Libero CS USB PDF WHO Approved Temperature Indicator


Libero CS is an economical alternative for those who want the ability to generate a pdf report for the temperature data collected by the logger. The display on the logger provides the current temperature and pass/fail status.

No external software is required to download data from the logger. All one has to do is detach the probe from the USB connector and plug it into the USB port of a computer. A PDF report is automatically generated. This report can be customized to include user-specified details.

The logger provides the ability to configure 5 alarm zones and can store 16,000 data points. The battery in the logger has been rated to last up to 3 years assuming 15 minute sampling interval.

  • Pre-qualified by WHO (E006/027). Can be supplied preconfigured for Type 1 and Type 2 vaccines.
  • Quick implementation by any 3rd party anywhere. No extra software required. Creates automatically a PDF report when connected to USB port of a PC
  • PDF report complies with ISO standard 19005-1 Document Management for the long-term preservation of electronic documents
  • A multi-function display shows pass/fail status, current temperature and Configuration profile identification
  • Using Smartstart Pack & Go, loggers can be configured with 1 click on the desktop shortcut icon
  • Traceable with ID no.
  • Auto expiry date management
  • Validation certificate stored in the datalogger
  • 5 temperature alarm levels with single or cumulative delays

Application area
Cold Chain Monitoring - Applications without need for temperature graph or tabular data
Case / dimension / weight
ABS plastic material / 96 x 37 x 11 mm (3.8 x 1.5 x 0.5 inch) / 38 g (1.34 oz)
12 month certificate with reference to sensor calibration and indicator test results
Data logger configuration
liberoCONFIG software to create, store and manage individual settings in an indicator profile as well as SmartStart, a liberoCONFIG component allowing a safe and quick application of profiles and shipment information to individual PDF Indicators is downloadable free of charge.
Multifunction LCD, size: 23.5 x 23.5 mm, with OK and ALARM indicator
Display functionality
  • Status: Conf, Start, Transit, Arrived
  • OK, ALARM or blank
  • Current temperature measurement
  • Configuration profile identification
Expiry date & battery life
  • Auto expiry date management: After expiry, display changes status and indicator cannot be started anymore
  • Indicator can be started any time during shelf life of 12 months
  • Once the indicator has been started it can perform a maximum of 8‘800 measurements
  • Long time operating range: -10.0 °C..+50.0 °C for entire shelf life
  • Exposure to extreme conditions: 10 days at -20.0 °C and 10 days at +70.0 °C
Measurement accuracy
± 0.5 °C in the range of 0 °C..+25 °C
± 1.0 °C in the range of -10.0 °C..-0.1 °C as well as +25.1 °C..+50.0 °C
± 1.5 °C in the range of -20.0 °C..-10.1 °C as well as +50.1 °C..+70.0 °C
Measurement interval
1 to 60 minutes, user programmable, resulting in up to one year run time Typically 60 days with measurement interval of 10 minutes
Measurement Range
-20 °C..+70 °C
Programmable alarms
  • 8 temperature alarm levels with single or cumulative delays
  • 2 temperature thresholds with alarm delay
  • Alarm on MKT
  • Alarm on duration / logging time
Recording options and mode
Single use

Built-in PDF file generator automatically establishes an evaluation report with embedded raw data upon connection to a USB port. Complies with the ISO standard 19‘005

  • 1 Document Management for the long-term preservation of electronic documents (PDF/A) and 21 CFR Part 11
  • Customizable report title and filename
  • Text area for additional information (e.g. shipment information, instructions for the recipient, etc.)
  • Immediate release or quarantine based on alarm status
  • Statistics (min/max, average, alarm) & detailed indicator information (ID, configuration, etc.)
  • Detailed indicator information (ID, configuration, etc.)
0.1 °
Start-up delay
0 minutes to 24 h
ID number (traceable to component level)
PDF Indicator with multiple alarm levels
Type of probe
Internal NTC probe

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