Coherent LM-10 power meter head. Does NOT include post and holder.

I removed the epoxied 1/4" dia. post and there is now a 1/4-20 tapped hole so you can attach standard 1/2" dia. posts.

I never liked the little plastic stand that came with them, you could not bolt the meter onto your optical table.

Tested with my lab master, this one has 35,728 days left before next calibration needed, that's a long time.

Condition of sensor plate is like new as you can see in photo.

Min. power: 0.01 Watt (or 10mw), Max. power 10 Watt, resolution: 0.001 W

Aperture: 16mm, Spectral range: 250-10,600nm, accuracy -+ 2%

Max pulse length: 0.11 sec., Max Joules: 10, Min. Joules: 0.05

Works with field master series, lab master series and other newer models if you have the adapter.

I combine ship to keep costs down.