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Rubens Masterpiece Gets Hanwell Protection

Amzeal News/10350761
Amzeal -- Hanwell Solutions (https://hanwell.com/) Ltd's unique environmental monitoring system, has been installed around the famous Rubens' ceiling paintings in London's historic Banqueting House in Whitehall for some years, but was recently updated to provide several significant improvements.

Multi-award-winning Hanwell is the UK's leading manufacturer of wireless environmental monitoring equipment, its instruments playing a major part in protecting famous heritage and historic landmarks, including the only three surviving in-situ ceiling canvas paintings by Flemish artist, Sir Peter Paul Rubens.

One of the original challenges facing the team from Historic Royal Palaces was being able to gain accurate temperature and humidity data near to the surfaces of the canvases.

Hanwell originally installed traditional temperature and humidity sensors, which provided the much-needed data required by the conservators to assist in establishing the condition of the canvases. An inherent problem with relative humidity sensors is the need for regular calibration in order to continually provide accurate and reliable data. Due to placement of most sensors, extensive scaffolding is required which is extremely costly and disruptive, therefore regular sensor calibration to ensure completely reliable results was not possible.

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Due to Hanwell's ability to develop bespoke solutions an innovative solution was developed using existing high stability temperature sensors. The stability of these sensors – the fact that they rarely "drift" - has been proven in field service over 20 years.

Using these sensors, and one single Temperature and Relative Humidity (T/RH) sensor, Hanwell wrote a custom algorithm to calculate the Relative Humidity at the ceiling based on the temperature measured there, eliminating the need for inaccessible sensors to be calibrated. Two groups of sensors were installed, one linked to the space above and one linked to the space below the ceiling. Each group consists of several temperature-only sensors and one T/RH sensor. The RH levels at the ceiling are calculated and converted to signals from virtual T/RH sensors which are then displayed in the Hanwell software for monitoring and reporting purposes. The only sensor requiring calibration in each group is the single T/RH sensor which is easily accessible.

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Stable environmental conditions are vital for art collections to help prevent damage to paintings, drawings, prints, mosaics, sculptures and buildings. The accuracy and flexibility of environmental management provided by Hanwell potentially protects heritage sites from damage to irreplaceable historical and cultural items by instantly warning of compromised conditions.

Hanwell's highly innovative environmental monitoring platforms provide maximum flexibility and enhanced control of data and events from anywhere in the world via cloud or server-based configuration. Interactive graphs, tables and plan views enable users to easily analyse data in multiple ways, and user access levels can be managed through customisable groups.

Allott and Associates

Source: Hanwell
Filed Under: Technology

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