半球***机小块头，大智慧，安装使用方便，适合各场所ModelOBK–611COBK–621COBK–631COBK–611CH型号ImageDevice1/3***CCD1/4***CCD1/4SharpCCD1/3***CCD成像CCDHorizontalResolution420TVLines520TVLines水平解晰度MinimumIllumination0.5Lux1.0Lux0.1Lux***低照度Built-InLensf:3.6mmlens内置镜头f:3.6mm镜头NumberofPixelsPAL:(H)500x(V)582/NTSC:(H)510x(V)492PAL:(H)752x(V)582像素VideoOutput1Vp-p75ΩNegative视频输出SyncSysteminternalSynchronization内部同步同步系统ScanningSystemPAL:(H)500x(V)582/NTSC:(H)510x(V)492PAL:(H)752x(V)582扫描系统WhiteBalanceAuto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/NRatioMorethan48dB大于48dB信噪比GammaCharacteristic0.45珈玛特性ElectronicShutterPAL:1/50~1/100,000s;NTSC:1/60~1/100,000s电子快门PowerC***umption12V+_10%DC,100mA功率消耗OperationTemperature-10°C~+50°C使用温度StorageTemperature-20°C~+60°C存放温度DimensionØ83X55mm尺寸ColorBlack黑色颜色)