FOS-2x2-TTL直插式光纖快門
FOS-2x2-TTL直插式光纖快門允許您分別控制每一個通道的快門，FOS在單光源和單光譜儀系統中，做兩點采樣或者檢查參考物時特別有用。
FOS不需要兩個光譜儀通道，它常常與開叉式光纖配合使用。
| Engineering Specifications | FOS-2X2-TTL |
|---|---|
| Dimensions: | 100 mm x 90 mm x 70 mm |
| Weight: | 500 g |
| Material: | Anodized aluminum |
| Operation: | Manual switch or TTL |
| Shutter function: | Channels can be shuttered independently |
| Shutter input: | 5 Hz (TTL maximum) |
| Power requirements: | 12 VDC |
| Power consumption: | 200 mA (maximum) |
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