我公司擬<\/span><\/span>采<\/span><\/span>購(gòu)一<\/span><\/span>套數(shù)字式汽車(chē)衡(地磅)<\/span><\/span>,現(xiàn)向有意向的供應(yīng)商<\/span><\/span>征詢報(bào)價(jià)<\/span><\/span>,具體需求如下:<\/span><\/span><\/p> 一、<\/span><\/span>擬<\/span><\/span>采<\/span><\/span>購(gòu)<\/span><\/span>數(shù)字式汽車(chē)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(zhǔn)確度等級(jí):≥OIML III級(jí)<\/span><\/p> (<\/span>2)最大稱量:20t<\/span><\/p> (<\/span>3)稱臺(tái)臺(tái)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(tái)及稱量傳感器:-40℃~+55℃<\/span><\/p> (<\/span>6)相對(duì)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(guò)載:125%FS<\/span><\/p> (<\/span>9)最大極限過(guò)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(tái)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(tái)防護(hù)等級(jí):室外工作,防護(hù)等級(jí)≥IP68 <\/span><\/p> (<\/span>14)秤臺(tái)結(jié)構(gòu)設(shè)計(jì)增強(qiáng):秤體連接處加強(qiáng)設(shè)計(jì),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(tái)需采用耐磨、防滑、防擦邊設(shè)計(jì)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(hù)等級(jí)≥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(hù)裝置<\/span><\/p> (<\/span>19)信號(hào)傳輸線具有抗高頻干擾,數(shù)字信號(hào)輸出,可遠(yuǎn)距離傳輸,傳輸距離≥200m <\/span><\/p> (<\/span>20)采用數(shù)字化自動(dòng)補(bǔ)償技術(shù)防作弊<\/span><\/p> (<\/span>21)更換數(shù)字式傳感器不用標(biāo)定<\/span><\/p> (<\/span>22)整個(gè)數(shù)字式稱重系統(tǒng)防普通二次雷擊功能:通過(guò)≥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?cái)?shù)據(jù)存儲(chǔ)≥4,000組數(shù)據(jù)<\/span><\/p> (<\/span>25)基本車(chē)輛稱重功能,進(jìn)出廠稱重模式,同時(shí)即可存儲(chǔ)≥100個(gè)皮重?cái)?shù)據(jù)<\/span><\/p> (<\/span>26)≥2個(gè)標(biāo)準(zhǔn)帶隔離的串行口:RS232/RS422/RS485,可接打印機(jī),可配接大屏幕顯示器供遠(yuǎn)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(chǔ)≥5個(gè)打印格式模板<\/span><\/p> (<\/span>29)整個(gè)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(qiáng),外觀評(píng)級(jí)等級(jí)不低于10級(jí)(按GB/T10125-2012,GB/T6461-2002標(biāo)準(zhǔn)),抗干擾能力強(qiáng);防護(hù)等級(jí)≥IP44; ≥240×96 LCD全點(diǎn)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(jí):≥OIML6000e<\/span><\/p> (<\/span>35)三種稱重方式可選:簡(jiǎn)單稱重/標(biāo)準(zhǔn)稱重/配對(duì)稱重<\/span><\/p> (<\/span>36)激勵(lì)電壓:+10VDC,可帶≥8只350歐姆的傳感器<\/span><\/p> (<\/span>37)鍵盤(pán)設(shè)置<\/span><\/p> (<\/span>38)數(shù)據(jù)或按鈕輸入皮重<\/span><\/p> (<\/span>39)動(dòng)態(tài)檢測(cè)范圍可選<\/span><\/p> (<\/span>40)按鈕清零范圍可選<\/span><\/p> (<\/span>41)自動(dòng)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(jiǎn)單稱重、配對(duì)稱重、標(biāo)準(zhǔn)稱重<\/span><\/p> (<\/span>44)≥100條臨時(shí)皮重表和≥200條永久皮重表<\/span><\/p> (<\/span>45)≥99筆貨號(hào)及≥99筆客戶號(hào)的輸入、存儲(chǔ)<\/span><\/p> (<\/span>46)按車(chē)號(hào)/貨號(hào)/客戶號(hào)分項(xiàng)累計(jì)<\/span><\/p> (<\/span>47)≥4000筆交易記錄保存<\/span><\/p> (<\/span>48)打印/補(bǔ)打稱重計(jì)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(kù)瀏覽及編輯功能<\/span><\/p> (<\/span>50)SD存儲(chǔ)卡支持備份和存儲(chǔ)配置及標(biāo)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(duì)濕度:10~95%(無(wú)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(tái):利用數(shù)據(jù)操作平臺(tái),汽車(chē)衡能與收費(fèi)系統(tǒng)平臺(tái)無(wú)縫對(duì)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(rèn)可的規(guī)范和標(biāo)準(zhǔn)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(qiáng)度和抗扭性能。<\/span><\/p> (<\/span><\/span>3<\/span>)<\/span><\/span>電子汽車(chē)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(jī)進(jìn)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(jìn)行拋丸預(yù)處理和相應(yīng)的油漆(為保證油漆質(zhì)量,投標(biāo)人油漆須按<\/span>GB/T6739-2006,GB/T3177-2009標(biāo)準(zhǔn)漆膜硬度技術(shù)要求,達(dá)到HB級(jí))除銹≥SIS055900 Sa2.5級(jí)標(biāo)準(zhǔn),油漆保證5年不發(fā)生銹點(diǎn)、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(dòng)氣體保護(hù)焊機(jī)組進(jìn)行整條焊接,確保焊接質(zhì)量;在焊接處理工藝中應(yīng)先進(jìn)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(jì)量精度。由合格的焊工進(jìn)行并符合相應(yīng)的標(biāo)準(zhǔn),相應(yīng)的焊縫做無(wú)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(jìn)行,不準(zhǔn)采用錘擊。<\/span><\/span><\/p> 3、<\/span>數(shù)字式傳感器技術(shù)指標(biāo)和功能:<\/span><\/span><\/p>