Humidifiers help keep ‘The Laughing Cavalier’ smiling

Cavalier
‘The Laughing Cavalier’ by Frans Hals, 1624, is one of the exhibits in the Wallace Collection which is protected by strictly controlled humidity levels delivered by HygroMatik CompactLine steam humidifiers. (Photo. by kind permission of the trustees of the Wallace Collection.)
10-year-old humidifiers that contributed to the strictly controlled environment in the London museum that houses the Wallace Collection, which includes the painting ‘The Laughing Cavalier’, have been replaced by HygroMatik CompactLine steam humidifiers. They will play a key role in protecting the collection, which includes veneered furniture. 35 of these humidifiers have been installed to preserve exhibits in the 25 galleries, as well as those being conserved in the workshops. The high-performance micro-processor controllers in HygroMatik humidifiers ensure they react quickly and accurately to any change in humidity. David Edge, head of conservation at the museum, explains, ‘The overall aim is to maintain the gallery temperature at 20°C with a relative humidity of 55%. We do this through two plantrooms, one on the lower ground floor to maintain a stable temperature and humidity throughout the ground-floor galleries and another on the second floor doing the same for the first-floor galleries. HygroMatik products accept all standard control signals. Remote-control or master-slave operations are available as options. Steam-generating capacities of CompactLine unit range from 6 to 58 kg/h.
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