light meter

n.

曝光表；

Light meter
Light meter
Light meter
Garden and home Light Meter
A simple light meter for measurements of PAR (400 to 700 nm) with fiber-optic microprobes: Application for P vs. E 0 (PAR) measureme...
Assessing seasonal leaf area dynamics and vertical leaf area distribution in eastern white pine (Pinus strobus L.) with a portable l...
A simple, robust lightmeter for measuring light in orchards.
A Spectral Light Meter: Its Construction, Calibration, and Use
Dental lights, light meters, and light meter readings
MEASURING THE NIGHT SKY BRIGHTNESS WITH THE LIGHTMETER
A simple and inexpensive 4π light collector and two designs for a light meter for light attenuation studies
chemical light meter for forest research
A light-meter method for assessment of blind areas in operator field of view.