NEW ST-520 Chroma Light Meter SENTRY Temperature Brightness LED Lamps Tester

Description

NEW ST-520 Chroma Light Meter SENTRY Temperature Brightness LED Lamps Tester
Features:
1.Precision instrument for light luminance and color coordinate
2.Meet CIE (International Commission on Illumination) photopic spectral response
3.Color temperature or Correlated color temperature
4.Custom reference value of color difference mode
5.Lux or foot-candle unit selection
6.Magnetic mount
7.Tripod socket
Specification:
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
Instruction manual, Carrying Case
Applications:
1.Color LED Lighting
2.Commerical Displays
3.Film and Television
4.Projection Hall
5.Warehouses
6.Art Galleries
7.Museums
8.Schools & Libraries
9.Theatres
10.Arenas
11.Stadiums
12.Office
LCD and Control Panel: