QR Code Role¶

Special role for QR code-based access in calServer V2.

Overview¶

The QR code role is a special user role with limited permissions, optimized for quick access to device information via QR code scans.

Purpose¶

Mobile scanner usage

The QR code role allows staff to quickly retrieve device information without having to log in with full credentials.

Typical use cases:

Device identification: Scan QR code on device and view master data
Check calibration status: Next calibration date and current status
Determine location: Current location and responsible party
Document access: View latest calibration certificates and test reports

Permissions¶

The QR code role contains only read permissions:

Operation	Description
`inventory_view`	View device data
`calibration_view`	View calibrations
`dms_view`	View documents

Restricted access

The QR code role does not allow modifying operations. Users with this role cannot create, edit, or delete data.

Setup¶

Create QR Code User¶

Navigate to Admin > Users
Create a new user or select an existing one
Assign the QR Code role
Save the changes

Generate QR Codes¶

QR codes for devices are generated automatically and contain:

https://calserver.example.com/qr/{device-id}

The QR code can be output in the following ways:

Method	Description
Device label	Direct print on calibration label
Report attachment	QR code in calibration certificate
Individual print	Separate label print

Scan Workflow¶

Scan QR code
    |
    v
Browser opens device page
    |
    v
Login (if not logged in)
    |
    v
Display device information
    |
    +-- Master data
    +-- Calibration status
    +-- Last calibration
    +-- Next due date
    +-- Associated documents

Mobile Optimization¶

Responsive display

The QR code view is optimized for mobile devices and displays the most important information in a compact format.

The mobile view includes:

Device name and inventory number
Current status with color coding
Calibration status (valid / expired / due soon)
Quick access to the latest calibration certificate (PDF)

Security¶

QR code users must authenticate
Sessions expire after a configurable period of inactivity
Access logs are stored for audits