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How to Convert from Candela/square inch to Blondel?
Learn how to convert luminance values from candela per square inch to the historic blondel unit. This guide explains definitions, use cases, and conversion steps to bridge modern and legacy photometric measurements.
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Candela/square inch to Blondel Conversion Table
| Candela/square inch | Blondel |
|---|
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.
| Candela/square inch | Blondel |
|---|
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What Is This Tool?
This converter allows users to change luminance values from candela per square inch, a modern unit measuring luminous intensity over an inch-based surface area, into blondel, an older photometric unit formerly used in lighting engineering. It is useful for comparing contemporary data with historical references.
How to Use This Tool?
- Enter the luminance value in candela per square inch
- Select the units to convert from and to, here candela per square inch to blondel
- Click convert to get the equivalent luminance in blondel
- Use the result to compare or interpret photometric data from different eras
Key Features
- Converts luminance values between candela per square inch and blondel
- Useful for photometry, display technology, and lighting engineering
- Supports interpretation of historical luminance data
- Browser-based and easy to use
Examples
- 2 candela per square inch equals 9738.9567040418 blondel
- 0.5 candela per square inch equals 2434.73917601045 blondel
Common Use Cases
- Specifying brightness for CRT and early flat-panel displays
- Describing brightness of instrument panel backlights and automotive indicators
- Converting contemporary inch-based luminance data to blondel for historical comparison
- Analyzing old lighting-engineering measurements alongside modern units
Tips & Best Practices
- Use this converter when dealing with legacy photometric literature referencing blondel
- Check the measurement context to avoid errors from differing historical standards
- Use conversions primarily for archival or comparative research purposes
- Confirm unit selections carefully to ensure accurate conversions
Limitations
- Blondel is an obsolete unit largely replaced by candela per square metre
- Conversions may not reflect differences in measurement conditions over time
- The unit is no longer supported in most modern standards
- Use primarily for historical data interpretation, not modern engineering design
Frequently Asked Questions
- Why convert candela/square inch to blondel?
- Conversion helps interpret luminance values found in older photometric literature and compare them with modern measurements using inch-based units.
- Is the blondel still used in modern photometry?
- No, the blondel is obsolete and replaced by the SI unit candela per square metre, but it appears in historical references.
- Can I use this conversion for designing new displays?
- Conversions are mainly for historical comparison and archival research, not for current display design purposes.
Key Terminology
- Candela per square inch
- A luminance unit measuring luminous intensity distributed over one square inch of surface, used in photometry and display engineering.
- Blondel
- An obsolete photometric unit of luminance named after engineer André Blondel, superseded by candela per square metre.
- Luminance
- The measure of luminous intensity per unit apparent area in a given direction.