Coherent / Molectron compact power meter head 150W water cooled Part # PM150-19B

Description

Nice clean power meter head by Coherent / Molectron. I pulled this from a large laser shutter assembly. Looks like it was never used for high power as the water line holes have no marks at all.  The sensor face looks fine but for a scuff on it. This is not a laser burn and will not alter the reading.
Small package for such high power capability. 2"x2"x1 1/8" thick with BNC connector and 1/4-20 threaded hole for mounting.
I have one available. See my other sales for very similar Ophir units. The middle 3 photos show the Coherent/Molectron head next to an Ophir head for comparison. They are almost identical in size and mv reading of 0.42mV/w and 0.4mV/w respectively.
The Molectron head has a slightly larger aperture of 19.15mm versus the 17.91mm of the Ophir head.
300mw-20W capability without cooling. Up to 150W with cooling.
I combine ship as well.