微型应变花 RF9 的尺寸非常微小，因此特别适用于电路板和非常小的元器件的应力测量。
RF(应变花)
得益于其三个堆叠的测量栅丝，RF9 微型应变花的最小尺寸只有5mm 大小。由于它的直径小，它可以在非常有限的空间中确定未知主应力方向的双轴应力状态。因此，特别适用于电路板或小型元件的测量。
提供以下型号：
现在，微型应变花还提供了符合 JEDEC/IPC 9704 标准的几何尺寸。
如果空间是一个限制：在受限空间中进行未知主应力方向的双轴应力状态分析
无需焊接应变片
节省时间，立即开始！
| Code | 测量栅丝长度 | 测量栅丝长度 | 测量栅丝宽度 | 测量栅丝宽度 | 载板长度 | 载板长度 | 载板宽度 | 载板宽度 | 额度阻值 | 温度响应 | 连接配置 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1-RF91-0.8/120ZE | 0.8 mm | 0.031 in | 0.9 mm | 0.035 in | 5 mm | 0.197 in | 5 mm | 0.197 in | 120 Ohms, 120 Ohm | Ferritic steel (10.8 ppm/K; 6.0 ppm/°F), 低碳钢（10.8 ppm/K） | Leads, 引线 |
| 1-RF91-0.8/120_W | 0.8 mm | 0.031 in | 0.9 mm | 0.035 in | 5 mm | 0.197 in | 5 mm | 0.197 in | 120 Ohms, 120 Ohm | Ferritic steel (10.8 ppm/K; 6.0 ppm/°F), 低碳钢（10.8 ppm/K） | Integrated solder tabs, 集成焊接片 |
| 1-RF91-1.4/350VE | 1.4 mm | 0.055 in | 1.4 mm | 0.055 in | 6 mm | 0.236 in | 6 mm | 0.236 in | 350 Ohms, 350 Ohms | Ferritic steel (10.8 ppm/K; 6.0 ppm/°F), 低碳钢（10.8 ppm/K） | Leads, 引线 |
| 1-RF91-1/120DE | 1 mm | 0.0394 in | 1 mm | 0.039 in | 5.2 mm | 0.205 in | 5.2 mm | 0.205 in | 120 Ohms, 120 Ohm | Ferritic steel (10.8 ppm/K; 6.0 ppm/°F), 低碳钢（10.8 ppm/K） | Leads, 引线 |
| 1-RF91-1/120ZE | 1 mm | 0.0394 in | 1 mm | 0.0394 in | 5.2 mm | 0.205 in | 5.2 mm | 0.205 in | 120 Ohms, 120 Ohm | Ferritic steel (10.8 ppm/K; 6.0 ppm/°F), 低碳钢（10.8 ppm/K） | Leads, 引线 |
| 1-RF93-0.8/120ZE | 0.8 mm | 0.031 in | 0.9 mm | 0.035 in | 5 mm | 0.197 in | 5 mm | 0.197 in | 120 Ohms, 120 Ohm | Aluminium (23 ppm/K; 12.8 ppm/°F), 铝（23 ppm/K） | Leads, 引线 |
| 1-RF93-0.8/120_W | 0.8 mm | 0.031 in | 0.9 mm | 0.035 in | 5 mm | 0.197 in | 5 mm | 0.197 in | 120 Ohms, 120 Ohm | Aluminium (23 ppm/K; 12.8 ppm/°F), 铝（23 ppm/K） | Integrated solder tabs, 集成焊接片 |
| 1-RF93-1.4/350VE | 1.4 mm | 0.055 in | 1.4 mm | 0.055 in | 6 mm | 0.236 in | 6 mm | 0.236 in | 350 Ohms, 350 Ohms | Aluminium (23 ppm/K; 12.8 ppm/°F), 铝（23 ppm/K） | Leads, 引线 |
| 1-RF93-1/120ZE | 1 mm | 0.0394 in | 1 mm | 0.0394 in | 5.2 mm | 0.205 in | 5.2 mm | 0.205 in | 120 Ohms, 120 Ohm | Aluminium (23 ppm/K; 12.8 ppm/°F), 铝（23 ppm/K） | Leads, 引线 |
| 1-RF95-0.8/120ZE | 0.8 mm | 0.031 in | 0.9 mm | 0.035 in | 5 mm | 0.197 in | 5 mm | 0.197 in | 120 Ohms, 120 Ohm | Austenitic steel (16 ppm/K; 8.9 ppm/°F), 奥氏体钢（16 ppm/K） | Leads, 引线 |
| 1-RF95-0.8/120_W | 0.8 mm | 0.031 in | 0.9 mm | 0.035 in | 5 mm | 0.197 in | 5 mm | 0.197 in | 120 Ohms, 120 Ohm | Austenitic steel (16 ppm/K; 8.9 ppm/°F), 奥氏体钢（16 ppm/K） | Leads, 引线 |
| 1-RF95-1.4/350VE | 1.4 mm | 0.055 in | 1.4 mm | 0.055 in | 6 mm | 0.236 in | 6 mm | 0.236 in | 350 Ohms, 350 Ohms | Austenitic steel (16 ppm/K; 8.9 ppm/°F), 奥氏体钢（16 ppm/K） | Leads, 引线 |
| 1-RF95-1/120ZE | 1 mm | 0.0394 in | 1 mm | 0.0394 in | 5.2 mm | 0.205 in | 5.2 mm | 0.205 in | 120 Ohms, 120 Ohm | Austenitic steel (16 ppm/K; 8.9 ppm/°F), 奥氏体钢（16 ppm/K） | Leads, 引线 |
| F Series - 數據表 | Data Sheets | English |
| F Series - 數據表 | Data Sheets | German |
| F Series - 數據表 | Data Sheets | Japanese |
| F Series - 數據表 | Data Sheets | French |
| F Series - 數據表 | Data Sheets | Spanish |
| F Series - 數據表 | Data Sheets | Portuguese |
| F Series - 數據表 | Data Sheets | Chinese |
| F Series - 數據表 | Data Sheets | Italian |
Certificates and Approvals
| Strain Gauges - 符合性聲明 | Declaration of Conformity | English |
| Type/technology | Foil strain gauge |
| Application | Stress Analysis / structural testing |
| Geometry | 3-grid rosette |
| Measuring grid length | 1 mm, 1.4 mm, 0.8 mm |
| Measuring grid length | 0.0394 in, 0.055 in, 0.031 in |
| Measuring grid width | 1 mm, 1.4 mm, 0.9 mm |
| Measuring grid width | 0.0394 in, 0.055 in, 0.035 in, 0.039 in |
| Carrier length | 5.2 mm, 6 mm, 5 mm |
| Carrier length | 0.205 in, 0.236 in, 0.197 in |
| Carrier width | 5.2 mm, 6 mm, 5 mm |
| Carrier width | 0.205 in, 0.236 in, 0.197 in |
| Temperature range | Limited temperature range |
| Nominal resistance | 120 Ohms, 350 Ohms |
| Gauge factor (measuring grid material) | Constantan (ca 2.0) |
| Temperature response | Ferritic steel (10.8 ppm/K; 6.0 ppm/°F), Austenitic steel (16 ppm/K; 8.9 ppm/°F), Aluminium (23 ppm/K; 12.8 ppm/°F) |
| Maximum elongation | Standard |
| Fatigue life | Standard |
| Connection configuration | Leads, Integrated solder tabs |
| Mounting | Bondable |
| Grid protection | Covered |
RF91 miniature rosette with attached copper wire and ribbon cable
Watch the video and learn how to bond the RF91 miniature rosette on a PCB:
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
