direct measurement of solar irradiance Archives - Senseca https://environmental.senseca.com/product-tag/direct-measurement-of-solar-irradiance/ Member of GHM GROUP Wed, 28 May 2025 09:47:12 +0000 en-US hourly 1 https://wordpress.org/?v=6.3.7 https://environmental.senseca.com/wp-content/uploads/2023/12/favicon-senseca-180x180-1-100x100.png direct measurement of solar irradiance Archives - Senseca https://environmental.senseca.com/product-tag/direct-measurement-of-solar-irradiance/ 32 32 LPPYRHE16… Series – Class B Pyrheliometers https://environmental.senseca.com/product/lppyrhe16-serie-first-class-b-pyrheliometer/ Tue, 31 Jul 2018 14:43:46 +0000 https://www.deltaohm.com/product/lppyrhe16-serie-first-class-pyrheliometer/ Class B Pyrheliometers, according to ISO 9060.

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]]> The pyrheliometer LPPYRHE16 ( Class B Pyrheliometer according to ISO 9060:2018 classification) is an instrument for direct measurement of solar irradiance (Watt/m²).

The receiving surface must be positioned (via a solar tracker or else) perpendicularly to sun’s rays. The use of apposite diaphragms allows only direct light to hit the surface of the sensor. According to WMO and ISO 9060:2018 regulations, the pyrheliometer has a field of view of 5°.

The pyrheliometer is produced in four versions:

  • LPPYRHE16 – passive;
  • LPPYRHE16AC – active with corrent output 4…20 mA;
  • LPPYRHE16ACS – 4…20mA current output (integrated amplifier-transmitter) and RS485 serial output with MODBUS-RTU protocol;
  • LPPYHRE16AV – active with voltage output 0…1 V, 0…5 V or 0…10 V;
  • LPPYRHE16S – active with RS485 serial output with MODBUS-RTU protocol.

The pyreliometer is supplied factory-calibrated and with a calibration report and complete with hood, cartridge for silica-gel crystals, 3 refills, 4-pin M12 flying connector.

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