Ex marking防爆标志ExdⅡCT6 / DIP A20 TA,T6certificate No.证书编号CNEx11.0277Degree of protection防护等级IP68Image sensor成像器件1/4" SONY Super HAD II CCDResolution解 析 度480TVL/540TVL/650TVLIR wavelength红外波长850nmIR visible distance红外距离30m/60m/80m/100mMin illumination最低照度0Lux(infra-red on)IR switch红外开关Auto(≤10Lux)Focus焦 距F1.6 to F3.7, f=3.9 to 85.mmZoom ratio放大倍率22倍光学变焦、32倍电子放大f=3.9mm-85.5mm , F1.6(wide)-F3.7(tele)22x optional zoom lens with 32x digital zoom Electric connect电气连接,复合电缆 Focus mode聚焦模式,自动SNR信噪比>52dBAmbient temperature工作电流≤1300mAVideo out视频输出Composite 1.0vp-p at 75 ohmPower supply供电电压AC110~220V/DC12V可选Working temperature环境温度-25℃ ~ +60℃