The FieldMaxII laser meter from Coherent Inc. provides a PC host interface, analog output and expanded pyroelectric sensor capabilities. Available in either power- or energy-only, or in power and energy configurations, it can measure UV, visible and IR laser output from the nanowatt to the kilowatt range and can work with CW and pulsed lasers with repetition rates of up to 300 Hz. For production test applications, a LabView Instrument driver and an ActiveX DLL server component facilitate development of custom testing routines. With a rechargeable battery pack and a responsive tuning indicator for peaking laser output, it also is suitable for field service applications. For general laboratory use, it offers versatility, accuracy and easy access to statistics and features, such as wavelength compensation and attenuation correction.