ST520 Precision Digital LUX Meter Illuminometer Color Meter Chroma Light Meter Measuring Range 0~80,000 lx
Features
Precision instrument for light luminance and color coordinate
Meet CIE (International Commission on Illumination) photopic spectral response
Color temperature or Correlated color temperature
Custom reference value of color difference mode
Lux or foot-candle unit selection
Magnetic mount
Tripod socket
| |
| Specifications |
|
| Receptor |
Silicon photocell |
| Measuring Function |
Illuminance: Ev (lx or fcd)
Color Coordinate: (x,y), (u',v') (CIE 1960)
Correlated Color Temperature: CT, Δuv
Color Difference:(ΔEv,Δx,Δy), (ΔEv,Δu',Δv'), (ΔEv,Δu'v'), (One set of reference color)
|
| Measuring Range |
Ev=0~80,000 lx (0~7,432 fcd); CT 99,990K Max. |
| Accuracy
(at 25°C/77°F, 60%RH)
|
Ev: ±(3%+2 digital) (3,000 lx, standard illuminant A measured)
x, y: ±0.02 (100 lx, RGB LED light)
|
| Resolution |
Ev: 0~9999 lx: 1 lx, Over 10000 lx: 10 lx;
0.0~999.9 fcd: 0.1 fcd, Over 1000 fcd: 1 fcd;
CT: 0~9999 K: 1 K, Over 10000 K: 10 K;
x, y: 0.001; u'v': 0.001
|
| Response Time |
Approx. 1 sec. |
| Temperature Drift |
Ev: ±(5%+2 digital) (3,000 lx, standard illuminant A measured)
x, y: ±0.008 (100 lx, RGB LED light)
|
| Humidity Drift |
Ev: ±(3%+2 digital) (3,000 lx, standard illuminant A measured)
x, y: ±0.005 (100 lx, RGB LED light)
|
| Operation Temperature |
0~50°C (32~122°F, <80%RH)
|
| Store Temp. |
-10~60°C (14~140°F, <80%RH)
|
| Dimensions |
Main Instrument: 140 X 49 X 29mm ( 5.51" x1.93"x1.14")
Sensor Probe: 165 X 50 X 36mm ( 6.50" x1.97"x1.42")
|
| Weight |
179g (6.31 oz.) without battery
|
| Accessory |
9V Battery, Instruction manual, Carrying Case
|
|
Applications
Color LED Lighting
Commerical Displays
Film and Television
Projection Halls
Warehouses
Art Galleries
Museums
Schools & Libraries
Theatres
Arenas
Stadiums
Office
