SENTRY ST-522 Precision Light Luminance Color Coordinate Chroma Light Meter

Description

SENTRY ST-522 Precision Light Luminance Color Coordinate Chroma Light Meter
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
Model
ST520
ST522
ST520S
Sensor Element
SPC (Silicon photocell)
Measuring Function
Measuring Range
Ev:0~80000 lx(0~7432 fcd)CT:99990 K Max.
Accuracy
(at 25°C, 60% RH)
Ev:± (3%+2 Digital) (3000 lx, standard illuminant A measured) x, y:± 0.02 (100 lx, RGB LED Light)
Resolution
Ev:1(0~9999),10(Over 10000) , lx ;0.1(0.0~999.9),1(Over 1000), fcd ;CT:1(0~9999),10(Over 10000), K ;x, y:0.001 ; u', v':0.001
Response Time
Approx. 1 sec.
Repeatability
x, y:±0.003(100 lx, RGB LED Light)
Temperature Drift
Ev:± (5%+2 Digital) (3000 lx, standard illuminant A measured) x, y:± 0.008 (100 lx, RGB LED Light)
Humidity Drift
Ev:± (3%+2 Digital) (3000 lx, standard illuminant A measured) x, y:± 0.005 (100 lx, RGB LED Light)
Operation Temperature Range
32°F to 122°F (0°C to 50°C),Less than 80% RH
Store Temperature Range
14°F to 140°F (-10°C to 60°C),Less than 85% RH
Power Source
9V Battery
Battery Life
70 hours or longer continuous use
Multi-Display
Triple readings
Over range indication
Yes (''-H I-'')
Auto Power Off
10 Minutes of idle
Data Hold
YES
Self-correcting function
NO
Allows illumination and color temperature self-correction
Allows color temperature self-correction
Measuring light source
General light source
LED light source
Color temperature Calibration light source
A light source
-
LED light source
Color temperature display function
(Light source can be selected)
NO
FL,INC,LED
NO
Weight
6.3 oz.(179g)without battery
Dimensions
Main Instrument:5.5 x 1.9 x 1.1 inch(140 x 49 x 29 mm)Sensor Probe:6.5 x 2.0 x 1.4 inch(165 x 50 x 36 mm)
Accessories
Instruction manual x1, Carrying case x1
PAYMENT INFORMATION:
1.We can accept Credit Cards,Paypal,T/T,Escrow and so on.
2.The buyer is responsible for any tax and/or duty charged by their country.
INTERNATIONAL SHIPPING:
The package will be shipped by DHL ,FEDEX OR EMS. After we shipped the parcel,we'll fill in the tracking number and inform you by e-mail.Please write the correct address and telephone number when you make orders,so the courier can contact you when they deliver the parcel to you. thanks
WARRANTY INFORMATION:
1.All the products have been checked and packed in good condition before dispatch.
2.All the products with one year warranty.
3.If you find any quality problems,please send it back within 3 days,and we'll send you a new one or refund you the payment after we get the returned one.
4.Buyers have to pay for the return cost and we will pay the cost for resend
5.All products returned should be in new conditions.
CONTACT US:、
1.A good feedback is very important for our store,if you feel satisfied with our products,please give us  positive feedbacks.
2.Please contact us before leaving any negative or neutral feedback,We will work with you to solve any problems.