exported
equivalent
humidity analyser
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Humidityanalyser
Generated on 2026-05-02
Natural Language Definition
EN
A humidity analyser is an instrument designed to measure and indicate humidity or moisture content in process streams or environments.
PT-BR
Um analisador de umidade é um analisador de processo que é projetado para medir e indicar o conteúdo de umidade ou vapor d'água em correntes de processo ou ambientes.
Formal Axioms
Semi-formal (Aristotelian)
Every humidity analyser is a process analyzer that has the function to measure humidity content.
First-Order Logic Theory
Loading…
▸ Stored override
∀x (HumidityAnalyser(x) ↔ ProcessAnalyzer(x) ∧ ∃f (HumidityMeasurementFunction(f) ∧ hasFunction(x,f)))
OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix : <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix bfo: <http://purl.obolibrary.org/obo/> .
@prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> .
@prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix apv: <http://inf.ufrgs.br/ontologies/apv#> .
### COPI — Core Ontology for Petroleum Installations
### Class module: HumidityAnalyser
<https://www.inf.ufrgs.br/ontologies/copi>
rdf:type owl:Ontology ;
dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ;
dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ;
dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ;
skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ;
skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ;
skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ;
skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ;
owl:versionInfo "1.1.0" ;
owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ;
owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ;
dcterms:creator "Nicolau Oyhenard dos Santos"@en ;
dcterms:contributor "Cauã Antunes" ;
dcterms:contributor "Haroldo Rojas" ;
dcterms:contributor "Rafael Petry" ;
dcterms:contributor "Régis Romeu" ;
dcterms:contributor "Mara Abel" ;
dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ;
dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ;
dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
dcterms:created "2026-04-08"^^xsd:date ;
dcterms:modified "2026-10-08"^^xsd:date ;
apv:GlobalMinLanguageCoverage "en pt-br" ;
apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ;
apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" .
iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ;
apv:MinAnnotationLength 20 .
### Identity-giving function
:COPI_0000180 rdf:type owl:Class ; # HumidityMeasurementFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000549 # HumidityMeasurementProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000549 # HumidityMeasurementProcess
] ;
rdfs:label "humidity measurement function"@en ;
rdfs:label "função de medição de umidade"@pt-br ;
iof-av:naturalLanguageDefinition "A designed function borne by petroleum production equipment whose realization constitutes the measurement and display of the moisture content or relative humidity of a gas stream."@en ;
skos:definition "A designed function borne by petroleum production equipment whose realization constitutes the measurement and display of the moisture content or relative humidity of a gas stream."@en ;
iof-av:naturalLanguageDefinition "Uma função projetada portada por equipamento de produção de petróleo cuja realização consiste em medir e exibir o teor de umidade ou a umidade relativa de uma corrente gasosa."@pt-br .
### Process type
:COPI_0000549 rdf:type owl:Class ; # HumidityMeasurementProcess
rdfs:subClassOf iof-core:MeasurementProcess ;
rdfs:label "humidity measurement process"@en ;
rdfs:label "processo de medição de umidade"@pt-br ;
iof-av:naturalLanguageDefinition "A planned process in which the moisture content or relative humidity of a gas stream is measured by petroleum production instrumentation."@en ;
skos:definition "A planned process in which the moisture content or relative humidity of a gas stream is measured by petroleum production instrumentation."@en ;
iof-av:naturalLanguageDefinition "Um processo planejado em que o teor de umidade ou a umidade relativa de uma corrente gasosa é medido pela instrumentação de produção de petróleo."@pt-br .
iof-core:MeasurementProcess rdf:type owl:Class .
:COPI_0000549 # HumidityMeasurementProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasInput ;
owl:someValuesFrom :COPI_0000037 # PortionOfFluid
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom iof-core:MeasurementInformationContentEntity
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom :COPI_0000046 # VisualIndication
] .
### Equipment universal: HumidityAnalyser
:COPI_0000125 rdf:type owl:Class ; # HumidityAnalyser
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
:COPI_0000091 # Instrument
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000180 # HumidityMeasurementFunction
]
)
] ;
rdfs:label "humidity analyser"@en ;
rdfs:label "analisador de umidade"@pt-br ;
iof-av:naturalLanguageDefinition "A humidity analyser is an instrument designed to measure and indicate humidity or moisture content in process streams or environments."@en ;
skos:definition "A humidity analyser is an instrument designed to measure and indicate humidity or moisture content in process streams or environments."@en ;
iof-av:naturalLanguageDefinition "Um analisador de umidade é um analisador de processo que é projetado para medir e indicar o conteúdo de umidade ou vapor d'água em correntes de processo ou ambientes."@pt-br ;
iof-av:semiFormalNaturalLanguageAxiom "Every humidity analyser is a process analyzer that has the function to measure humidity content."@en ;
iof-av:firstOrderLogicAxiom "∀x (HumidityAnalyser(x) ↔ ProcessAnalyzer(x) ∧ ∃f (HumidityMeasurementFunction(f) ∧ hasFunction(x,f)))"@en .
# Disjointness: HumidityAnalyser and TemperatureTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000125 :COPI_0000155 ) . # HumidityAnalyser, TemperatureTransmitter
# Disjointness: HumidityAnalyser and PressureTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000125 :COPI_0000144 ) . # HumidityAnalyser, PressureTransmitter
# Disjointness: HumidityAnalyser and FlowMeter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000125 :COPI_0000278 ) . # HumidityAnalyser, FlowMeter
Axiomatization Decision Log
1
Identity-Giving Function
Function class
HumidityMeasurementFunction
⊑ DesignedFunction
Realized in
HumidityMeasurementProcess
⊑ MeasurementProcess
The identity-giving function is to measure humidity content in a process stream or environment. This is a specialized measurement function that determines the water vapor content in gases or the moisture content in materials, which is distinct from other measurement functions like temperature or pressure measurement.
2
Genus Determination
Instrument
A humidity analyser is a specialized process analyzer that measures humidity rather than other chemical properties. The parent candidate 'analysing instrument' suggests this is part of the analyzer family. ProcessAnalyzer is the appropriate genus as it captures instruments that analyze process parameters for control and monitoring purposes. Since ProcessAnalyzer is not in the enriched list, genus_enriched=false.
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
These parts are essential for any humidity measurement device - a sensing element, signal processing capability, and protective housing are universal requirements regardless of the specific sensing technology employed.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
PortionOfFluid
— gas or air sample containing water vapor
Outputs (O)
MeasurementInformationContentEntity
— represents humidity content
VisualIndication
— optional display of humidity value
Transformation (T)
transduction of humidity content to measurable electrical or optical signal
The analyzer takes a fluid sample (typically gas/air) as input and transforms the humidity content into a measurement signal and/or visual indication through physical transduction principles.
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
Disjointness Axioms
temperature transmitter
pressure transmitter
flow meter
C?: temperature transmitter [kind_ambiguous]. C?: pressure transmitter [kind_ambiguous]. C?: flow meter [kind_ambiguous]. These instruments measure fundamentally different physical parameters (temperature, pressure, flow rate) and have incompatible process signatures - they cannot simultaneously be humidity analyzers.
Cross-Standard Observations
Only one source (CFIHOS) defines this concept. The definition emphasizes both indication and signal transmission capabilities, suggesting it covers both local indicators and transmitters. The extensive explosion protection properties indicate this equipment is commonly used in hazardous area applications.
Source Definitions
1 source
CFIHOS
humidity analyser
Definition text withheld (copyrighted standard) — follow the source link above.
Metadata
| Ontology | COPI |
| Research group | INF-UFRGS-Ontologies |
| Funding | CNPq INF-UFRGS-ENERGIA |
| Project | OntoKG / Petrobras |
| ID | #242 |
| Cluster | humidity analyser |
| Status | exported |
| Axiom mode | equivalent |
| Created | 2026-05-02 |
| Updated | 2026-09-08 |
ISA 5.1-2022 P&ID Symbol
5_2_3/000_conductivity_moisture_etc.png
