Giatec SmartBox™

Giatec SmartBox™是一款用于持续测量和监测新拌混凝土电阻率及温度的紧凑型无线设备。它可进行连续测量和数据记录,数据可下载到Android智能手机或平板电脑上的移动应用程序中。

新拌混凝土电阻率是混凝土含水量、凝结及硬化的重要指标数据。SmartBox™是这些科研领域中的有效工具。


资料下载
  • SmartBox™ 数据表
  • Giatec - 产品手册
  • Wireless monitoring of concrete resistivity and temperature Wireless monitoring of concrete resistivity and temperature Wireless monitoring of concrete resistivity and temperature SWireless monitoring of concrete resistivity and temperature Wireless monitoring of concrete resistivity and temperature
    SmartBox™可用于监测新拌混凝土的电阻率和温度。用来提供以下信息:
    • 新拌混凝土的水含量
    • 凝结时间
    • 凝结时间预测
    • 混凝土裂纹检测
    • 无线技术
    • 紧凑型设计
    • 同时测量电阻率和温度
    • 新拌混凝土的最适频率
    • 电池寿命长(约3个月*)
    • 移动应用程序为Android智能手机和平板电脑
    • 轻松实现数据共享
    • 专利申请中
    混凝土电阻率的测量方法已被用于许多研究领域,但目前还没有标准化。然而,AASHTO TP95-11中提供了表面电阻率测量的测试标准。ASTM关于该测试的标准也正在开发中。在AASHTO测试规范中,题为“用混凝土表电阻率指示抗氯离子渗透率的标准方法”的副本可点击 这里下载。
    General
    读取范围 测量频率 准确度 测量时间
    1 – 3000 Ω 10 kHz ± 2% <1 s

    工作条件
    类型 数值
    工作温度 -20 ~ 45 °C
    工作湿度 10 ~ 90%
    电池充电器规格 输入:100-240Vac (50-60Hz)/输出:5Vdc(500mA)
    SmartBox™ 尺寸 85 x 55 x 22 mm
    产品编号 产品名称 产品描述
    900088 SmartBox™ 完整装 SmartBox™ 智能盒,10对定制的测量棒,10个温度传感器,新拌混凝土探头,USB充电器和连接线,坚固耐用的平板电脑,Android智能手机或平板电脑的应用程序,用户手册
    900089 SmartBox™ 必备装 SmartBox™ 智能盒, 新拌混凝土探头,一对定制的测量棒,温度传感器,USB充电器和连接线,Android智能手机或平板电脑的应用程序,用户手册

    技术规格
    编号 名称 说明
    900086 SmartBox™ 智能盒
    900085 SmartBox™ 测量棒 10对定制的测量棒
    900087 SmartBox™ 温度传感器 10个温度传感器
    问题1:电池寿命有多长?
    答: 常温下单次充电后,可持续记录数据三个月。

    问题2:电阻率和温度数据的几率间隔是多长?
    答: 标准数据记录间隔遵循以下时间表:
    a. 第一个24小时:每5分钟
    b. 接下来的72小时:每隔1小时
    c. 之后:每6小时
    您也可以自定义统一的间隔时间,从1分钟到几天不等。

    问题3:SmartBox最多可以记录多少数据?
    答:该设备可以存储在以下格式的1024个数据点:
    时间 | 日期 | 温度(C) | 电阻(欧姆)
    10:20 | 10/02/2015 | 23 | 789


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    4. Nikkanen, P. (1962). On the Electrical Properties of Concrete and Their Applications. Vaftion Tebsilliren Tutkirndaitos, Tiedotus, Sarja III, Rakennus 60, 75 pages. In Finnish with English summary.
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    9. Gowers, K. R. & Millard, S. G. (1999). Measurement of Concrete Resistivity for Assessment of Corrosion Severity of Steel Using Wenner Technique. ACI Material Journal, 96(5), 536-541.
    10. Hooton, R.D., Thomas, M.D.A., & Stanish, K., (2001). Prediction of Chloride Penetration in Concrete. Federal Highway Administration, Report No. FHWA-RD-00-142.
    11. Millard, S. G., Harrison, J. A., & Edwards, A. J. (1989). Measurements of the Electrical Resistivity of Reinforced Concrete Structures for the Assessment of Corrosion Risk. British Journal of NDT, 13(11), 617-621.
    12. Monfore, G. E. (1968). The Electrical Resistivity of Concrete. Journal of the PCA Research Development Laboratories, 10(2), 35-48.
    13. Morris, W., Moreno, E. I., & Sagues, A. A. (1996). Practical Evaluation of Resistivity of Concrete in Test Cylinders Using A Wenner Array Probe. Cement and Concrete Research, 26(12), 1779-1787.
    14. Nokken, M. R. & Hooton, R. D. (2006). Electrical Conductivity as a Prequalification and Quality Control. Concrete International, 28(10), 61-66.
    15. RILEM Technical Committee. (2005). Update of the Recommendation of RILEM TC 189-NEC Non-destructive Evaluation of the Concrete Cover (Comparative Test Part I, Comparative Test of Penetrability Methods). Materials & Structures, 38(284), 895-906.
    16. Sengul, O. & Gjorv, O. E. (2008). Electrical Resistivity Measurements for Quality Control During Concrete Construction. ACI Materials Journal, 105(6), 541-547.
    17. Sengul, O. & Gjorv, O. E. (2009). Effect of Embedded steel on Electrical Resistivity Measurements on Concrete Structures. ACI Materials Journal, 106(1), 11-18.
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