PhotoMeter-2
PhotoMeter-2 is the brightness calibration system which can measure the LED screen brightness and provide brightness calibration pixel by pixel. with the help of chroma meter, it can provide color calibration of entire LED screen too.
Feature | Standard |
Pixel Array (WxH): | 3326x2504 active (visible) |
Dynamic Range | 70 db |
Shutter | Mechanical exposure, 0.03 s to 240 min |
Digital Resolution | 16 bits，Max 65536 |
Capability | CIE1931 XYZ；Brightness（Y）； |
Brightness Accuracy | CIE (Y) +/- 3% |
Color Accuracy | - |
Repeat Brightness Accuracy | CIE (Y) +/- 0.5% |
Repeat Color Accuracy | - |
Spatial Uniformity | <2% |
Computer Connectivity | USB 2.0 (USB 1.1 compatible) |
Full Image Download | <12 seconds (host computer dependent) |
Thermoelectric CCD Cooling | Temperature regulation +/- 0.1°C, @ 0°C to -40°C CCD temperature |
Status and Notification | Multi-color LED status indicator and audible beeper. Over-temperature and high/low voltage alarms. |
Lens Adaptor | Nikon F |
Dimensions | W4.45” x H4.45” x D2.50” |
Weight, without Lens | 40 oz. / 1120g |
Power Consumption | 12v, 1.7A (20.4 watts) at max (25 AC watts 90-240V AC power supply) |
Operating Environment | Temperature: -20°C to 30°C, Humidity: 10% to 90% non-condensing |
