ML-020P 光合有效辐射传感器的响应波长范围为400~700nm，此波段范围为植物生长对应波段。该传感器通常用于研究植物的生长活动、模拟灯光控制以及树冠下方光斑分布等。
| Specifications (Typical) | ML-020 PAR | |
| Measurement Range | 0~3000 μmol?s-1?m-2 | |
| Output (Approx.) | 0~10,000μV (0~10mV) | |
| Internal Impedance | 160 Ω | |
| Operating temperature range | -10 to +50°C | |
| Temp. response (-10 ~ +50°C) | 1.1 % | |
| Size | Sensor Only: φ22 x 33mm With Mounting Plate: φ80 x 51mm | |
| Weight | Sensor Only: 65g With Mounting Plate: 475g | |
| Cable length | 5 m | |
