50.00 Kg | ||
| 12 | 50.00 Kg | ||
| 13 | 50.00 Kg | ||
| 14 | 50.00 Kg | ||
| 15 | 50.00 Kg |
- Acceptance Criteria: 0.49 Kg to 0.51 Kg for 0.50 Kg
24.97 Kg to 25.02 Kg for 25.00 Kg
49.95 Kg to 50.05 Kg for 50.00 Kg
- Remark: ______________________________________________________________________________________________________________________________________________________
6.0 DEVIATION REPORT:
| Sr. No. | Deviation (s) | Justification for acceptance criteria | Impact on installation, operation and performance |
7.0 CHANGE CONTROL:
8.0 LIST OF ANNEXURE:
9.0 SUMMARY AND CONCLUSION OF QUALIFICATION
10.0 CERTIFICATION OF QUALIFICATION:
Qualification is satisfactory. Yes/No
Hence Balance can be used for routine use. Yes/No
Head- Q.A.
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