LPPYRA03
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V2.8
1
INTRODUCTION
LPPYRA03 pyranometer measures the irradiance on a flat surface (W/m
2
). The meas-
ured irradiance (Global Irradiance) is the sum of direct solar irradiance and diffuse ir-
radiance.
LPPYRA03 is a Spectrally Flat Class C (Second Class) pyranometer in accordance with
ISO 9060:2018 and with the criteria of the WMO “Guide to Meteorological Instruments
and Methods of Observation’”.
The pyranometer is available in the following versions:
•
LPPYRA03
:
PASSIVE.
The passive version can be connected to the instruments
D09847 and HD31 by using VP 472 SICRAM module.
•
LPPYRA03AC
:
ACTIVE with 4..20 mA CURRENT output (0…2000 W/m
2
).
•
LPPYRA03ACS
: ACTIVE with 4..20 mA CURRENT output (0…2000 W/m
2
) and
RS485 Modbus-RTU output.
•
LPPYRA03AV
:
ACTIVE with 0..1 or 0..5 or 0..10 V VOLTAGE output
(0…2000 W/m
2
) to be defined when ordering.
•
LPPYRA03S
:
With RS485 Modbus-RTU output.
•
LPPYRA03S12
: With SDI-12 output.
The pyranometer is supplied factory calibrated and with a calibration report. The
calibration is carried out in accordance with the ISO 9847:1992 (type IIc) standard:
”Calibration of field pyranometers by comparison to a reference pyranometer”. The
pyranometer is calibrated by comparison with the reference sample calibrated
annually at WRC (World Radiation Center).
