An assessment of moisture induced damage in Blickling Hall in Norfolk, England, via environmental monitoring

Heritage Science

Table 1 Sensors used in the monitoring of Blickling Hall and their specifications

Instrument	Notes
Wind gauge	Speed and direction range: 0–60 m/s and 0–359°
	Speed and direction accuracy: ±2% and ± 3°
	Speed and direction resolution: 0.01 m/s and 1°
	Wind direction range: 0–359° (no dead band)
	Wind direction accuracy: ±3° @12 m/s
	Wind direction resolution: 1°
Horizontal rainfall (HRF) gauge	Tipping bucket rain gauge with resolution of 1 pulse equal to 0.1 mm
Wind-driven rain gauges
Outdoor temperature and RH sensor	−50 to +100 °C for temperature; accuracy ±0.1 °C
Outdoor temperature and RH sensor	0–100% for RH; accuracy ±0.8%
In-wall temperature and relative humidity probes	−40 to +100 °C for temperature; accuracy ±0.1 °C
In-wall temperature and relative humidity probes	0–100% for RH; accuracy ±0.8%
Indoor temperature and RH sensor	−40 °C to +120 °C for temperature; accuracy ± 0.5 °C
Indoor temperature and RH sensor	0–100% for RH; accuracy ±1.5%
Thermocouples	Maximum operating temperature of +350 °C, shielded against solar radiation
Water height sensor	Optimum range: 20.3 cm to 4.0 m
	Maximum range: 6.1 m
	Resolution: 0.344 mm