• Accuracy: < 0.1% F.S. • Excitation Voltage: 5 - 15 V DC • Full-Scale Deflection: < 0.3 mm • Selectable Range: 0.1 - 20 kN • Technology: Silicon Piezoresistive • Housing: Stainless Steel
- 304 stainless steel monolithic housing - Amplitude-frequency response up to 10,000 Hz - 10,000g shock resistance on any axis - Selectable measurement range: ±50g to ±500g - MEMS variable capacitance technology - Lightweight: 15g
Accuracy: ±0.02% span over the temperature range Response Time: 300 milliseconds or less Long-term Stability: ±100 ppm FS/year Measurement Range: 0-20 MPa (selectable) Sensing Technology: Silicon resonant sensor Overpressure Tolerance: 1.5 times the full-scale pressure
Product Overview
The JSFR2A2 is a very compact, highly accurate miniature tension compression load cell designed mainly to measure the force in two directions in very small spaces. By using silicon piezoresistive technology, it not only reaches a high level of accuracy (<0.1% F.S.), but also has a very good stability, characteristics that make such a product perfect for being integrated into material testing machines, push-pull force testers, and fatigue testing systems. Besides, a very simple column-shaped and highly durable stainless steel case allow for its functioning not only in laboratory but also in industrial as well as R&D environments.
Product Dimensions
Product Electrical Interface
| Wiring Color | Red | Black/Blue | Green | White |
| Pin Definition | Power Positive (+V) | Power Ground* (GND) | Signal Positive (+Out) | Signal Negative (-Out) |
* Note: Reference ground for signal measurement
Technical Advantages
● Ultra-precision & Repeatability: An accuracy level of <0.1% F.S. that allows you to achieve reliable outcomes whether you are doing research or are engaged in quality control.
● Two-Directional Force Measurement: The device is capable of sensing both tensile and compressive forces within a selectable range of 0.1–20 N.
● Barely Noticeable Impact: Given that full-scale deformation is less than 0.3 mm, the sensor mechanically affects the test setups to the least degree possible.
● Small & Strong Design: The use of stainless steel for the housing ensures resistance to corrosion and thus a long service life even in unfavourable conditions.
● Effortless Integration: Usual voltage excitation (5–15 V DC) combined with an analog output makes it easy to connect to data acquisition systems without the need for an intermediary device.
Core Applications
● Material Testing Machines: Give accurate confirmation of the applied force in universal testing machines for plastics, metals, and composites.
● Push-Pull Force Testers: Works seamlessly with automated systems for checking connector insertion force and switch actuation.
● Fatigue Testing Systems: Provides data on cyclic loads on the components necessary for the determination of fatigue life.
● Laboratory & Research: Facilitates the research of micro-mechanics as well as the analysis of the performance of prototypes.
● Production Line QC: Guarantees that assembly forces conform to the standards for devices like electronics, medical equipment, and automotive subsystems.
Performance Specifications
Unless otherwise specified, all testing was conducted under the following conditions: 12 VDC, 25°C, 50% R.H., and 1 standard atmosphere.
| No. | Parameter | JSFR2A2-0.1 | JSFR2A2-0.2 | JSFR2A2-0.5 | JSFR2A2-1 | JSFR2A2-2 | JSFR2A2-5 | JSFR2A2-10 | JSFR2A2-20 | Unit |
| 1 | Rated Capacity | 0.1 | 0.2 | 0.5 | 1 | 2 | 5 | 10 | 20 | kN |
| 2 | Rated Output | 2.0±10% | mV/V | |||||||
| 3 | Zero Output | ±0.05 | mV/V | |||||||
| 4 | Input Resistance | 385±50 | Ω | |||||||
| 5 | Output Resistance | 350±50 | Ω | |||||||
| 6 | Insulation Resistance | ≥5000 MΩ @ 100V DC | - | |||||||
| 7 | Excitation Voltage | 5-15 (Recommended: 10) | V DC | |||||||
| 8 | Non-Linearity | < 0.1 | % F.S. | |||||||
| 9 | Hysteresis | < 0.1 | % F.S. | |||||||
| 10 | Repeatability | < 0.05 | % F.S. | |||||||
| 11 | Combined Error | < 0.1 | % F.S. | |||||||
| 12 | Full-Scale Deflection | < 0.3 | mm | |||||||
| 13 | Natural Frequency | > 800 | Hz | |||||||
| 14 | Safe Overload | 150 | % F.S. | |||||||
| 15 | Ingress Protection | IP66 | - | |||||||
| 16 | Housing Material | Stainless Steel | - | |||||||
| 17 | Operating Temperature | -20 to +80 | °C | |||||||
FAQs
1. Q: What is the major benefit of the piezoresistive principle in this load cell?
A: It results in very high accuracy (0.1% FS) and a high-frequency response (>800Hz) that makes it fit for dynamic force measurements in material testing and fatigue analysis.
2. Q: Is this sensor capable of measuring forces in both tension and compression?
A: That's right, it provides bidirectional measurement, so it will not only measure tension but also compression forces with the same high accuracy from 0.1kN to 20kN.
3. Q: Why is this sensor good for applications in small spaces?
A: The sensor's column is designed to be very compact, and it deflects very little (<0.3mm); thus, it can be used in very cramped spots where conventional load cells wouldn't be able to fit.
4. Q: How to pick the capacity model based on the needs of your work?
A: You should pick a load capacity such that the load you apply during normal operations would be 50-80% of the maximum range of the model. In this way, you get the best possible accuracy and still have a 150% safety margin against overload.
5. Q: What does the IP66 protection rating allow the sensor to do?
A: IP66 means that the sensor is totally protected against dust and can withstand powerful water jets. This makes the sensor very robust for operation in industrial environments and laboratories where it has to be cleaned or where there may be moisture.
