Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Bridge Configuration | Full-Bridge Wheatstone |
| Measurement Range | ±2000 µε (Microstrain) |
| Sensitivity | 2.0 mV/V nominal |
| Operating Temperature | -40°C to +85°C |
| Input Impedance | 350 Ω ± 5% |
| Output Impedance | 350 Ω ± 5% |
| Excitation Voltage | 5V to 10V DC recommended |
| Material Substrate | Reinforced Epoxy with Polyimide Backing |
| Application Suitability | Rebar, Steel Beams, Concrete Structures |
| Connection Type | 4-Wire Solder Pads |
Anonymous
Mar 28, 2026
Rating: 5/5
Consistent performance across batches
Ordered three separate batches over six months for a long-term monitoring station. The calibration factors remained consistent between all units, which saved us significant time on individual recalibration. Highly recommended for serious engineering applications.
Anonymous
Mar 26, 2026
Rating: 5/5
Reliable under heavy load
Tested these up to 90% of their rated capacity during concrete curing simulations. No signs of creep or hysteresis issues. The epoxy backing held up well against the alkaline environment of the wet concrete.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for lab environments
Bought a batch for our university materials science lab. Students found them easy to interface with standard DAQ systems. The output signal is strong enough that we didn't need excessive amplification, which helped reduce noise in our final datasets.
Anonymous
Mar 12, 2026
Rating: 4/5
Good value for industrial sensors
Compared to custom-machined load cells, these modules offer a cost-effective solution for distributed sensing. The only reason for 4 stars instead of 5 is that the solder pads are slightly small for thick gauge wires, so use fine tipped tools.
Anonymous
Mar 08, 2026
Rating: 5/5
Excellent stability for structural testing
We used these modules for monitoring rebar deformation in a bridge reinforcement project. The full-bridge configuration significantly reduced thermal drift compared to our previous quarter-bridge setups. Data acquisition was clean and consistent over a 48-hour stress test.
Anonymous
Mar 01, 2026
Rating: 4/5
High precision but requires careful installation
The sensor itself is very accurate and responsive to tensile stress changes. However, bonding it to the curved rebar surface required specific adhesive and patience to ensure no air bubbles. Once installed correctly, the readings are spot on.
Q: Can I daisy-chain multiple sensors on one channel?
A: No, each full-bridge sensor should be connected to its own dedicated input channel on your data acquisition system to ensure accurate strain measurement. Parallel connection will invalidate the bridge balance and reading accuracy.
Q: Does this module include temperature compensation?
A: Yes, the full-bridge configuration provides inherent temperature compensation for uniform temperature changes across the gauge. For extreme gradients, additional software compensation using a separate temperature probe may be beneficial.
Q: Is there a protective coating included for corrosion resistance?
A: The module comes with a standard polyimide backing which offers basic moisture resistance. For harsh outdoor environments or long-term burial, we advise applying an additional layer of specialized silicone sealant or wax after installation.
Q: Can this sensor be embedded directly into wet concrete?
A: While the sensor is designed for monitoring rebar within concrete structures, it should be bonded to the rebar before the concrete is poured. Ensure the bonding adhesive is fully cured and compatible with high-pH environments before embedding.
Q: What is the recommended excitation voltage for maximum linearity?
A: For optimal linearity and minimal self-heating effects, we recommend an excitation voltage of 5V DC. You may go up to 10V if your data acquisition system requires a higher signal-to-noise ratio, provided adequate heat dissipation is ensured.
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