The Dorrough 40-PS is a Video Luminance Meter; this device operates under the PAL and SECAM system parameters offering a simple video level display. This intuitive video level meter was designed to offer quick dynamic measurements of video levels from a PAL or SECAM source such as camera, VTR or DVR.
- Simultaneous Display
- A single 40-segment bar graph simultaneously displays three amplitude parameters of the composite video signal. These parameters are sync, average luminance, and peak luminance. Two additional indicators detect the presence of proper sync and setup levels.
- Peak and Average
- This device enables the user to quickly check lighting and camera parameters, drop outs and sync from VTRs utilizing the Peak and Average features.