PeakTech 4975 Bedienungsanleitung Seite 16

8.5 Emissivity Values
Substance Thermal
emissivity
Asphalt 0,90 to 0,98
Concrete 0,94
Cement 0,96
Sand 0,90
Earth 0,92 to 0,96
Water 0,92 to 0,96
Ice 0,96 to 0,98
Snow 0,83
Glass 0,90 to 0,95
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
All rights, also for translation, reprinting and copy of this manual or
parts are reserved.
Reproduction of all kinds (photocopy, microfilm or other) only by
written permission of the publisher.
This manual considers the latest technical knowing. Technical
changing which are in the interest of progress reserved.
We herewith confirm, that the units are calibrated by the factory
according to the specifications as per the technical specifications. We
recommend to calibrate the unit again, after 1 year.
®
© PeakTech 12/2009/Th/pt
Heinz-Günter Lau GmbH - Kornkamp 32 - DE-22926 Ahrensburg / Germany
+49-(0) 4102-42343/44
info@peaktech.de
Substance Thermal
emissivity
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
+49-(0) 4102-434 16
www.peaktech.de
PeakTech
®
Bedienungsanleitung /
operation manual
Infrarot - Thermometer /
Infrared - Thermometers
Modell 4975 (-50°C...+550°C)
Modell 4980 (-50°C...+800°C)
4975 / 4980