| 半球***机 | 小块头，大智慧，安装使用方便，适合各场所 | |||
| Model | OBK–611C | OBK–621C | OBK–631C | OBK–611CH |
| 型号 | ||||
| Image Device | 1/3 *** CCD | 1/4 *** CCD | 1/4 Sharp CCD | 1/3 *** CCD |
| 成像 CCD | ||||
| Horizontal Resolution | 420TV Lines | 520TV Lines | ||
| 水平解晰度 | ||||
| Minimum Illumination | 0.5 Lux | 1.0 Lux | 0.1 Lux | |
| ***低照度 | ||||
| Built-In Lens | f: 3.6mm lens | |||
| 内置镜头 | f: 3.6mm 镜头 | |||
| Number of Pixels | PAL:(H)500x(V)582 / NTSC:(H)510x(V)492 | PAL:(H)752x(V)582 | ||
| 像素 | ||||
| Video Output | 1Vp-p 75Ω Negative | |||
| 视频输出 | ||||
| Sync System | internal Synchronization 内部同步 | |||
| 同步系统 | ||||
| Scanning System | PAL:(H)500x(V)582 / NTSC:(H)510x(V)492 | PAL:(H)752x(V)582 | ||
| 扫描系统 | ||||
| White Balance | Auto 自动 | |||
| 白平衡 | ||||
| A.G.C. | Auto 自动 | |||
| 自动增益系统 | ||||
| B.L.C. | Auto 自动 | |||
| 背光补偿 | ||||
| S/N Ratio | More than 48dB 大于48dB | |||
| 信噪比 | ||||
| Gamma Characteristic | 0.45 | |||
| 珈玛特性 | ||||
| Electronic Shutter | PAL:1/50~1/100,000s ; NTSC:1/60~1/100,000s | |||
| 电子快门 | ||||
| Power C***umption | 12V+_10%DC,100mA | |||
| 功率消耗 | ||||
| Operation Temperature | -10°C~+50°C | |||
| 使用温度 | ||||
| Storage Temperature | -20°C~+60°C | |||
| 存放温度 | ||||
| Dimension | Ø83X55mm | |||
| 尺寸 | ||||
| Color | Black 黑色 | |||
| 颜色 | ||||