HD500-en-GB_v3.4 4/15
7
Thermal Emissivity Table for Common Materials
Material Emissivity Material Emissivity
Asphalt 0.90 to 0.98 Cloth (black) 0.98
Concrete 0.94 Human skin 0.98
Cement 0.96 Leather 0.75 to 0.80
Sand 0.90 Charcoal (powder) 0.96
Earth 0.92 to 0.96 Lacquer 0.80 to 0.95
Water 0.67 Lacquer (matt) 0.97
Ice 0.96 to 0.98 Rubber (black) 0.94
Snow 0.83 Plastic 0.85 to 0.95
Glass 0.85 to 1.00 Timber 0.90
Ceramic 0.90 to 0.94 Paper 0.70 to 0.94
Marble 0.94 Chromium oxides 0.81
Plaster 0.80 to 0.90 Copper Oxides 0.78
Mortar 0.89 to 0.91 Iron Oxides 0.78 to 0.82
Brick 0.93 to 0.96 Textiles 0.90
Specifications
General Specifications
Display Dual Display Multi-function LCD with 9999 counts
Data Hold Freezes displayed reading
Sampling rate 1 reading per second
Sensors Relative Humidity: Capacitance, Air Temp: Thermistor
IR Distance to Spot ratio 30:1
IR Spectral response 6 to 14µm
IR Emissivity 0.95 fixed
MIN-MAX Record and Recall lowest and highest readings
Auto Power OFF Automatic shut off after 15 minutes (can be disabled)
PC Interface USB PC Communication with supplied software and cable for data
acquisition
Over range indication Dashes appears on the LCD
Low battery indication Battery symbol appears on the LCD
Power supply 9V Battery
Operating conditions Meter: 0 to 50
o
C (32 to 122
o
F); 80% RH max.
Dimensions / Weight Main instrument: 257 x 76 x 53mm (10.1 x 3.0 x 2")
Weight 355g (12.5 oz.)
