HD550-EU-EN V1.1 07/13
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 type / 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 (software HELP utility contains User Guide)
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)
