Extech Instruments RH101 User Manual

RH101-EU V3.0 11/07
6
Thermal Emissivity Table for Common Materials
Material Emissivity
Asphalt 0.90 to 0.98
Concrete 0.94
Cement 0.96
Sand 0.90
Earth 0.92 to 0.96
Water 0.67
Ice 0.96 to 0.98
Snow 0.83
Glass 0.85 to 1.00
Ceramic 0.90 to 0.94
Marble 0.94
Plaster 0.80 to 0.90
Mortar 0.89 to 0.91
Brick 0.93 to 0.96
Cloth (black) 0.98
Human skin 0.98
Lather 0.75 to 0.80
Charcoal (powder) 0.96
Lacquer 0.80 to 0.95
Lacquer (matt) 0.97
Rubber (black) 0.94
Plastic 0.85 to 0.95
Timber 0.90
Paper 0.70 to 0.94
Chromium oxides 0.81
Copper Oxides 0.78
Iron Oxides 0.78 to 0.82
Textiles 0.90
Maintenance
Cleaning and storage
1. The meter should be cleaned with a damp cloth and mild detergent when necessary.
Do not use solvents or abrasives.
2. Store the meter in an area with moderate temperature and humidity.

Extech Instruments RH101 Specifications

General

Brand	Extech Instruments
Model	RH101
Category	Thermometer
Language	English