Megger’s mega irradiance meter

Megger says its new PVM210 solar irradiance meter is unique by having the solar detector on top of the instrument.
According to Megger, this arrangement, combined with the useful measurement hold function, makes the PVM210 easy and convenient to use – even with just one hand – when working on a sloping roof or at the top of a ladder.
It adds that the pocket-sized PVM210 offers fast accurate readings of solar power and shows the result on a large easy-to-read 3¾-digit liquid crystal display. This makes the instrument ideally suited as an aid to selecting the optimum position for PV panels during installation. In addition, it can also be used in conjunction with an ammeter to verify that the short-circuit current of a PV installation matches the specification provided by the manufacturer of the PV panels.
The PVM210 is designed to measure incident solar irradiance up to 1999 W/m2 (634 BTU/ft2.hour) with a typical accuracy of ± 10 W/m2 (± 3 BTU/ft2.hour).
With a sampling time of just 0.25 seconds, power for the instrument is provided by two AAA/LR03 batteries, with a fresh set of batteries offering around 50 hours of operation.