光斩波器OCV
特点：
频率范围7-6300 Hz
同步输出
频率稳定性好
紧凑
光机械调制器（斩光器）广泛用于多种光学实验中。按给定频率对不同光源进行调制，进行分析。内置频率计数器可以精确选择斩波频率，无需外部设备。
如果光斩波器和锁相放大器配合使用可以降低振幅信号从大的背景噪声中提取出来。
| OCV-6300 | OCV-6300F | |
| Frequency range | 7-6300 Hz | |
| Chopping frequency with 2-slot blade | 7-120 Hz | |
| Chopping frequency with 10-slot blade | 30-600 Hz | |
| Chopping frequency with 30-slot blade | 120-1900 Hz | |
| Chopping frequency with 60-slot blade | 150-3700 Hz | |
| Chopping frequency with 100-slot blade | 260-6300* Hz | |
| Output sync signal level at BNC connector | +5 V (50 ohm) | |
| Frequency indication | no | built-in indicator |
| Frequency setting accuracy | 1 Hz | 0.5 Hz |
| Power supply (AC-DC adapter， 12 V， 0.35 A) | 110-230 V | |
| Power consumption | <4 W | |
| Dimensions (WxLxH) | 87x90x146 mm | 104x87x148 mm |
| * - the clear aperture with this blade is 1.5 mm. | ||
