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“headline”: “SOP for Laboratory Equipment Calibration and Maintenance”,
“description”: “This SOP defines standardized procedures for calibration and maintenance of laboratory equipment used in clinical trials, ensuring reliability, accuracy, and compliance with FDA, EMA, CDSCO, WHO, and ICH GCP requirements. It includes calibration schedules, preventive maintenance, vendor qualification, and deviation handling.”,
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Published on 22/12/2025
Standard Operating Procedure for Laboratory Equipment Calibration and Maintenance
| SOP No. | CR/OPS/088/2025 |
| Supersedes | NA |
| Page No. | 1 of 42 |
| Issue Date | 26/08/2025 |
| Effective Date | 01/09/2025 |
| Review Date | 01/09/2026 |
Purpose
The purpose of this SOP is to define processes for calibration and maintenance of laboratory equipment used in clinical trial
Scope
This SOP applies to all laboratory staff, QA personnel, equipment vendors, and service engineers involved in the calibration, preventive maintenance, repair, and verification of laboratory instruments used in clinical trials. It covers balances, pipettes, centrifuges, pH meters, refrigerators, freezers, LC-MS/MS systems, incubators, and other validated instruments.
Responsibilities
- Laboratory Manager: Ensures calibration and maintenance schedules are implemented and followed.
- Analysts/Technicians: Perform daily checks, document readings, and report malfunctions.
- QA: Audits calibration and maintenance records for compliance.
- Vendors/Service Engineers: Perform external calibration and preventive maintenance.
- Sponsor: Ensures laboratory has qualified and compliant equipment for clinical trial testing.
Accountability
The Laboratory Manager is accountable for ensuring that calibration and maintenance activities are performed and documented according to this SOP. QA is accountable for oversight and compliance verification.
Procedure
1. Equipment Qualification
1.1 Perform IQ (Installation Qualification), OQ (Operational Qualification), and PQ (Performance Qualification) before use.
1.2 Maintain qualification certificates in Equipment File.
2. Calibration Schedule
2.1 Prepare and maintain an Equipment Calibration Schedule (Annexure-1).
2.2 Calibrate balances, pipettes, and pH meters quarterly; LC-MS/MS and HPLC systems as per vendor guidance.
2.3 Record calibration details in Calibration Log (Annexure-2).
3. Daily Equipment Checks
3.1 Verify balances with standard weights daily.
3.2 Record refrigerator/freezer temperatures twice daily.
3.3 Document findings in Daily Equipment Check Log (Annexure-3).
4. Preventive Maintenance
4.1 Perform preventive maintenance annually or as per vendor specifications.
4.2 Maintain Maintenance Log (Annexure-4).
5. Calibration and Maintenance Records
5.1 File calibration certificates issued by external vendors.
5.2 Retain records in the Trial Master File (TMF).
6. Out-of-Tolerance Equipment
6.1 If equipment fails calibration, quarantine immediately.
6.2 Record in Out-of-Tolerance Log (Annexure-5).
6.3 Investigate impact on data and initiate CAPA.
7. Vendor Qualification
7.1 Vendors must be qualified through audits and maintain ISO/GLP certifications.
7.2 Document vendor qualification in Vendor Qualification Log (Annexure-6).
Abbreviations
- SOP: Standard Operating Procedure
- IQ: Installation Qualification
- OQ: Operational Qualification
- PQ: Performance Qualification
- QA: Quality Assurance
- CAPA: Corrective and Preventive Action
- GLP: Good Laboratory Practice
- TMF: Trial Master File
Documents
- Equipment Calibration Schedule (Annexure-1)
- Calibration Log (Annexure-2)
- Daily Equipment Check Log (Annexure-3)
- Maintenance Log (Annexure-4)
- Out-of-Tolerance Log (Annexure-5)
- Vendor Qualification Log (Annexure-6)
References
- ICH E6(R2/R3) – Laboratory Equipment Requirements
- FDA – Equipment Calibration and Maintenance Guidance
- EMA – Laboratory Compliance Standards
- CDSCO – Laboratory Instrument Compliance
- WHO – Laboratory Quality Standards
Version: 1.0
Approval Section
| Prepared By | Ravi Kumar, Lab Technician |
| Checked By | Sunita Reddy, QA Officer |
| Approved By | Dr. Anil Sharma, Laboratory Manager |
Annexures
Annexure-1: Equipment Calibration Schedule
| Equipment | Frequency | Next Due Date | Responsible |
|---|---|---|---|
| Balance-01 | Quarterly | 30/11/2025 | Lab Tech |
Annexure-2: Calibration Log
| Date | Equipment | Calibration Performed | Result | By |
|---|---|---|---|---|
| 10/09/2025 | Balance-01 | Standard weight check | Pass | Lab Tech |
Annexure-3: Daily Equipment Check Log
| Date | Equipment | Check Performed | Result | By |
|---|---|---|---|---|
| 12/09/2025 | Freezer-01 | Temperature check | −80°C OK | Lab Tech |
Annexure-4: Maintenance Log
| Date | Equipment | Maintenance Activity | Performed By | Verified By |
|---|---|---|---|---|
| 15/09/2025 | LC-MS/MS | Preventive maintenance | Vendor Engineer | QA Officer |
Annexure-5: Out-of-Tolerance Log
| Date | Equipment | Deviation | Action Taken | Responsible |
|---|---|---|---|---|
| 18/09/2025 | Pipette-02 | Failed calibration | Sent for recalibration | Lab Tech |
Annexure-6: Vendor Qualification Log
| Date | Vendor | Qualification Status | Performed By |
|---|---|---|---|
| 20/09/2025 | XYZ Calibration Services | Qualified | QA Manager |
Revision History
| Revision Date | Revision No. | Revision Details | Reason for Revision | Approved By |
|---|---|---|---|---|
| 26/08/2025 | 00 | Initial version | New SOP creation | Head Clinical Quality |
For more SOPs visit: Pharma SOP