Electronic water permeation test card. Close-up of a glass test card for the Electrical Ca Test assembly,used to detect incoming moisture. NREL's (National Renewable Energy Laboratory) electrical Ca test (or water permeation test method) measures water permeating through thin film barriers and provides an electrical measurement. Photographed at NREL,Colorado,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US DEPARTMENT OF ENERGY / NREL / Dennis Schroeder |
Bildgröße: | 2990 px × 2934 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |