礦用隔爆型光端機(jī)技術(shù)參數(shù)
型號(hào) Model                                                 礦用隔爆型光端機(jī)
隔爆標(biāo)志 Mark                                            ExdⅠ
防護(hù)等級(jí) Rate                                             IP67
輸入電壓Input Voltage                                 127VAC, 50/60Hz
輸入電壓范圍Input voltage range                -25%～+10%
工作電流（A）Electric Current（A）                ≤1A
材質(zhì) Material                                              304不銹鋼或316L
適用環(huán)境 適用于含有甲烷等爆炸性混合氣體、具有爆炸危險(xiǎn)的煤礦井下
環(huán)境溫度Environment Temperature             0℃~+40℃
環(huán)境空氣相對(duì)濕度Relative humidity （RH）      ≤95%RH（+25℃）
氣壓  Atmospheric Pressure                          86～106KPa
外型尺寸Outside Dimension                         436×217×85 mm

視頻參數(shù)
視頻接口                                                      4 個(gè)
視頻接口型式                                               BNC
視頻輸入 / 輸出阻抗                                    75 Ω（非平衡）
視頻輸入 / 輸出電壓                                    典型峰值1.0V　　
視頻帶寬                                                      8MHz
微分增益                                                      <1% （典型值）
微分相位                                                   nbsp;  <1 °（典型值）
信噪比（加權(quán)）                                            >65dB

數(shù)據(jù)參數(shù)
數(shù)據(jù)接口                                                      1 路　
數(shù)據(jù)接口型式                                               工業(yè)標(biāo)準(zhǔn)接線端子
數(shù)據(jù)接口信號(hào)                                               75 Ω（非平衡）
視頻輸入 / 輸出電壓                                    RS-232 、 RS-485 、 RS-422 、曼碼　
碼速率                                                         0～256Kbps
誤碼率                                                         <10-9