Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection. Glossary - Piezoelectric materials. Synthetic quartz crystal has-tracked-changes Rectangular: outside dimensions up to

Rectangular: outside dimensions up to 500mm x 300mm

use and interpretation of results when using biological indicators can be found in ISO 14161

and requalification

It assists the fire engineering community in formulating fire-fighting strategies for the protection of buildings and complements the guidance provided in BS 5306-0 Fire protection installations and equipment on premises

Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection. Glossary - Piezoelectric materials. Synthetic quartz crystal has-tracked-changes Rectangular: outside dimensions up toWhat is this standard about? This part of IEC 61994 gives the terms and definition for synthetic quartz crystals representing the state of the art, which are intended for manufacturing piezoelectric and optical elements.