混凝土表面应变计应用于监测砼箱梁、大型混凝土结构、水工大坝等混凝土表面的应力变化情况,安装方式牢固。
此产品是我公司基于光纤光栅传感技术,针对于混凝土表面的应变监测专门研发的产品。此传感器具有良好的防水功能,在比较大的湿度变化情况下,传感器工作性能稳定,技术指标。
JH-FGS-A1光纤光栅埋入式标准型应变计主要用于混凝土、钢筋混凝土或可塑性材料如基础、桩基、桥梁、隧道、衬砌等内部应变测量,以便于长期观测器结构应力应变的变化并进行状态分析。
JH-FGS-A1采用特有的弹性梁结构,具有较高的测量分辨率和测量精度,其内部敏感元件,无电源、本质安全、不受电磁干扰及雷击损伤,且可通过光纤进行长距离传输(30km)。现场安装时先将传感器固定在钢筋笼或其他支护结构上,然后在进行浇筑。产品符合国家建筑工业行业标准JG/T 422-2013。
产品特点
••安装方便,适合进行长期监测,尤其适用于混凝土箱梁、其他混凝土浇筑结构;
•单光栅,适用于环境温度变化小的工程,占用波长带宽资源少,批量实用性高,节省项目整体成本;
•尾纤采用PU披覆铠装光缆,具有优异的耐温性能和耐腐蚀、耐老化性能,适应长期野外存活环境。
技术参数
项目 | 参数值 |
量程(με) | ±1500 |
精度(με) | 1%F.S. |
分辨率(με) | 0.1% F.S. |
光栅数量 | 1 |
光栅中心波长(nm) | 1528~1563 |
反射率 | ≥85% |
工作温度范围(℃) | -30~85 |
尺寸(mm) | Φ22x130 |
尾纤 | 耐腐蚀PU披覆铠装光缆,两端各1.5m,可定制 |
连接方式 | 熔接或FC/APC接头 |
安装方式 | 焊接/粘接/螺栓固定 |
SLB700A应变传感器|德国HBM应变传感器的详细资料 |
The SLB700A strain transducer from HBM attaches directly to a plane surface with a friction joint and four bolts. This arrangement enables the strain of the test object to be transferred directly to the SLB700A making it ideal for installations where lack of space, or installation conditions, makes it difficult to use standard force transducers. Ideal applications for the stainless steel SLB700A include multi-stand and C-stand presses. The strain transducer is mainly intended for applications where high forces are to be measured such as roll stands and injection molding machines. Where bending effects need to be compensated, at least two SLB700A strain transducers should be mounted on opposite sides of the test piece and connected electrically in parallel. Screw on strain transducer strain gauge measurement system nominal strain 500 µm/m nominal sensitivity 1.5 mV/V fixed connection cable 6m long with free ends Screw on strain transducer strain gauge measurement system nominal strain 500 µm/m nominal sensitivity 1.5 mV/V fixed connection cable 12 m long with free ends Strain transducer with strain gage measuring system, Nominal (rated) strain 500 µm/m Output: 0 to 10V, Screw-on type, Fixed cable, 6 m long Strain transducer with strain gage measuring system, Nominal (rated) strain 500 µm/m Output: 4 to 20mA, Screw-on type, Fixed cable, 6 m long 1-SLB700A/06-1 1-SLB700A/12-1 1-SLB700A/06VA1-1 1-SLB700A/12VA1-1 |
The SLB700A strain transducer from HBM attaches directly to a plane surface with a friction joint and four bolts. This arrangement enables the strain of the test object to be transferred directly to the SLB700A making it ideal for installations where lack of space, or installation conditions, makes it difficult to use standard force transducers.
Ideal applications for the stainless steel SLB700A include multi-stand and C-stand presses. The strain transducer is mainly intended for applications where high forces are to be measured such as roll stands and injection molding machines.
Where bending effects need to be compensated, at least two SLB700A strain transducers should be mounted on opposite sides of the test piece and connected electrically in parallel.
Reliable measurement resultsThe SLB700A is designed with compensating elements for adapting to the different steel types commonly used in mechanical engineering. The feature means that the temperature effect that could lead to major zero offsets can be neglected. Without the compensating elements, the different thermal expansion coefficients of transducer and test object would change the transducer’s zero signal.
The SLB700A features a high degree of protection and comes supplied with an oil-resistant cable.
Easy integration into automation systemsThe PME and digiCLIP amplifier systems complete the SLB700A and provide a self-sustained monitoring unit for all industry requirements. The complete system features a CAN or Profibus interface for easy integration into automation systems.
Measuring system | strain gage full bridge |
Sensitivity [mV/V] | 1.5 |
Linearity deviation [%] | 5 |
Mounting | simple bolt-on design |
Nominal range | 500 um/m |
Nominal temperature [°C ] | -10...+40 |
Weight [g] |