illuminance in a sentence
Examples
- Incandescent light bulbs also offer much greater illuminance than many other light sources, are relatively low cost and easy to install.
- Achieving an illuminance of 500 lux might be possible in a home kitchen with a single fluorescent light fixture with an output of.
- The corresponding illuminance is then E = LW = 4 * 10-10 lux, which agrees nicely with the first calculation.
- The lighting installation consists of 128 floodlights mounted on four masts 38m in height, and the average vertical illuminance is 1200 lx.
- The amount of daylight received in an internal space can be analyzed by measuring illuminance on a grid or undertaking a daylight factor calculation.
- This direct normal illuminance is related to the solar illuminance constant " E " sc, equal to ( see Sunlight ).
- This direct normal illuminance is related to the solar illuminance constant " E " sc, equal to ( see Sunlight ).
- For general photography, incident-light measurements are usually taken with a hemispherical sensor; the readings cannot be meaningfully related to illuminance.
- Total exposure of the film or sensor, the product of focal-plane illuminance times exposure time, is measured in lux seconds.
- A standard candle ( one candela ) a kilometre away would provide an illuminance of 1 microlux about the same as a magnitude 1 star.