简体中文
The FSP3 Pyranometer is a secondary standard solar radiation sensor compliant with ISO 9060 and WMO technical standards. It is used to measure solar irradiance received on a horizontal surface from a hemispherical solid angle (2π steradians), with the unit of measurement in W/m².
Overview
The FSP3 Pyranometer is a secondary standard solar radiation sensor compliant with ISO 9060 and WMO technical standards. It is used to measure solar irradiance received on a horizontal surface from a hemispherical solid angle (2π steradians), with the unit of measurement in W/m².
The FSP3 operates in a fully passive mode. It is a cost-effective solar radiation measurement instrument widely used in meteorological observations, building physics, climate studies, and solar energy collection experiments.
Key Features
· Measurement accuracy is comparable to Kipp & Zonen secondary standard pyranometers.
· Fully passive operation: a thermocouple sensor generates an output voltage proportional to the radiation flux.
· Easy to use: only a precise millivolt-level voltmeter is required for data reading.
· Compatible with most commonly used data acquisition systems.
Applications
Widely used for accurate solar radiation measurement in meteorology, solar thermal and photovoltaic power plants, surface solar energy balance studies, outdoor material testing, and solar radiation research in universities and scientific institutes.
Specifications
| Item number | Technical Data |
|---|---|
| Response Time (95%) | ＜10S |
| Zero Offset b (response to 5 K/h ambient temperature change) | ±6 W/m2 |
| Non-Stability (Long-Term Drift) | < ±1.5% per year |
| Non-Linearity | < +/- 2 % (100 至 1000 W/m2) |
| Directional Response | Within ±20 W/m² |
| Temperature Response | Within ±4%(-10°C to +40°C) |
| Tilt Response | Within ±2% |
| Sensitivity | ≥10μV/(W/m2) |
| Operating Temperature | -55 ~ +80℃ |
| Sensor Impedance | ＜50Ω |
| Measurement Range | 0-2000 W/m2 |
| Spectral Range | 30~2800 nm (50% transmission points) |
| Data Output Requirement | One differential voltage channel or one single-ended voltage channel |
| Leveling System | Built-in spirit level and adjustable leveling feet |
| Ingress Protection Rating | IP67 |
| Desiccant | Not required |
| Calculation Method | = U / E |
| Weight (including 5 m cable) | Net Weight：0.3 kg； |
| Calibration | |
| Calibration Traceability | Traceable to the World Radiometric Reference (WRR), calibrated according to ISO 9847 |
| Recommended Calibration Interval | Every 2 years |
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