Optical Power Meter, High-performance Hand-Held,1918-R 
* Most advanced portable optical power meter in market
* True rms measurements
* Optical Power measurements, 11pW to 20 kW
* Pulse Energy measurements, 7μJ to 20kJ
* Accelerated thermopile based measurements with fast predicition algorithm
* USB computer interface
* Data storage via internal memory or USB Flash Drive
* Plotting, graphing, math, statistic, and on-board data post-processing