FEATURES
WST707 customized Rod Pump Load Cell, The sensor adopts a cylindrical simply supported beam structure with internal sealing, featuring good dynamic performance, high overall accuracy, and characteristics such as corrosion resistance, dustproofing, and waterproofing. It also enables wireless transmission. Specifically designed for automated testing and control signal acquisition of oilfield pumping units, it can directly output various standard signals.
SPECIFICATION
| Parameters | units | specification | Parameters | units | specification |
| Sensitivity | mV/V | 1.0~1.5±0.05 | Sensitivity temperature coefficient | ≤%F·S/10℃ | ±0.1 |
| Nonlinearity | ≤%F·S | ±0.3 | Operating Temperature Range | ℃ | -20℃～+80℃ |
| Hysteresis | ≤%F·S | ±0.3 | Input resistance | Ω | 750±20Ω |
| Repeatability | ≤%F·S | ±0.15 | Output resistance | Ω | 700±5Ω |
| Creep | ≤%F·S/30min | ±0.1 | Safety overload | ≤%F·S | 150%F·S |
| Zero output | ≤%F·S | ±1 | Insulation Resistance | MΩ | ≥2000MΩ（50VDC） |
| Zero temperature coefficient | ≤%F·S/10℃ | ±0.1 | Recommended excitation voltage | V | 10V～15V |
