Forsentek Co., Limited
Forsentek Co., Limited
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Low Range Single Point Load Cell 30g Low Capacity Single Point Weight Sensor 30g
Low Capacity Single Point Load Cell FMJ-30g is made of aluminum based on strain gauge technology with 30g rated capacity, high accuracy with 0.05% non-linearity of the full scale. You may find low range single point load cell FMJ-30g suitable for electronic balance, jewelry scales and other industrial weighing applications.
Dimensions
Specifications
| Capacity | 30g |
| Rated output | 0.5±0.15mV/V |
| Excitation | 3-10V |
| Zero balance | ±0.1mV/V |
| Nonlinearity | ±0.05% R.O. |
| Hysteresis | ±0.05% R.O. |
| Nonrepeatability | ±0.05% R.O. |
| Creep(2min) | ±0.05% R.O. |
| Safe overload | 150% F.S. |
| Ultimate overload | 200% F.S. |
| Compensated temperature | -10...+40oC |
| Operating temperature | -20...+60oC |
| Temperature shift zero | ±0.1% R.O./oC |
| Temperature shift span | ±0.05% R.O./10oC |
| Input resistance | 1150±100 ohms |
| Output resistance | 1050±100 ohms |
| Insulation resistance | >2000M ohms |
| Ingress protection | IP50 |
| Material of element | Aluminum alloy |
| Cable | AWG32*90(Longer cable available) |
| Wiring code | Red--Excitation+ Black--Excitation- Green--Signal+ White--Signal- |
A load cell is used to determine mass: The weight force exerted by the sample is converted into an electrical signal by the load cell. Load cells are therefore the most important components of an electronic scale. One of the most widely used technologies is based on strain gauge technology: an analog load cell consists of a measuring element (so-called spring body) made of steel or aluminum, on which strain gauges (Wheatstone bridge) are mounted, strain gauges are electrical resistors that change their resistance while loaded, these resistance change leads to the change of output signal, the load/weight then can be measured and evaluated by measuring the output signal from the wheatstone bridge. Overloading is the most common cause of loadcell failure, a load sensor is just like a spring in certain aspects, which will be damaged if overstretched or overloaded. A machanical stop can be used to protect the sensor from excessive deformation. The deformation gap can be determined by loading the sensor with rated capacity, then adjust the meachnical stop to reach the bottom of the transducer. In most cases, the load cell will be used to measure load at 40-80% of the full capacity, thus the deformation gap can be adjusted using reference load a bit higher than the target load to be measured instead of the rated capacity.
Low Range Single Point Load Cell 30g Low Capacity Single Point Weight Sensor 30g