ST520 Chroma Light Meter Light Luminance Color Coordinate Temperature Tester

Description

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ST520 Chroma Light Meter Light Luminance Color Coordinate Temperature Tester
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Description:
ST520 is a chroma meter with precision measurement of light luminance and color coordinate. It meets CIE photopic spectral response and the color temperature is  given to verify the light source. Correlated color temperature and custom reference value of color difference mode are useful for users to measure and  identify the differences between light sources.
Specification:
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 (without battery)
The package do not included any batteries
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
1. Your valid phone number is very necessary for the shipping, otherwise we can't guarantee that the package would safely arrives.
2. Any Customs tax applied to this package should be covered by buyers.
3. As has been stated on the eBay item description, Import duties, taxes and charges are not included in the item price and shipping charges. These charges be at the buyer responsibility. meanwhile the customs tax depend on the buyer local customs office.
What in Package:
1 x  ST520 Chroma Light Meter Tool Kit
Contact Us:
1. We have always been trying to provide the best service and reliable products for every customer, however, accident may happen sometimes, please contact us to resolve any issue before leaving a negative feedback.
2. Please contact us by "Ask a question".
Payment
1. Payment methods accepted :
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2. Payment must be received within 7 business days of auction closing.
Shipping
1. We ship your orders within 1-3 business days after the payment received.
2. Item shipped via Singapore Post or HongKong Post , It takes about 7-30 business days (USA,CA,AU,UK).others country 10-20 business days(Brzil,India,RU),Exact delivery time depends on postal process.
3. If you do not receive your item(s) by 30 business days,Please feel free to contact us via ebay mail system , we will try our very best to resolve any problems with you
Return Policy
1. Return is accepted within 30 days after the buyer's receiving the item.
2. If this item is defective upon receipt, customer has up to 14 days from date of receipt for exchange of a new one.
3. Unused/unopened merchandise will be fully credited.
Other Policies
We are not responsible for any custom duty or import tax.
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