Radiation sensor index: Material: Plastic spectrum range: 0.3 ~ 3 μ M response time: ＜ 5S temperature correlation: ＜± 0.08% ℃ cosine response: ＜± 10% (when the solar altitude angle is 10 °) nonlinearity: ＜± 2% annual change rate: ＜± 2% transmitter index measurement range: 0 ~ 1500W / m2 power supply mode: 5V output form: 2.5V load capacity: current type output impedance RL ≤ 250 Ω voltage type output impedance RL ≥ 1K Ω working environment: temperature - 50 ℃ ~ 85 ℃, humidity ≤ 100% RH product weight: sensor 420 g, 760 g product power consumption with transmitter: 1.8 MW