我公司擬<\/span><\/span>采<\/span><\/span>購一<\/span><\/span>套數(shù)字式汽車衡(地磅)<\/span><\/span>,現(xiàn)向有意向的供應(yīng)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(shù)字式汽車衡(地磅)<\/span><\/span>主要技術(shù)參數(shù)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(jié)構(gòu)(4節(jié)模塊) <\/span><\/p> (<\/span>11)秤臺剛性:1/1000; 安全系數(shù)≥2.5<\/span><\/p> (<\/span>12)基礎(chǔ)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(jié)構(gòu)設(shè)計增強:秤體連接處加強設(shè)計,滿足高頻次,耐磨損的惡劣使用要求<\/span><\/p> (<\/span>15)數(shù)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(shè)計及生產(chǎn)工藝,適用于惡劣的工作環(huán)境<\/span><\/p> (<\/span>16)數(shù)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(shù)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(shù)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(shù)字信號輸出,可遠距離傳輸,傳輸距離≥200m <\/span><\/p> (<\/span>20)采用數(shù)字化自動補償技術(shù)防作弊<\/span><\/p> (<\/span>21)更換數(shù)字式傳感器不用標定<\/span><\/p> (<\/span>22)整個數(shù)字式稱重系統(tǒng)防普通二次雷擊功能:通過≥10KA浪涌電流(≥8×20us ) <\/span><\/p> (<\/span>23)數(shù)字濾波技術(shù)<\/span><\/p> (<\/span>24)稱重數(shù)據(jù)存儲≥4,000組數(shù)據(jù)<\/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(shù)據(jù)<\/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(shù)<\/span><\/p> (<\/span>27)可選的網(wǎng)絡(luò)接口:以太網(wǎng)接口,用于聯(lián)網(wǎng)和數(shù)據(jù)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(shù)字式稱重系統(tǒng)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(shù):50,000<\/span><\/p> (<\/span>32)A/D轉(zhuǎn)換率:≥內(nèi)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(shè)置<\/span><\/p> (<\/span>38)數(shù)據(jù)或按鈕輸入皮重<\/span><\/p> (<\/span>39)動態(tài)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(shù)據(jù)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(shù)據(jù)<\/span><\/p> (<\/span>51)串口:COM1:RS232;COM2:RS232 /RS485/20mA電流環(huán)<\/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(shù)據(jù)操作平臺:利用數(shù)據(jù)操作平臺,汽車衡能與收費系統(tǒng)平臺無縫對接。<\/span><\/p> 2<\/span>、其他要求<\/span><\/span><\/p> (<\/span><\/span>1<\/span>)秤體結(jié)構(gòu)<\/span><\/span><\/p> 全鋼結(jié)構(gòu),采用模塊化組合;秤體鋼材應(yīng)是符合認可的規(guī)范和標準要求的優(yōu)質(zhì)鋼材,秤體面板厚度<\/span>≥12mm。<\/span><\/p> (<\/span><\/span>2<\/span>)<\/span><\/span>秤體結(jié)構(gòu)應(yīng)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(yīng)沿海地區(qū)的腐蝕性氣候環(huán)境。鋼材進行拋丸預(yù)處理和相應(yīng)的油漆(為保證油漆質(zhì)量,投標人油漆須按<\/span>GB/T6739-2006,GB/T3177-2009標準漆膜硬度技術(shù)要求,達到HB級)除銹≥SIS055900 Sa2.5級標準,油漆保證5年不發(fā)生銹點、斑剝、脫落、風(fēng)化。油漆采用環(huán)氧富鋅底漆、環(huán)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(yīng)采用自動氣體保護焊機組進行整條焊接,確保焊接質(zhì)量;在焊接處理工藝中應(yīng)先進行秤體預(yù)變形處理,以防止秤體焊接好后由于焊接應(yīng)力的釋放而使秤體產(chǎn)生變形,從而影響計量精度。由合格的焊工進行并符合相應(yīng)的標準,相應(yīng)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(shù)字式傳感器技術(shù)指標和功能:<\/span><\/span><\/p>