PHARMACEUTICAL DATA INTEGRITY
FDA 21 CFR Part 11: Secure Electronic Records with the S332
The SUTO iTEC S332 Display and Data Logger supports secure, traceable electronic records with role-based user management, a protected audit trail, electronic signatures, 10 GB of protected storage, and controlled remote access.
Built for data integrity in regulated utility monitoring
IN SHORT
FDA 21 CFR Part 11 defines when electronic records and electronic signatures can be trusted as equivalents to paper records and handwritten signatures. The S332 provides technical controls that support these requirements. Compliance, however, depends on the complete validated quality system.
Pharmaceutical manufacturers rely on digital records to demonstrate the condition of compressed air and other critical utilities. Measurements such as dew point, pressure, flow, particles, and oil vapour may become part of a GMP decision and must therefore remain reliable, traceable, and available.
This page explains when Part 11 applies, how the S332 supports data integrity, how the functions relate to ALCOA+ and EU GMP Annex 11, and which responsibilities remain with the user organization.
1. What Is FDA 21 CFR Part 11?
FDA 21 CFR Part 11 defines the criteria under which electronic records and electronic signatures can be considered equivalent to paper records and handwritten signatures.
It applies when electronic records are used to meet FDA regulatory requirements. Part 11 does not prescribe a specific technology. Instead, it requires records to be accurate, complete, secure, traceable, and protected against unauthorized change.
The regulation works together with the underlying FDA rules that require a record, commonly called predicate rules. Those rules determine which records must be retained; Part 11 governs how those records may be created and maintained electronically.
Typical controls include:
- Unique user accounts
- Role based permissions
- Audit trails
- Electronic signatures
- Secure record retention
- Time stamped events
- System validation
2. Why Part 11 Matters for Compressed Air and Utility Data
Part 11 can apply to compressed air and utility data whenever the record supports a GMP decision.
Scope is determined by how a measurement is used, not by the type of instrument. A dew point record used during batch release, for example, is part of the regulated evidence chain. The same may apply to particle, oil vapour, pressure, temperature, or flow data when those values support product quality, investigations, or validated process conditions.
| Utility measurement | Typical GMP use | In scope? |
|---|---|---|
| Dew point | Evidence that drying performance stayed within specification during a batch | Yes |
| Oil vapour and particles | Conformity of product contact air with the specified ISO 8573 classes | Yes |
| Flow and consumption | Deviation investigations and capacity assessments referenced in GMP documentation | Usually |
| Pressure and temperature | Supporting parameters named in a validated process description | Usually |
| Energy consumption | Cost and efficiency reporting with no GMP decision attached | Normally not |
Reliable utility records make investigations faster, reduce manual documentation, and give auditors a clear history of the measured value, the system configuration, and the people who reviewed or approved the record.
3. How the S332 Supports FDA 21 CFR Part 11
The S332 supports FDA 21 CFR Part 11 through five integrated technical controls that protect electronic utility records from measurement through review, approval, storage, and retrieval.
These controls are built into the S332 rather than added later through separate spreadsheets or paper-based approval steps. Each function addresses a different part of the electronic record lifecycle and helps regulated organizations improve accountability, traceability, data integrity, and inspection readiness.
1. Role-Based User Management
Unique user accounts and defined permissions connect every action to an authorized individual.
The S332 supports four account types: Operator, Manager, Auditor, and Admin. This separation helps apply the principle of least privilege and avoids shared logins, one of the most common weaknesses in electronic record systems.
| Account type | Typical scope |
|---|---|
| Operator | Day to day viewing and operation within assigned permissions |
| Manager | Configuration and approval tasks within assigned permissions |
| Auditor | Review of records and audit trail without modification rights |
| Admin | User account administration and system settings |
2. Protected Audit Trail
The S332 generates a time-stamped audit trail automatically. It cannot be disabled, edited, or deleted by a user.
Relevant operations are recorded with the user ID, timestamp, original value, modified value, and an operation comment. The audit trail can be reviewed during deviations, internal audits, and regulatory inspections.
Why it matters: The audit trail shows who changed what and when, without replacing the original history.
3. Electronic Signatures
Each electronic signature belongs to one user account and remains linked to the signed record.
Signed files retain the user identity and timestamp. If a signed file is changed, the signature is invalidated automatically, making the approval status transparent.
Audit Trail or Electronic Signature?
The audit trail records system activity continuously. An electronic signature is a deliberate review or approval by an authorized user. The audit trail answers who changed what and when; the signature identifies who approved the record.
4. Protected Storage and Record Retrieval
The S332 provides 10 GB of protected internal storage for measurement records, audit trails, and signed files.
Original records cannot be overwritten or altered. Keeping related evidence within one protected environment simplifies historical review and retrieval.
Retention periods, backup, archiving, and recovery remain part of the user organization’s quality system and must be defined according to the applicable predicate rules.
5. Controlled Remote Access
The integrated web server gives authorized users remote access while keeping actions attributable and traceable.
Remote access can support faster reviews and responses without requiring staff to stand at the device. The network design, cybersecurity controls, and access policy must still be assessed and validated by the user organization.
4. How the S332 Supports ALCOA+ Data Integrity
ALCOA+ is the vocabulary most quality teams use to describe data integrity, and each principle maps to a specific S332 control.
ALCOA+ is not part of the regulation itself. It is a framework, and it is usually the language an auditor will use in the room.
| ALCOA+ principle | Relevant S332 control |
|---|---|
| Attributable | Unique user accounts and role based permissions link every action to an individual user. |
| Legible | Electronic records and audit trail files can be retrieved and viewed when required. |
| Contemporaneous | Measurements and audit trail events are recorded with timestamps at the moment they occur. |
| Original | Original data is protected against overwriting or alteration in the internal storage. |
| Accurate | Measurement data comes from sensors kept accurate through traceable calibration, in the SUTO iTEC laboratory or via exchange calibration. |
| Complete | Audit trail records preserve user activities and changes, including original and modified values. |
| Consistent | Events are recorded chronologically against a consistent time reference. |
| Enduring | The 10 GB internal storage retains electronic records, audit trails, and recorded files. |
| Available | Stored records and audit trail files can be retrieved and exported on demand. |
5. FDA 21 CFR Part 11 and EU GMP Annex 11
Part 11 and Annex 11 are different frameworks, but both expect controlled access, reliable records, audit trails, validation, security, and appropriate electronic signatures.
For manufacturers serving U.S. and European markets, one well-designed monitoring system can support both sets of expectations. The final compliance assessment remains based on intended use and the complete computerized system.
| Topic | FDA 21 CFR Part 11 | EU GMP Annex 11 |
|---|---|---|
| Scope | FDA regulated products, United States | Computerised systems in GMP activities, European Union |
| Legal character | Regulation, enforceable rule | GMP guideline within EudraLex Volume 4 |
| Controlled user access | Required, sections 11.10(d) and 11.10(g) | Required, section 12 on security |
| Audit trail | Required, section 11.10(e) | Required, section 9, including periodic review |
| Electronic signatures | Detailed requirements, sections 11.50 to 11.300 | Addressed in section 14 |
| System validation | Required, section 11.10(a) | Required, section 4 |
| Record retention | Governed by the applicable predicate rules | Governed by the applicable GMP requirements |
The full Annex 11 text is published by the European Commission in EudraLex Volume 4.
6. Practical Example: Dew Point Records During an FDA Inspection
An inspector asks for evidence that compressed-air dew point remained within specification during a production batch.
With the S332, the quality team can retrieve the measurement history, review relevant configuration changes in the audit trail, and verify the associated electronic approval from one platform. This reduces search time and presents a clearer evidence chain than a workflow spread across local loggers, spreadsheets, and paper signatures.
| Without Part 11 capable monitoring | With the SUTO iTEC S332 |
|---|---|
| Evidence is assembled from a local logger, a spreadsheet export, and a maintenance report. | Measurement history, audit trail, and approvals are retrieved from one platform. |
| No reliable proof that the configuration was unchanged during the batch. | The audit trail shows whether a configuration change occurred, by whom, and when. |
| Approvals exist as printed signatures on separate documents. | Electronic approvals are linked to the records and can be verified. |
| Preparing the evidence package takes days. | The quality team exports the required records directly. |
Instead of collecting information from several systems under time pressure, the quality team presents a centralized and traceable record from one platform.
7. One Platform for Critical Utility Monitoring
The S332 centralizes the measuring points that support utility quality and GMP decisions.
Depending on the application, these may include dew point, particles, oil vapour, flow, pressure, and temperature. Bringing these records into one protected environment improves visibility and reduces fragmented documentation.
- Dew point meters for drying performance and product contact air
- Compressed air quality instruments for particles, oil vapour, and humidity
- Flow meters for compressed air and gases for consumption and mass flow
- Pressure and temperature sensors for supporting process parameters
Records from these measuring points are stored, signed, and exported through the same protected environment. Sensor accuracy itself is maintained through the SUTO iTEC calibration service, which is what makes the Accurate principle of ALCOA+ defensible rather than assumed.
8. What the S332 Does Not Replace
No device makes an organization compliant with FDA 21 CFR Part 11 on its own.
The S332 delivers the technical controls that belong to the system. Compliance is achieved at the level of the complete quality system. The following remain with the user organization:
- Validation and qualification of the system for its intended use
- Standard operating procedures and user training
- Periodic audit trail review
- Backup, archiving, and recovery procedures
- Calibration management and change control
- Cybersecurity and network access policy
The S332 should therefore be implemented as part of a validated system with suitable procedures, training, backup, cybersecurity, calibration, and change control.
9. Frequently Asked Questions About FDA 21 CFR Part 11 and the S332
Does using the S332 automatically make us compliant with FDA 21 CFR Part 11?
No single device can make an organization compliant on its own. The SUTO iTEC S332 provides the technical controls that Part 11 expects from a system: role based access, a protected audit trail, electronic signatures, and protected data storage.
Compliance itself is achieved at the level of your complete quality system, which includes validation, standard operating procedures, user training, audit trail review, backup and recovery, and change control.
Does FDA 21 CFR Part 11 apply to compressed air and utility monitoring data?
Part 11 applies whenever electronic records are used to satisfy FDA regulatory requirements. If your compressed air quality, dew point, flow, or pressure data supports GMP decisions, for example demonstrating that utilities stayed within specification during a production batch, those records fall under Part 11 expectations and must be trustworthy, traceable, and protected.
Is the S332 an open system or a closed system under Part 11?
Part 11 defines a closed system as one where access is controlled by the people responsible for the records. In a typical installation the S332 runs inside the plant network with access controlled by the record owner, which corresponds to a closed system.
If remote access is opened beyond that controlled environment, the additional controls of section 11.30 apply. The classification is made by your own quality unit as part of the system assessment.
Do we still need to validate the S332 in our own environment?
Yes. Regulated companies are expected to qualify and validate systems for their intended use in their own environment, typically following their internal validation methodology.
The technical controls built into the S332 support this process, but they do not replace installation and operational qualification, documented procedures, or periodic review.
What validation support documentation is available for the S332?
Available qualification and validation support documentation should be confirmed with SUTO iTEC for the specific project and system configuration.
Can electronic records from the S332 replace paper records?
That is exactly what Part 11 was written for. Electronic records and electronic signatures can be considered equivalent to paper records and handwritten signatures when the required controls are in place.
The S332 supports this with unique user accounts, an audit trail that cannot be disabled or edited, electronic signatures that are invalidated by any file modification, and protected internal storage. Whether paper can be fully retired remains a decision of your quality unit.
What is the difference between the audit trail and the electronic signature?
The audit trail is generated automatically and continuously. It records who did what and when, including original and modified values, and no user can switch it off or alter it.
An electronic signature is a deliberate act by an authorized user, for example approving a record. Each signature is tied to exactly one user account, cannot be reused, and becomes invalid if the signed file is changed afterwards. Together they establish accountability and record integrity.
How do we provide records during an audit or FDA inspection?
Records, audit trail files, and signed files are retained in the protected 10 GB internal storage of the S332 and can be retrieved and exported when required. Authorized users can also access data remotely via the integrated web server, with every remote action captured in the audit trail.
This allows your quality team to present measurement history, audit trails, and approvals from one platform instead of collecting evidence from multiple systems.
Who is responsible for backup and long term record retention?
Retention periods are defined by the applicable predicate rules and by your own quality system, not by Part 11 itself.
The S332 protects original data against overwriting and alteration and allows records and audit trail files to be exported, so your organization can archive them in line with its own retention and backup procedures.
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