Preserving the Magna Carta with Temperature and Humidity Monitoring
By: CAS DataLoggers
In 1215, England's King John created the Magna Carta, the charter of liberties granted to the King's Barons in order to halt their rebellion and restore their allegiance to his throne. When the Magna Carta (https://en.wikipedia.org/
Installation / Usage
The Library of Congress selected the T&D TR-702NW-H high precision data logger. This logger has been discontinued and no longer available for purchase. The logger featured a high precision temperature and humidity sensor, local LCD display and wired Ethernet connection. The network connection allowed the logger to automatically send data files to a network server for archive as well as communicate to the SMTP e-mail server to send out alert notifications in the event the environmental conditions exceed the user-configured limits.
Large local memory of 8,000 temperature and 8,000 humidity readings, 0.3 Degrees C and +/- 2.5 %RH accuracy over a wide range -30 to 80 Degree C and 0 – 99% relative humidity position the instrument for a wide variety of environmental monitoring applications protecting sensitive materials and products.
Importance of Preservation
According to the archivists, preservation of the document is critical during the exhibition. Humidity can cause parchment to attempt to revert back to the natural shape which would distort the print since the ink remains stable. The TR-701NW-H is a small, unobtrusive device making it ideal for use in exhibits like this. Having accurate recording of the environment, an reliable temperature and humidity monitoring system with alerting in the event of excursions provides both the document's owner and the exhibitor peace of mind.
CAS Dataloggers distributes the full line of T&D data logger products (https://www.dataloggerinc.com/
For more information on T&D Data Loggers (https://www.dataloggerinc.com/