BS EN IEC 63041-2:2018 pdf download.Piezoelectric sensors
1 Scope
This part of IEC 63041 is applicable to piezoelectric chemical sensors mainly used in the field of biological, medical, gas and environmental sciences. It provides users with technical guidelines on biochemical sensors as well as basic knowledge of common chemical sensors.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references， only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60027 (all parts), Letter symbols to be used in electrical technology
IEC 60050-561-:2014，International Electrotechnical Vocabulary 一Part 561: Piezoelectric,dielectric and electrostatic devices and associated materials for frequency control, selection and detection
3.1 General
For the purpose of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses;
●IEC Electropedia: available at http://www.electropedia. org/
●ISO Online browsing platform: available at http://www.iso.org/obp
Units，letter symbols and terminology shall, wherever possible, be taken from the following standards: IEC 60027, IEC 60050-561, IEC 60617, IEC 63041-1, and ISO 80000-1.
NOTE 1 In the market of chemical and biochemical sensors, the terms related in fields such as chemistry,biochemistry, healthcare, etc. are widely used.
NOTE 2 Piezoelectric sensors covered herein are those used for the detection and measurement of either chemical substance in the gas phase or biological molecules in aqueous media.
3.2.1 piezoelectric chemical sensor element
piezoelectric sensor component including a sensitive layer (target recognition material), which is necessary for the practical measurement of simple non-biological molecules in quantity,and which works and detects chemical substances mainly in the gas phase
Note 1 to entry: For example, there are odour sensors, vapour sensors, smoke sensors, etc.[SOURCE: IEC 63041-1:2017, 3.3.1, modified一Note 1 to entry has been added.]
3.2.2 piezoelectric biochemical sensor element
piezoelectric sensor component including a receptive layer (target recognition material), which is necessary for the practical measurement of complex biological molecules in quantity, and which works mainly in aqueous media and detects biomolecules therein[SOURCE: IEC 63041-1:2017, 3.3.2]
4.1 General
Chemical and biochemical sensors are used in various applications, for example, in the detection of target molecules/substances, the detection of growth, decrease, differentiation and cohesion in cells, the detection of adsorption or absorption, the confirmation of the competition reaction, etc. Concepts and specifications for chemical and biochemical sensors are shown in detail in 4.2 to 4.5.BS EN IEC 63041-2 pdf download.