快速轻松地设计和构建您自己的探头,用于只有梁的一侧可用于应变计安装的弯曲或轴向应变应用。查找材料的弹性模量和屈服强度,并设计弹簧单元,以便您将在应力-应变曲线的线性部分工作。为获得出色效果,请使用不锈钢或铝,并将材料与应变计温度特性相匹配。
安装一个完整的桥,因为一个托架具有所有4个应变片。拥有一个带有多个应变计的载体具有多种优势。4个应变计相对于彼此的对齐已经为您完成。
应变片共用带状引线或焊盘,从而节省了接线步骤和宝贵的时间。只需将可粘合接线垫放在附近,然后将4根引线( 激励、-激励、 信号、-信号)连接到已经完成的完整惠斯通电桥。
打开传感器的电源,并使用已知的外加负载对其进行校准。整座桥在主应力方向上有2个完全有效的应变计和2个应变计,可以看到泊松比的影响。完整的惠斯通电桥倾向于消除热误差和离轴误差。
SGT-3G/350-FB**有5个端子,这意味着它在信号端子处有一个开角,用于添加零点温度补偿和零点平衡补偿电阻器。本页所有其他全桥式量具都有4个端子
OMEGA应变片订货信息:
| 引线 未显示 | 型号(5件装) | NOM. RESIS- TANCE(Ω) | 尺寸mm(inch)† | Max V* (Vrms) | TERMINATION | TEMP COMP |
| grid | carrier |
| A | B | C | D |
尺寸8.3mm
 | SGT-3G/350-FB11 | 350 | 2.5 | 2.9 | 10.5 | 9.3 | 9 | Ribbon Leads | ST |
| SGT-3G/350-FB13 | 350 | (0.098) | (0.114) | (0.413) | (0.366) | 13 | Ribbon Leads | AL |
| SGT-3G/350-FB41 | 350 | Full bridge for bending or axial strain, single surface gaging, 5 leads/solder pads, open corner in bridge 350 Ω | 9 | Solder Pads | ST |
| SGT-3G/350-FB43 | 350 | 13 | Solder Pads | AL |
尺寸8.8mm
 | SGT-2/1000-FB11 | 1000 | 1.8 | 2.4 | 8.0 | 6.5 | 12 | Ribbon Leads | ST |
| SGT-2/1000-FB13 | 1000 | (0.071) | (0.094) | (0.315) | (0.256) | 16 | Ribbon Leads | AL |
| SGT-2/1000-FB41 | 1000 | Full bridge for bending or axial strain, single surface gaging 1000 Ω | 12 | Solder Pads | ST |
| SGT-2/1000-FB43 | 1000 | 16 | Solder Pads | AL |
尺寸5.8mm
 | SGT-2/350-FB11 | 350 | 1.8 | 2.0 | 10 | 9.0 | 6.5 | Ribbon Leads | ST |
| SGT-2/350-FB13 | 350 | (0.071) | (0.079) | (0.394) | (0.354) | 9 | Ribbon Leads | AL |
| SGT-2/350-FB41 | 350 | Full bridge for bending or axial strain 350 Ω | 6.5 | Solder Pads | ST |
| SGT-2/350-FB43 | 350 | 9 | Solder Pads | AL |
尺寸13mm
 | SGT-4/1000-FB11 | 1000 | 4.0 | 4.3 | 14.8 | 11.1 | 23 | Ribbon Leads | ST |
| SGT-4/1000-FB13 | 1000 | (0.157) | (0.169) | (0.583) | (0.437) | 33 | Ribbon Leads | AL |
| SGT-4/1000-FB41 | 1000 | Full bridge for bending or axial strain, single surface gaging 1000 Ω | 23 | Solder Pads | ST |
| SGT-4/1000-FB43 | 1000 | 33 | Solder Pads | AL |
ST=Steel
AL=Aluminum
†尺寸可定制,请留言
*至大允许电桥通电电压(Vrms)。
**FB11,FB13,FB41orFB43
注意:有关应变计附件另售