Property talk:P2077

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under pressure
qualifier to indicate at what pressure something took place

Represents	pressure (Q39552)
Data type	Quantity
Template parameter	used in chembox
Domain	chemistry, physic (note: this should be moved to the property statements)
Allowed units	pascal (Q44395), kilopascal (Q21064807), bar (Q103510), standard atmosphere (Q177974), millimetre of mercury (Q6859652), newton per square metre (Q39469927), megapascal (Q21062777), pound per square inch (Q626299), hectopascal (Q5139563) or millibar (Q3495543)
Example	According to this template: sound speed = xx m/s at yy °C and zz bar According to statements in the property: speed of sound (Q124003) → 1 standard atmosphere Sun (Q525) → 265,000,000 kilobar When possible, data should only be stored as statements
Tracking: usage	Category:Pages using Wikidata property P2077 (Q117007335)
Lists	Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value User:Laboramus/Units/P2077 (Units used) Database reports/Constraint violations/P2077
Proposal discussion	Proposal discussion
Current uses	Total 1,695 Main statement 19 1.1% of uses Qualifier 1,676 98.9% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Units: “pascal (Q44395), kilopascal (Q21064807), bar (Q103510), standard atmosphere (Q177974), millimetre of mercury (Q6859652), newton per square metre (Q39469927), megapascal (Q21062777), pound per square inch (Q626299), hectopascal (Q5139563), millibar (Q3495543)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2077#Units

Scope is as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2077#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2077#Entity types

This property is being used by: ca:Plantilla:Infotaula compost químic eu:Txantiloi:Konposatu kimiko infotaula/probak Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

scope

This property was created for measurements, but could it also be used for specifications? For example, diving watches that are rated up to a certain water depth = a certain pressure. If so, how would one model that? Arlo Barnes (talk) 20:33, 29 June 2021 (UTC)

I don't think that there is any such item right now (no subclasses of diving watch (Q678894)), but (1) this is a qualifier, so there should be some statement that can be qualified with it first (like has characteristic (P1552)water resistant (Qxxx)under pressure (P2077)x atm), (2) as a stand-alone property, I think you're looking for something like 'maximum pressure' that would be descriptive enough not to worry about how to model it. Wostr (talk) 21:07, 29 June 2021 (UTC)