Introduction to Photosynthetic Active Radiation (PAR) Measurement
This advanced PAR sensor employs cutting-edge photoelectric sensing technology to accurately quantify photosynthetically active radiation within the 400-700nm spectral range. It is specifically designed for demanding agricultural and environmental monitoring applications where precision is paramount.
Technical Specifications
| Power Supply | 7V~30V DC |
| Output Signal | RS485, 0-5V, 0-10V, 4-20mA |
| Power Consumption | 0.06W |
| Operating Temperature | -30℃~75℃ |
| Spectral Range | 400nm~700nm |
| Measurement Range | 0~2500μmol/m²·s |
| Resolution | 1μmol/m²·s |
| Accuracy | ±5% (at 1000μmol/m²·s, 550nm, 60%RH, 25℃) |
| Response Time | 10μs |
| Linearity | ≤±1% |
| Annual Stability | ≤±2% |
Key Features and Benefits
- Optimised spectral response range: 400-700nm
- Durable all-aluminium construction with IP67 protection rating for harsh environments
- Includes integrated level meter and adjustment handwheel for simplified on-site calibration
- Standard Modbus-RTU communication protocol for seamless integration
- High-quality cosine corrector ensuring a standard cosine response
- Wide voltage power supply range: DC7~30V for flexible installation options
