St-520 Chroma Light Meter Chroma Meter Color Lux Meter

• After-sales Service: 1 Year
• Warranty: 1 Year
• Main Instrument Size: 140 X 49 X 29mm
• Sensor Probe Size: 165 X 50 X 36mm
• Transport Package: Carton
• Specification: 179g (6.31 oz. ) without battery
• Model NO.: ST-520
• Trademark: ShowRange
• Origin: Shanghai
• HS Code: 9025800000
• Production Capacity: 5000 PCS/Month

Product Description

ST520 Chroma Light Meter 
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
Applications
Color LED Lighting, Commerical Displays, Film and Television, Projection Halls, Warehouses, Art Galleries, Museums, Schools & Libraries, Theatres
Arenas, Stadiums, Office

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