Typical Problems and Engineering Suggestions
Q1: Can SRTT-B be used to test the impact wrench?
A: Absolutely not allowed. The document clearly warns that it is not suitable for impact tools. The high-frequency pulse of impact load can cause strain gauge fatigue and zero drift, and a dedicated dynamic torque sensor should be selected.
Q2: How to calculate the maximum torque when connecting multiple adapters?
A: Limited to the adapter with the minimum rated torque in the chain. For example, if a rated 500 N · m adapter is connected in series on SRTT-B 1000, the entire system cannot exceed 500 N · m.
Q3: Why is the reading inaccurate when using third-party instruments?
A: It is necessary to confirm that the shunt calibration value and bridge resistance (350 Ω) on the sensor label are correctly inputted, and the excitation voltage is ± 5V. At the same time, check whether the temperature is within the specified range.
Q4: How to determine if the sensor is overloaded or damaged?
A: If there is a sustained deviation, decreased repeatability, or inability to return to zero in the measured values during the calibration cycle, plastic deformation may have occurred. It should be immediately stopped from use and sent for inspection.
