我公司拟<\/span><\/span>采<\/span><\/span>购一<\/span><\/span>套数字式汽车衡(地磅)<\/span><\/span>,现向有意向的供应商<\/span><\/span>征询报价<\/span><\/span>,具体需求如下:<\/span><\/span><\/p> 一、<\/span><\/span>拟<\/span><\/span>采<\/span><\/span>购<\/span><\/span>数字式汽车衡(地磅)<\/span><\/span>主要技术参数要求:<\/span><\/span><\/p> 1、<\/span>总体要求<\/span><\/span>:<\/span><\/span><\/p> (<\/span>1)准确度等级:≥OIML III级<\/span><\/p> (<\/span>2)最大称量:20t<\/span><\/p> (<\/span>3)称台台面尺寸:7m×3m<\/span><\/p> (<\/span>4)工作温度:称重显示仪表:-20℃~+45℃<\/span><\/p> (<\/span>5)秤台及称量传感器:-40℃~+55℃<\/span><\/p> (<\/span>6)相对湿度:≤95%<\/span><\/p> (<\/span>7)工作电源:220VAC (-15%~+10%);50Hz±2%<\/span><\/p> (<\/span>8)最大安全过载:125%FS<\/span><\/p> (<\/span>9)最大极限过载:300%FS<\/span><\/p> (<\/span>10)秤体:U型钢模块化结构(4节模块) <\/span><\/p> (<\/span>11)秤台刚性:1/1000; 安全系数≥2.5<\/span><\/p> (<\/span>12)基础形式:浅基坑<\/span><\/p> (<\/span>13)秤台防护等级:室外工作,防护等级≥IP68 <\/span><\/p> (<\/span>14)秤台结构设计增强:秤体连接处加强设计,满足高频次,耐磨损的恶劣使用要求<\/span><\/p> (<\/span>15)数字式称重传感器采用不锈钢焊接外壳,防水、防尘。秤台需采用耐磨、防滑、防擦边设计及生产工艺,适用于恶劣的工作环境<\/span><\/p> (<\/span>16)数字式称重传感器采用压式柱式称重传感器,防护等级≥IP68。<\/span><\/p> (<\/span>17)数字式称重传感器电缆为铠装电缆线,防止老鼠咬坏。<\/span><\/p> (<\/span>18)数字接线盒具有雷击浪涌防护装置<\/span><\/p> (<\/span>19)信号传输线具有抗高频干扰,数字信号输出,可远距离传输,传输距离≥200m <\/span><\/p> (<\/span>20)采用数字化自动补偿技术防作弊<\/span><\/p> (<\/span>21)更换数字式传感器不用标定<\/span><\/p> (<\/span>22)整个数字式称重系统防普通二次雷击功能:通过≥10KA浪涌电流(≥8×20us ) <\/span><\/p> (<\/span>23)数字滤波技术<\/span><\/p> (<\/span>24)称重数据存储≥4,000组数据<\/span><\/p> (<\/span>25)基本车辆称重功能,进出厂称重模式,同时即可存储≥100个皮重数据<\/span><\/p> (<\/span>26)≥2个标准带隔离的串行口:RS232/RS422/RS485,可接打印机,可配接大屏幕显示器供远距离读数<\/span><\/p> (<\/span>27)可选的网络接口:以太网接口,用于联网和数据传输<\/span><\/p> (<\/span>28)最多可自定义并存储≥5个打印格式模板<\/span><\/p> (<\/span>29)整个数字式称重系统防二次雷击功能<\/span><\/p> (<\/span>30)称重显示器采用全不锈钢外壳,耐腐蚀性强,外观评级等级不低于10级(按GB/T10125-2012,GB/T6461-2002标准),抗干扰能力强;防护等级≥IP44; ≥240×96 LCD全点阵液晶显示屏,全中文菜单显示<\/span><\/p> (<\/span>31)最大显示分度数:50,000<\/span><\/p> (<\/span>32)A/D转换率:≥内部366次/秒<\/span><\/p> (<\/span>33)灵敏度:≥1微伏/分度值<\/span><\/p> (<\/span>34)精度等级:≥OIML6000e<\/span><\/p> (<\/span>35)三种称重方式可选:简单称重/标准称重/配对称重<\/span><\/p> (<\/span>36)激励电压:+10VDC,可带≥8只350欧姆的传感器<\/span><\/p> (<\/span>37)键盘设置<\/span><\/p> (<\/span>38)数据或按钮输入皮重<\/span><\/p> (<\/span>39)动态检测范围可选<\/span><\/p> (<\/span>40)按钮清零范围可选<\/span><\/p> (<\/span>41)自动零跟踪,跟踪范围可选<\/span><\/p> (<\/span>42)清零、去皮、清除和打印功能<\/span><\/p> (<\/span>43)三种操作模式:简单称重、配对称重、标准称重<\/span><\/p> (<\/span>44)≥100条临时皮重表和≥200条永久皮重表<\/span><\/p> (<\/span>45)≥99笔货号及≥99笔客户号的输入、存储<\/span><\/p> (<\/span>46)按车号/货号/客户号分项累计<\/span><\/p> (<\/span>47)≥4000笔交易记录保存<\/span><\/p> (<\/span>48)打印/补打称重计量单,三种中文格式,一种英文格式及一种用户自定义格式<\/span><\/p> (<\/span>49)数据库浏览及编辑功能<\/span><\/p> (<\/span>50)SD存储卡支持备份和存储配置及标定数据<\/span><\/p> (<\/span>51)串口:COM1:RS232;COM2:RS232 /RS485/20mA电流环<\/span><\/p> (<\/span>52)使用温度范围:<\/span> -10℃~40℃<\/span><\/p> (<\/span>53)相对湿度:10~95%(无冷凝)<\/span><\/p> (<\/span>54)电源:100~242vAC,49~61Hz,功率: ≥8W<\/span><\/p> (<\/span>55)数据操作平台:利用数据操作平台,汽车衡能与收费系统平台无缝对接。<\/span><\/p> 2<\/span>、其他要求<\/span><\/span><\/p> (<\/span><\/span>1<\/span>)秤体结构<\/span><\/span><\/p> 全钢结构,采用模块化组合;秤体钢材应是符合认可的规范和标准要求的优质钢材,秤体面板厚度<\/span>≥12mm。<\/span><\/p> (<\/span><\/span>2<\/span>)<\/span><\/span>秤体结构应采用<\/span>U型截面的冷弯型钢组焊,保证秤体的整体强度和抗扭性能。<\/span><\/p> (<\/span><\/span>3<\/span>)<\/span><\/span>电子汽车衡所使用的全部钢材不能有锈蚀缺陷或有氧化皮、秤体在喷漆之前必须用抛丸机进行喷丸处弹处理,去除钢材表面的氧化层及锈迹。所选用的油漆及涂漆方法要适应沿海地区的腐蚀性气候环境。钢材进行抛丸预处理和相应的油漆(为保证油漆质量,投标人油漆须按<\/span>GB/T6739-2006,GB/T3177-2009标准漆膜硬度技术要求,达到HB级)除锈≥SIS055900 Sa2.5级标准,油漆保证5年不发生锈点、斑剥、脱落、风化。油漆采用环氧富锌底漆、环氧云母氧化铁中间漆和聚氨脂面漆。<\/span><\/p> (<\/span><\/span>4<\/span>)<\/span><\/span>秤体焊接应采用自动气体保护焊机组进行整条焊接,确保焊接质量;在焊接处理工艺中应先进行秤体预变形处理,以防止秤体焊接好后由于焊接应力的释放而使秤体产生变形,从而影响计量精度。由合格的焊工进行并符合相应的标准,相应的焊缝做无损探伤检查。<\/span><\/span><\/p> (<\/span><\/span>5<\/span>)<\/span><\/span>板材和型材的矫正、矫直与弯曲成型必须采用加压工艺进行,不准采用锤击。<\/span><\/span><\/p> 3、<\/span>数字式传感器技术指标和功能:<\/span><\/span><\/p>