我公司擬<\/span><\/span>采<\/span><\/span>購一<\/span><\/span>套數字式汽車衡(地磅)<\/span><\/span>,現向有意向的供應商<\/span><\/span>征詢報價<\/span><\/span>,具體需求如下:<\/span><\/span><\/p> 一、<\/span><\/span>擬<\/span><\/span>采<\/span><\/span>購<\/span><\/span>數字式汽車衡(地磅)<\/span><\/span>主要技術參數要求:<\/span><\/span><\/p> 1、<\/span>總體要求<\/span><\/span>:<\/span><\/span><\/p> (<\/span>1)準確度等級:≥OIML III級<\/span><\/p> (<\/span>2)最大稱量:20t<\/span><\/p> (<\/span>3)稱臺臺面尺寸:7m×3m<\/span><\/p> (<\/span>4)工作溫度:稱重顯示儀表:-20℃~+45℃<\/span><\/p> (<\/span>5)秤臺及稱量傳感器:-40℃~+55℃<\/span><\/p> (<\/span>6)相對濕度:≤95%<\/span><\/p> (<\/span>7)工作電源:220VAC (-15%~+10%);50Hz±2%<\/span><\/p> (<\/span>8)最大安全過載:125%FS<\/span><\/p> (<\/span>9)最大極限過載:300%FS<\/span><\/p> (<\/span>10)秤體:U型鋼模塊化結構(4節模塊) <\/span><\/p> (<\/span>11)秤臺剛性:1/1000; 安全系數≥2.5<\/span><\/p> (<\/span>12)基礎形式:淺基坑<\/span><\/p> (<\/span>13)秤臺防護等級:室外工作,防護等級≥IP68 <\/span><\/p> (<\/span>14)秤臺結構設計增強:秤體連接處加強設計,滿足高頻次,耐磨損的惡劣使用要求<\/span><\/p> (<\/span>15)數字式稱重傳感器采用不銹鋼焊接外殼,防水、防塵。秤臺需采用耐磨、防滑、防擦邊設計及生產工藝,適用于惡劣的工作環境<\/span><\/p> (<\/span>16)數字式稱重傳感器采用壓式柱式稱重傳感器,防護等級≥IP68。<\/span><\/p> (<\/span>17)數字式稱重傳感器電纜為鎧裝電纜線,防止老鼠咬壞。<\/span><\/p> (<\/span>18)數字接線盒具有雷擊浪涌防護裝置<\/span><\/p> (<\/span>19)信號傳輸線具有抗高頻干擾,數字信號輸出,可遠距離傳輸,傳輸距離≥200m <\/span><\/p> (<\/span>20)采用數字化自動補償技術防作弊<\/span><\/p> (<\/span>21)更換數字式傳感器不用標定<\/span><\/p> (<\/span>22)整個數字式稱重系統防普通二次雷擊功能:通過≥10KA浪涌電流(≥8×20us ) <\/span><\/p> (<\/span>23)數字濾波技術<\/span><\/p> (<\/span>24)稱重數據存儲≥4,000組數據<\/span><\/p> (<\/span>25)基本車輛稱重功能,進出廠稱重模式,同時即可存儲≥100個皮重數據<\/span><\/p> (<\/span>26)≥2個標準帶隔離的串行口:RS232/RS422/RS485,可接打印機,可配接大屏幕顯示器供遠距離讀數<\/span><\/p> (<\/span>27)可選的網絡接口:以太網接口,用于聯網和數據傳輸<\/span><\/p> (<\/span>28)最多可自定義并存儲≥5個打印格式模板<\/span><\/p> (<\/span>29)整個數字式稱重系統防二次雷擊功能<\/span><\/p> (<\/span>30)稱重顯示器采用全不銹鋼外殼,耐腐蝕性強,外觀評級等級不低于10級(按GB/T10125-2012,GB/T6461-2002標準),抗干擾能力強;防護等級≥IP44; ≥240×96 LCD全點陣液晶顯示屏,全中文菜單顯示<\/span><\/p> (<\/span>31)最大顯示分度數:50,000<\/span><\/p> (<\/span>32)A/D轉換率:≥內部366次/秒<\/span><\/p> (<\/span>33)靈敏度:≥1微伏/分度值<\/span><\/p> (<\/span>34)精度等級:≥OIML6000e<\/span><\/p> (<\/span>35)三種稱重方式可選:簡單稱重/標準稱重/配對稱重<\/span><\/p> (<\/span>36)激勵電壓:+10VDC,可帶≥8只350歐姆的傳感器<\/span><\/p> (<\/span>37)鍵盤設置<\/span><\/p> (<\/span>38)數據或按鈕輸入皮重<\/span><\/p> (<\/span>39)動態檢測范圍可選<\/span><\/p> (<\/span>40)按鈕清零范圍可選<\/span><\/p> (<\/span>41)自動零跟蹤,跟蹤范圍可選<\/span><\/p> (<\/span>42)清零、去皮、清除和打印功能<\/span><\/p> (<\/span>43)三種操作模式:簡單稱重、配對稱重、標準稱重<\/span><\/p> (<\/span>44)≥100條臨時皮重表和≥200條永久皮重表<\/span><\/p> (<\/span>45)≥99筆貨號及≥99筆客戶號的輸入、存儲<\/span><\/p> (<\/span>46)按車號/貨號/客戶號分項累計<\/span><\/p> (<\/span>47)≥4000筆交易記錄保存<\/span><\/p> (<\/span>48)打印/補打稱重計量單,三種中文格式,一種英文格式及一種用戶自定義格式<\/span><\/p> (<\/span>49)數據庫瀏覽及編輯功能<\/span><\/p> (<\/span>50)SD存儲卡支持備份和存儲配置及標定數據<\/span><\/p> (<\/span>51)串口:COM1:RS232;COM2:RS232 /RS485/20mA電流環<\/span><\/p> (<\/span>52)使用溫度范圍:<\/span> -10℃~40℃<\/span><\/p> (<\/span>53)相對濕度:10~95%(無冷凝)<\/span><\/p> (<\/span>54)電源:100~242vAC,49~61Hz,功率: ≥8W<\/span><\/p> (<\/span>55)數據操作平臺:利用數據操作平臺,汽車衡能與收費系統平臺無縫對接。<\/span><\/p> 2<\/span>、其他要求<\/span><\/span><\/p> (<\/span><\/span>1<\/span>)秤體結構<\/span><\/span><\/p> 全鋼結構,采用模塊化組合;秤體鋼材應是符合認可的規范和標準要求的優質鋼材,秤體面板厚度<\/span>≥12mm。<\/span><\/p> (<\/span><\/span>2<\/span>)<\/span><\/span>秤體結構應采用<\/span>U型截面的冷彎型鋼組焊,保證秤體的整體強度和抗扭性能。<\/span><\/p> (<\/span><\/span>3<\/span>)<\/span><\/span>電子汽車衡所使用的全部鋼材不能有銹蝕缺陷或有氧化皮、秤體在噴漆之前必須用拋丸機進行噴丸處彈處理,去除鋼材表面的氧化層及銹跡。所選用的油漆及涂漆方法要適應沿海地區的腐蝕性氣候環境。鋼材進行拋丸預處理和相應的油漆(為保證油漆質量,投標人油漆須按<\/span>GB/T6739-2006,GB/T3177-2009標準漆膜硬度技術要求,達到HB級)除銹≥SIS055900 Sa2.5級標準,油漆保證5年不發生銹點、斑剝、脫落、風化。油漆采用環氧富鋅底漆、環氧云母氧化鐵中間漆和聚氨脂面漆。<\/span><\/p> (<\/span><\/span>4<\/span>)<\/span><\/span>秤體焊接應采用自動氣體保護焊機組進行整條焊接,確保焊接質量;在焊接處理工藝中應先進行秤體預變形處理,以防止秤體焊接好后由于焊接應力的釋放而使秤體產生變形,從而影響計量精度。由合格的焊工進行并符合相應的標準,相應的焊縫做無損探傷檢查。<\/span><\/span><\/p> (<\/span><\/span>5<\/span>)<\/span><\/span>板材和型材的矯正、矯直與彎曲成型必須采用加壓工藝進行,不準采用錘擊。<\/span><\/span><\/p> 3、<\/span>數字式傳感器技術指標和功能:<\/span><\/span><\/p>