This detector is used to record the pattern.
This detector is used to record the pattern.contrast variation at the fringe Pin Hole Detector with output measurement unit(Superior Quality Digital Multi meter) measure & display the current / voltage flowing through a Detector. Special photo diode is used as detector housed in an alloy aluminum black anodized tube with outer dia approx 28mm with 9.5mm dia. rod. We are supplying Superior Quality Digital Multi meter for measurement of current/voltage. Supplied with Metallic base.