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產(chǎn)品簡(jiǎn)介
稱重傳感器WBFJ-日本昭和SHOWA 稱重傳感器 傳感器 日本昭和傳感器
詳細(xì)介紹
Features
- Covering the minute capacity range 0.3N to 1N.
- Built-in mechanisms that are hard to receive any effects from acceleration or inclination caused by vertical movements of load cell.
- Using special designed 350Ω strain gages for the detection of load, thereby, an excellent linearity or thermal coefficient of 0.035%R0 can be attained.
- Attractive load charactetistics in maximum overload （200%RO） and in side load （30%）.
- Guaranteeing the load leaving off coefficient up to 2.5 cm maximum.
- A specially designed mounting table （Optionally supplied） can be utilized as a measuring unit.
Appearance Dimensions
| Model | Capacity | Deflection | Natural frequency | Frequency response | Weight |
|---|---|---|---|---|---|
| WBFJ-03N | 300mN | 0.12mm | 70Hz | 38Hz | 37g |
| WBFJ-05N | 500mN | 0.09mm | 100Hz | 48Hz | 38g |
| WBFJ-1N | 1N | 0.06mm | 190Hz | 64Hz | 40g |
- * Weight shown in the above list does not include weight of the cables.
- * In the above list, the values of response frerquency are represented as the values of natural frequency at the full load.
Specifications
| Safe Overload | 200%RC |
| Maximum permissible overload | 300%RC |
| Acceptable overload of stopper | 500%RC |
| Maximum side load | 30%RC |
| Fatigue life | excess of 109 cycles |
| Rated Output | 1.0 mV/V±10% |
| Nonlinearity | 0.035%RO |
| Hysteresis | 0.040%RO |
| Load leaving off coefficient | 0.05%/cm |
| Excitation Voltage | 7V （or less） |
| Safe Excitation Voltage | 10V |
| Input Rsistance | 390Ω |
| Output Rsistance | 350Ω |
| Compensated Temp.Range | -10 to 45℃ |
| Safe Temp.Range | -20 to 60℃ |
| Temp.Effect on Zero | 0.008%RO/℃ |
| Temp.Effect on Output | 0.005%/℃ |
| Cable | Φ3mm-4wire shielded cable, length : 3m（tip peeled off） |
- Acceptable overload of stopper: The acceptable overload coefficient of stopper represents the maximum permissible overload value exceeding which the load cell in question can still retain its status as a load cell. In other words, any influences may not be produced in that load cell even in case when internal mechanisms might be damaged within this overload range.
- Maximum Side Load: The maximum side load coefficient represents the permissible load by which a load cell can endure at 90 degree angles with the loading axis of that load cell and it corresponds to 17.5 degrees if expressed by a slant angle against the loading point. Its sensitivity varies in proportion with "cosθ" but its varying accuracy is guaranteed.
- Load Leaving Off Coefficient: The load leaving off coefficient indicates the amount of variations in the output taking place when the load center leaves off from the axial center of the load cell. The leaving off distance of Model WBFJ is guaranteed to be 2.5 cm in the maximum.
- Non-sensible characteristics in vertical movements: In the standard practice of this company, the non-sensible characteristics in vertical movements of Model WBFJ should be compensated indivdually from unit to another. However, a specific load cell to be supplied to the user can be adjusted in accordance with the special nature of the rod which may be used at the user for the purpose of measurement with WBFJ （Option）.