The LPPYRA12 are pyranometers classified as Spectrally Flat Class B (First Class) in accordance with ISO 9060:2018 and according to the WMO.

They are provided with an adjustable shadow ring for the measurement of diffuse radiation only.

The pyranometers are available in different versions:

  • LPPYRA12 –  PASSIVE
  • LPPYRA12AC – ACTIVE with CURRENT 4..20 mA output. Measuring range: 0…2000 W/m² or 0…4000 W/m² (LPPYRA12AC4).
  • LPPYRA12ACS – double 4…20mA current output and RS485 serial output with MODBUS-RTU protocol. Measuring range: 0…2000 W/m² or 0…4000 W/m² (LPPYRA12ACS4).
  • LPYRA12AV – ACTIVE with VOLTAGE 0..1 V, 0..5 V or 0..10 V output. Measuring range: 0…2000 W/m² or 0…4000 W/m² (LPPYRA12AV4).
  • LPPYRA12S – with MODBUS RS485 output
  • LPPYRA12S12 – with SDI-12 output