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How to Convert from Carcel Unit to Pentane Candle (10 Candle Power)
Easily convert luminous intensity measurements from the historical Carcel unit to the Pentane candle (10 candle power) using this straightforward online tool. Understand the context and applications of these obsolete units in lighting history.
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Carcel unit to Pentane candle (10 candle power) Conversion Table
| Carcel unit | Pentane candle (10 candle power) |
|---|
Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Carcel unit | Pentane candle (10 candle power) |
|---|
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What Is This Tool?
This converter transforms luminous intensity values from the Carcel unit, a 19th century oil lamp-based measure, to the Pentane candle (10 candle power), a historical candle-based unit. It helps interpret and translate lighting data from early photometric standards.
How to Use This Tool?
- Enter the luminous intensity value in Carcel units
- Select 'Carcel unit' as the source unit
- Select 'Pentane candle (10 candle power)' as the target unit
- Click convert to view the equivalent value in Pentane candle units
Key Features
- Converts luminous intensity between Carcel and Pentane candle units
- Reflects historical lighting measurement standards from the 19th and early 20th centuries
- User-friendly and browser-based for quick reference
- Supports interpretation of archival lighting documentation and museum research
Examples
- 1 Carcel unit equals approximately 0.961 Pentane candle (10 candle power)
- 5 Carcel units convert to about 4.805 Pentane candle (10 candle power)
Common Use Cases
- Translating historical luminous intensity figures between 19th century lighting units
- Comparing brightness of antique oil lamps and candles from early lighting records
- Supporting museum curators and researchers in documenting period illumination
- Interpreting early photometric measurements and lighting regulations
Tips & Best Practices
- Use this tool primarily for historical, interpretive, or comparative lighting analysis
- Cross-reference converted values with period documentation for context
- Understand that both units are obsolete and based on specific lamp or candle designs
- Avoid using these conversions for modern scientific or engineering measurements
Limitations
- Both Carcel and Pentane candle units are obsolete and non-SI measures
- Conversion relies on approximations from specific historical light sources
- Results serve interpretive and comparative purposes rather than precise measurements
- Variability in original lamp and candle standards may affect accuracy
Frequently Asked Questions
- What is the Carcel unit?
- The Carcel is a 19th century luminous intensity unit based on the light from a standard oil lamp burning colza oil under specific conditions.
- How is the Pentane candle (10 candle power) defined?
- It is a historical unit representing ten times the candle power of a standard candle burning pentane, used before the candela became the SI standard.
- Can I use this conversion for modern lighting measurements?
- No, these units are obsolete and conversions are meant only for interpreting historical lighting data rather than modern precision measurements.
Key Terminology
- Carcel unit
- A historical luminous intensity unit defined by the standard 19th century 'Carcel' oil lamp using rapeseed oil under fixed conditions.
- Pentane candle (10 candle power)
- A non-SI unit of luminous intensity equal to ten times the brightness of a standard candle burning pentane, used historically.
- Luminous intensity
- A measure of the wavelength-weighted power emitted by a light source in a particular direction.