User`s guide

Chapter 2 __________________________________________________________ Product Overview
VAISALA_______________________________________________________________________ 59
The QMS101 pyranometer is used for measuring global solar radiation.
QMS101 uses a photodiode detector for creating a voltage output
proportional to the incoming radiation. Due to the unique design of the
diffuser, its sensitivity is proportional to the cosine of the angle of
incidence of the radiation, thus allowing accurate and consistent
measurements. QMS101 has a ready-made cable with a connector, and
it is easily installed on the sensor support arm.
0105-021
Figure 51 QMS102 Pyranometer
QMS102 Pyranometer is an ISO/WMO-classified second class
pyranometer. The precision optical glass dome acts as a filter, with a
spectral band-pass that permits the full solar spectrum to pass through
to the sensor. The sensor is a high-quality blackened thermopile with a
flat spectral response. Heating of the sensor by incoming solar radiation
produces a signal in the microvolt range.
0105-022
Figure 52 Pyranometer CM6B
CM6B Pyranometer is an ISO 9060 first class pyranometer. CM6B
incorporates a 64-thermocouple sensor, which is rotationally