SOLAR RADIATION (Global Irradiance) Second Class Pyranometers

Alpha-Log
Alpha-Log is the most powerful data logger in the LSI Lastem family. With 400MB of internal memory and the removable memory up to 32GB it is suitable also in complex systems
SOLAR RADIATION (Global Irradiance) Second Class Pyranometers
Radiometer for solar irradiance measurement, according to Second class as ISO 9060 and WMO No. 8 standards.
This sensor is a good compromise for basic meteorological, agrometeorological and solar energy applications.
• Spectrally flat Class C (Second Class) pyranometer. Compliance with IEC 61724-1: 2017
• Electrical insulated (DPA863-873), Galvanic insulated (DPA983)
• Calibration traceability to WRR
• Modbus register for Instant value, Ave/Min/Max values over programmable time base (DPA983)
• Ideal instrument in PV plants performance monitoring and meteorological networks
| PN | DPA053A | DPA863 | DPA983 |
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| Output | µV | 4…20 mA | RS485-Modbus |
| Protocol | – | – | Modbus RTU®, TTY-ASCII |
| Programmable output | – | – | Ist., max/min/ave. (1…3600 s) |
| RS485 protection | – | – | Galvanic insulation (3 kV, UL1577) |
| RS485 speed | – | – | 1200…115 kbps |
| Power supply | – | 10…30 Vac/dc | 10…30 Vac/dc |
| Power consumption | – | 0.5 W | 0.5 W |
| EMC | – | EN 61326-1: 2013 | EN 61326-1: 2013 |
| Thermopile ensitivity | 10…15 µV/W/m2 | NA | NA |
| Measuring range | See Irradiance range | 0…1500 W/m2 | 0…1500 W/m2 |
| Impedance | 40 ± 3 Ω | – | – |
| Calibration certificate | Included | Not included (see Accessories) |
Not included (see Accessories) |
| Cable | L= 5 m included | Not included (see Accessories) |
Not included (see Accessories) |
| Built-in bubble level | NO (Yes, using DYA048 plate) | YES | YES |
| Mounting | • DYA032 arm + DYA049 collar (horizontal) • DYA048 plate + DYA035 arm + DYA049 collar |
DYA034 (horizontal) or DYA035 (tilting) arms + DYA049 collar |
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| Data logger compatibility |
• M-Log (ELO008) • Alpha-Log (usingALIEM module) • E-Log |
• M-Log (ELO008) • Alpha-Log (usingALIEM module) • E-Log |
• M-Log (ELO008) using RS485->232 converter • Alpha-Log • E-Log (using RS485->232 converter) |

Alpha-Log is the most powerful data logger in the LSI Lastem family. With 400MB of internal memory and the removable memory up to 32GB it is suitable also in complex systems

These sensors are classified as ISO 9060 Secondary Standard. With a total daily uncertainty of only 2% within 0…180° field of view, fast response time,

A Rain gauge Design made in compliance to WMO ,Class A (UNI EN 17277:2020) accuracy over intensity(see PN)

Air temperature and relative humidity Temperature measurement principle RTD Pt100 1/3 DIN B (Class AA EN60751) and capacitive humidity.