Coherent LM-10 Position-Sensing Air-Cooled Laser Power Meter Head.
Absorbers are in good shape, no burn spots.
Works with Coherent Fieldmaster, but not with PowerMax5200 or 3Sigma models. I have no other mainframes models to test with.
PRICE PER UNIT. Request the one you want to purchase by stating the serial number.
SERIAL left:
YG34
VP04