ε_t=Lt-Lo/L×100%

式中ε_t——試件在齡期時間的縱向限制膨脹率或縱向限制干縮率（%）

L——試件基本長度（300mm）

Lo——時間長度的初始讀數(shù)（mm）

Lt——試件在齡期t時的長度讀數(shù)（mm）
補(bǔ)償混凝土收縮膨脹儀誠信廠家參數(shù)規(guī)格

1、標(biāo)準(zhǔn)棒長度：L=355   0.02mm

2、測量范圍：0-10mm【電子數(shù)顯】

3、試模規(guī)格：100×100×400mm【限制收縮實(shí)驗(yàn)】

4、測量精度：0.001mm

品質(zhì)保證
 

售后服務(wù)承諾書

After-sales service commitment

尊敬的用戶您好：

Esteemed Customers

非常感謝您選用獻(xiàn)縣鵬翼建筑儀器廠產(chǎn)品，營業(yè)執(zhí)照注冊號：92130929MA0936YT18我們將盡心盡力地為您作好售后服務(wù)。為了讓您能得到*快速、*滿意的服務(wù)，我廠本著“誠信經(jīng)營，穩(wěn)步發(fā)展，與時俱進(jìn)”的經(jīng)營理念和以誠信服務(wù)營造客戶放心選擇的服務(wù)宗旨，現(xiàn)作出并實(shí)行如下承諾：

Thank you very much for choosing the products of Xian County Pengyi construction instrument factory, business license registration number: 92130929MA0936YT18, we will do our best for you after-sales service. In order to provide you with the fastest ａnd most satisfactory service, our factory is in line with the business philosophy of "honest operation, steady development, keeping pace with the times" ａnd the service tenet of building customers＇ safe choice with honest service. We are making ａnd implementing the following commitments:

一、產(chǎn)品本廠承諾所有的系列產(chǎn)品，嚴(yán)格按照國標(biāo)、部標(biāo)標(biāo)準(zhǔn)組織生產(chǎn)，并承諾所提供的產(chǎn)品是全新的未曾使用過的，從原材料進(jìn)廠到設(shè)備出廠都經(jīng)過嚴(yán)格的和完善的檢驗(yàn)。

Our factory promises that all series of products will be produced in strict accordance with the National Standard ａnd the ministry standard, ａnd that the products will be brand-new ａnd unused, from the raw materials into the factory to the equipment factory after strict ａnd perfect inspection.

補(bǔ)償混凝土收縮膨脹儀誠信廠家