管道超声波热量计热表热量表流量计-「流量计」-马可波罗网

品牌/型号: 其他/FOL-U

加工定制: 是

品牌: 其他

型号: FOL-U

类型: 电磁流量计

测量范围: DN25~DN800（m3/h）m³/h

精度等级: 0.5%~1%

产品适用范围: 导电液体

管道超声波热量计热表热量表流量计

'产品介绍       FOL型固定分体式超声波流量计是已广泛应用的第七版产品的升级替代产品，整机电源性能和抗干扰性都有了更大的提高，主机为壁挂标准型。广泛应用于工业现场中各种液体的在线测量。 <table border="1" cellpadding="0" cellspacing="0" style="TEXT-ALIGN: left; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; BORDER-SPACING: 0px; BORDER-COLLAPSE: collapse; FONT: 12px Tahoma, Arial, 宋体, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(51,51,51); CURSOR: default; WORD-SPACING: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"><tr><td colspan="2" style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: windowtext 1pt solid; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="119">项目</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: windowtext 1pt solid; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">性能/参数</td></tr><tr><td rowspan="17" style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="28">测量主机</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">准确度</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">1.0 %</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">重复性</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">0.2%</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">最大流速</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">64m/s</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">测量周期</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">500mS (每秒2次，每个周期采集128组数据)</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">测量原理</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">超声波时差原理，4字节IEEE754浮点运算</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">显示接口</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">可连接2×10背光型汉字或者2×20字符型液晶显示器</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">操作</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">外接16键轻触键盘以及PC计算机设参软件</td></tr><tr><td rowspan="2" style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">输入</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">3路4-20mA输入可选，准确度0.1%，可输入压力、液位、温度等信号，也可以作为数字接口使用</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">两路pt1000或三线制PT100铂电阻</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">输出</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">电流信号(可选模块)：4-20mA,阻抗600Ω浮空，准确度0.1%。频率信号(可选模块)：1-9999Hz之间任选，OCT输出。脉冲信号：正、负、净流量及热量累计脉冲，双路OCT输出(其中1路脉冲宽度6~1000ms间可编程，默认200ms)。报警信号：双路OCT输出，可选近20种源信号。数据接口：隔离RS485串行接口。</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">通讯协议</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">MODBUS协议、M-BUS协议、FUJI扩展协议，推荐使用MODBUS-RTU协议或者MODBUS-ASCII协议</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">其它功能</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">自动记忆前512日、前128个月、前10年的累积流量和工作状态；自动记忆前30次上、断电时间和流量并可实现自动或手动补加；可编程定量控制器（可使用外部输入信号或MODBUS指令启动）；1个双向串行接口可连接多个如4~20mA、数据记录器等外部设备；工作参数可固化到机内的FLASH存储器中，上电时自动调出；故障时间计时器。</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">工作电流</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">50mA (不连接键盘显示和蜂鸣器不响的条件下)</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">备用电池</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">断电条件下。主板使用电容放电将数据固化到Flash中。</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">环境温度</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">-10℃～70℃(大于此温度范围要求请与厂家联系)</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">工作时间</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">连续</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">电  源</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">220V AC±5%   50Hz                                        </td></tr><tr><td rowspan="2" style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="28">传感器</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">外缚式</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">标准S1型，适用管径DN15～100mm标准M1型(通用型)，适用管径DN50～700mm标准L1型，适用管径DN300～6000mm </td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">信号电缆</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">专用SEYV75-2屏蔽双绞线缆，出厂标配5米，特定场合单根可加长至500米（不推荐）。</td></tr><tr><td rowspan="2" style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="28">可测管道</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">内径</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">15mm～6000mm（&pi;型管段式内径可小至2毫米）</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">直管段长度</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">上游&ge;10D，下游&ge;5D，距泵出口处&ge;30D。</td></tr><tr><td rowspan="4" style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="28">测量介质</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">种  类</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">水、海水、酸碱液、食物油、汽、煤、柴油、原油、酒精、啤酒等能传播超声波的满管均匀液体。</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">浊  度</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">&le;20000 ppm，污水测量效果好，绝大多数污水管道可稳定测量。</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">温  度</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">-40℃～160℃</td></tr><tr><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" width="91">流  向</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: medium none; CURSOR: text; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0px" valign="top" width="474">可对正反向流量分别计量，并可计量净流量。</td></tr></table> '

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