262 lines
8.9 KiB
YAML
262 lines
8.9 KiB
YAML
# TemperatureDeviation - Structured temperature tolerance/deviation specification
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# Created per slot_fixes.yaml migration for: temperature_tolerance
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# Migration: temperature_tolerance → allows_or_allowed + TemperatureDeviation
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# Creation date: 2026-01-16
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# Rule 53: No bespoke slots - use generic, reusable patterns
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# Rule 56: Semantic consistency over simplicity
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id: https://nde.nl/ontology/hc/class/TemperatureDeviation
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name: TemperatureDeviation
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title: Temperature Deviation Class
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prefixes:
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linkml: https://w3id.org/linkml/
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hc: https://nde.nl/ontology/hc/
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qudt: http://qudt.org/schema/qudt/
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brick: https://brickschema.org/schema/Brick#
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schema: http://schema.org/
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crm: http://www.cidoc-crm.org/cidoc-crm/
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wd: http://www.wikidata.org/entity/
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default_prefix: hc
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imports:
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- linkml:types
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- ../slots/has_or_had_quantity
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- ../slots/has_or_had_measurement_unit
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- ../slots/has_or_had_description
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- ../slots/has_or_had_label
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- ./Quantity
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- ./MeasureUnit
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classes:
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TemperatureDeviation:
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class_uri: qudt:Tolerance
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description: >-
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Structured specification of allowed temperature deviation/tolerance.
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**DEFINITION**:
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Represents the acceptable range of temperature variation from a setpoint,
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typically expressed as ±X degrees Celsius (e.g., ±2°C).
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**ONTOLOGY MAPPING**:
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- class_uri: qudt:Tolerance (QUDT tolerance concept)
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- close_mapping: brick:Temperature_Deadband (building automation)
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**ISO STANDARD REFERENCE VALUES**:
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| Standard | Context | Typical Tolerance |
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|----------|---------|-------------------|
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| ISO 11799:2015 | Archives | ±2°C daily |
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| ISO 18911:2010 | Cold/Frozen Storage | ±2°C |
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| BS 4971:2017 | UK Sensitive Materials | ±1°C |
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| EN 16893:2018 | Museums | ±2°C recommended |
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**PRESERVATION CONTEXT**:
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Temperature fluctuations cause dimensional changes in hygroscopic materials
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(paper, parchment, leather, textiles). Repeated cycling leads to mechanical
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fatigue and cumulative damage. Tighter tolerances are critical for mixed
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media objects (e.g., oil paintings on canvas).
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**WHY NOT JUST FLOAT?**
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Simple float fields like `temperature_tolerance: 2.0` lose important context:
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- What's the unit? (Celsius? Fahrenheit?)
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- Is this plus/minus or just plus?
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- What standard is this based on?
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- When was this tolerance established?
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**MIGRATION NOTE**:
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This class replaces the bespoke `temperature_tolerance` slot (float range).
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Used via the generic `allows_or_allowed` slot per Rule 53/56.
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**EXAMPLE**:
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```yaml
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EnvironmentalZone:
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allows_or_allowed:
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- deviation_value: 2.0
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deviation_direction: PLUS_MINUS
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has_or_had_measurement_unit:
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has_or_had_type: DEGREE_CELSIUS
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has_or_had_symbol: "°C"
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iso_standard_reference: "ISO 11799:2015"
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```
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exact_mappings:
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- qudt:Tolerance
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close_mappings:
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- brick:Temperature_Deadband
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- crm:E54_Dimension
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related_mappings:
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- wd:Q11466 # temperature
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- schema:additionalProperty
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slots:
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- has_or_had_quantity
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- has_or_had_measurement_unit
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- has_or_had_description
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- has_or_had_label
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attributes:
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deviation_value:
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range: float
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required: true
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minimum_value: 0.5
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maximum_value: 5.0
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description: >-
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Numeric value of the allowed deviation (e.g., 2.0 for ±2°C).
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Typical ranges:
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- 0.5-1.0: Precision cold storage, sensitive materials
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- 1.0-2.0: Standard archive/museum storage
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- 2.0-3.0: General storage, less sensitive materials
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examples:
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- value: 2.0
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description: Standard tolerance for archive storage (ISO 11799)
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- value: 1.0
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description: Tight tolerance for sensitive materials (BS 4971)
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- value: 0.5
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description: Very tight tolerance for precision cold storage
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deviation_direction:
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range: DeviationDirectionEnum
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required: false
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ifabsent: 'string(PLUS_MINUS)'
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description: >-
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Direction of deviation.
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- PLUS_MINUS: Symmetric tolerance (±2°C) - most common
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- PLUS: Only above target allowed (+2°C)
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- MINUS: Only below target allowed (-2°C)
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examples:
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- value: PLUS_MINUS
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description: Symmetric tolerance (±2°C)
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- value: PLUS
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description: Asymmetric - only positive deviation allowed
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iso_standard_reference:
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range: string
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required: false
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description: >-
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ISO or other standard this tolerance is based on.
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examples:
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- value: "ISO 11799:2015"
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description: Archive storage standard
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- value: "ISO 18911:2010"
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description: Cold storage standard
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- value: "BS 4971:2017"
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description: UK conservation standard
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slot_usage:
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has_or_had_quantity:
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range: Quantity
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required: false
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inlined: true
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description: >-
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Alternative structured representation using Quantity class.
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For complex scenarios requiring full provenance tracking.
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examples:
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- value:
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quantity_value: 2.0
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quantity_type: TEMPERATURE_TOLERANCE
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has_or_had_measurement_unit:
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has_or_had_type: DEGREE_CELSIUS
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has_or_had_symbol: "°C"
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description: Structured quantity representation
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has_or_had_measurement_unit:
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range: MeasureUnit
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required: false
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inlined: true
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description: >-
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Unit of measurement (typically degree Celsius).
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If not specified, defaults to Celsius per ISO standards.
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examples:
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- value:
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has_or_had_type: DEGREE_CELSIUS
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has_or_had_symbol: "°C"
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description: Celsius unit (default)
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has_or_had_description:
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range: string
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required: false
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description: >-
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Additional notes about this tolerance setting.
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examples:
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- value: "Tighter tolerance required for daguerreotype collection"
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has_or_had_label:
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range: string
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required: false
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description: >-
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Human-readable label for this tolerance specification.
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examples:
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- value: "Archive Standard Tolerance"
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- value: "Cold Storage Precision Tolerance"
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comments:
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- MIGRATED from temperature_tolerance slot (float) per Rule 53/56
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- Used via allows_or_allowed slot for temporal flexibility
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- Companion to humidity_tolerance migration (HumidityDeviation class)
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- Setpoint class already handles target values - this handles deviations
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see_also:
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- https://www.iso.org/standard/63810.html # ISO 11799
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- https://www.iso.org/standard/46602.html # ISO 18911
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- http://qudt.org/schema/qudt/Tolerance
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annotations:
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specificity_score: "0.65"
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specificity_rationale: "Specialized for environmental control in storage facilities"
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qudt_unit: "unit:DEG_C"
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ucum_code: "Cel"
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iso_reference: "ISO 11799:2015, ISO 18911:2010, BS 4971:2017"
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preservation_parameter: "true"
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examples:
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- value:
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deviation_value: 2.0
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deviation_direction: PLUS_MINUS
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has_or_had_measurement_unit:
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has_or_had_type: DEGREE_CELSIUS
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has_or_had_symbol: "°C"
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iso_standard_reference: "ISO 11799:2015"
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has_or_had_label: "Standard Archive Tolerance"
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has_or_had_description: "Per ISO 11799:2015 for paper-based materials"
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description: Standard archive storage tolerance (±2°C)
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- value:
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deviation_value: 1.0
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deviation_direction: PLUS_MINUS
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has_or_had_measurement_unit:
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has_or_had_type: DEGREE_CELSIUS
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has_or_had_symbol: "°C"
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iso_standard_reference: "BS 4971:2017"
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has_or_had_label: "Sensitive Materials Tolerance"
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description: Tight tolerance for sensitive materials (±1°C)
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- value:
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deviation_value: 0.5
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deviation_direction: PLUS_MINUS
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iso_standard_reference: "ISO 18911:2010"
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has_or_had_description: "Precision cold storage for film negatives"
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description: Very tight tolerance for precision cold storage
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enums:
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DeviationDirectionEnum:
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description: >-
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Direction of allowed deviation from a setpoint.
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permissible_values:
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PLUS_MINUS:
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description: Symmetric tolerance - deviation allowed in both directions (±)
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PLUS:
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description: Asymmetric - only positive deviation allowed (+)
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MINUS:
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description: Asymmetric - only negative deviation allowed (-)
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