Features:

• 2-Way RS-232C Communication
• Flareless SLR optical system for accurate measurements
• Narrow acceptance angle for measurements of small specimens
• User calibration and color-correction functions
• Luminance ratio and peak luminance measurements
• RS-232C data output
• Lightweight, compact design powered by a single 9V battery for portability

Applications:

• Measures luminous intensity of backlit displays, light sources (tungsten, fluorescent, etc.); roadway/ billboard lighting and signage.

• Used extensively in aircraft, automotive, office and outdoor lighting.
  
  
  

  Model	Luminance Meter LS-100	Luminance Meter LS-110
  Type	SLR spot luminance meter for measuring light-source and surface brightness
  Acceptance angle	1°	1/3°
  Optical system	85mm f/2.8 lens; SLR viewing system; flare factor less than 1.5%
  Angle of view	9°
  Focusing distance	1014mm (40 in.) to infinity
  Minimum measuring area	Φ14.4mm	Φ4.8mm
  Receptor	Silicon photocell
  Relative Spectral Response*	Within 8% (f1´) of the CIE spectral luminous efficiency V (λ)
  Response time	FAST: Sampling time: 0.1s, time to display: 0.8 to 1.0s; SLOW: Sampling time: 0.4s, time to display: 1.4 to 1.6s
  Luminance units	cd/m2 or fL (switchable)
  Measuring range	FAST: 0.001 to 299,900cd/m2 (0.001 to 87,530fL) SLOW: 0.001 to 49,990cd/m2 (0.001 to 14,590fL)	FAST: 0.01 to 999,900cd/m2 (0.01 to 291,800fL) SLOW: 0.01 to 499,900cd/m2 (0.01 to 145,900fL)
  Accuracy	0.001 to 0.999cd/m2 (or fL): ±2% ±2 digits of displayed value 1.000cd/m2 (or fL) or greater: ±2% ±1 digit of displayed value	0.01 to 9.99cd/m2 (or fL): ±2% ±2 digits of displayed value 10.00cd/m2 (or fL) or greater: ±2% ±1 digit of displayed value
  	(Illuminant A measured at ambient temperature of 20 to 30°C/68 to 86°F)
  Repeatability	0.001 to 0.999cd/m2 (or fL): ±0.2% ±2 digits of displayed value 1.000cd/m2 (or fL) or greater: ±0.2% ±1 digit of displayed value	0.01 to 9.99cd/m2 (or fL): ±0.2% ±2 digits of displayed value 10.00cd/m2 (or fL) or greater: ±0.2% ±1 digit of displayed value
  	(Measurement subject: Illuminant A)
  Temperature/humidity drift	Within ±3% ±1 digit (of value displayed at 20°C/68°F) within operatingtemperature /humidity range
  Calibration mode	Minolta standard/user-selected standard (switchable)
  Color correction factor	Set by numerical input; range: 0.001 to 9.999
  Reference luminance	1; set by measurement or numerical input
  Measurement modes	Luminance; luminance ratio; peak luminance or luminance ratio
  Display	External: 4-digit LCD with additional indications
  	Viewfinder: 4-digit LCD with LED backlight
  Data communication	RS-232C; baud rate: 4800bps
  External control	Measurement process can be started by external device connected to data output terminal
  Power source	One 9V battery; power can also be supplied by optional Data Printer DP-10
  Power consumption	While measuring button is pressed and viewfinder display is lit: 16mA average While power is on and viewfinder display is not lit: 6mA average
  Operating temperature/humidity range	0 to 40°C, relative humidity 85% or less (at 35°C) with no condensation
  Storage temperature /humidity range	-20 to 55°C, relative humidity 85% or less (at 35°C) with no condensation
  Dimensions	79×208×150mm (3-1/8×8-3/16×5-7/8 in.)
  Weight	850g (30 oz.) without battery
  Standard accessories	Lens cap; Eyepiece cap; ND eyepiece filter; 9V battery; Case