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美國Apogee手持光量子儀MQ-100/MQ-200/MQ-301
MQ-100 在手持式儀表的頂部集成了一個傳感器,用于顯示和存儲測量值。
典型應用包括室外環境、溫室和生長室中植物冠層的 PPFD 測量,以及相同環境中的反射或冠層下(透射)PPFD 測量。
| MQ-100 | MQ-200 | MQ-301 | MQ-303/306 | |
| 校準不確定度 | ± 5 % | |||
| 測量重復性 | Less than 1 % | |||
| 長期漂移 | Less than 2 % per year | |||
| 非線性 | Less than 1 % (up to 3000 μmol m?2 s?1) | |||
| 響應時間 | Less than 1 ms | |||
| 視野 | 180° | |||
| 光譜范圍 | 410 to 655 nm (wavelengths where response is greater than 50 % of maximum) | |||
| 定向(余弦)響應 | ± 5 % at 75° angle | |||
| 溫度響應 | 0.06 ± 0.06 % per C | |||
| 操作環境 | 0 to 50 C; less than 90 % non-condensing relative humidity up to 30 C; less than 70 % non-condensing relative humidity from 30 to 50 C; separate sensors can be submerged in water up to depths of 30 m | |||
| 記錄器尺寸 | 113.9 mm height, 59.9 mm width | |||
| 傳感器尺寸 | Integrated with Meter | 24 mm width, 33 mm height | 700 mm length, 15 mm width,15 mm height | 500 mm length, 15 mm width,15 mm height |
| 重量 | 150 g | 180 g | 380 g | 300 g |
| 線纜 | 2 m of shielded, twisted-pair wire; additional cable available; TPR jacket (high water resistance, high UV stability, flexibility in cold conditions) | |||
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