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| 产品名称： | RT-B4 |
| 产品说明： | 特点: ·采用*的IR LED,24小时日夜监控 ·LED灯的有效寿命可达20000小时 ·外壳采用特质材料制成,可达IP65防水等级 ·具有安全电压保护 ·采用的红外技术,远距离的夜视效果更佳 摘要: ·采用SONY双片EX-View HAD CCD黑白zui低照度为0.0001LUX/F1.2即使红外灯不开启,但在有微弱的光线下图像画质依然出色亮丽 ·采用大孔径红外IR镜头使夜间图像更加清晰,可选镜头焦距:8mm、12mm、16mm、25mm ·白天使用彩色480线高清晰CCD，夜间使用黑白570线低照CCD ·红外灯夜间开启时，红外夜视距离为50m ·具有防水、防尘功能，无需另加护罩 技术参数： ------------------------------------------------------------------- Signal System/制式:AL/NTSC ------------------------------------------------------------------- Image Sensor/成像器件:1/4寸SONY COLOR CCD；1/3寸SONY B/W CCD ------------------------------------------------------------------- Horizontal Resolution/线数:COLOR480TV Lines;B/W570TV Lines ------------------------------------------------------------------- Lens/镜头:8mm\12mm\16mm\25mm ------------------------------------------------------------------- Min.lllumination/照度:COLOR0.5LUX;B/W0.0001LUX/OLUX(IR ON) ------------------------------------------------------------------- S/N Ratio/信噪比:More than 52dB ------------------------------------------------------------------- Distance/红外距离:40～50Meter ------------------------------------------------------------------- View Angle/角度:45° ------------------------------------------------------------------- LED wave length/红外灯波长:840nM infrared LED ------------------------------------------------------------------- Average Life/寿命:20000hrs,warranty life:6000hrs ------------------------------------------------------------------- Water Resistance/防水等级:IP65 ------------------------------------------------------------------- Video Output/视频信号:Composite Video Output(1Vp-p 75ΩTerminated) ------------------------------------------------------------------- OSD Display/菜单:OFF ------------------------------------------------------------------- Operation Temperature/工作温度:-20℃to+50℃ ------------------------------------------------------------------- Supplied Power/电源:DC 12V(+/-10%) ------------------------------------------------------------------- |
