The hydraulic universal testing machine uses the computer to control and display the test. Therefore, the device needs to be zeroed during use. Let us look at the related operation!
- Open test equipment, computer and control software
- For the hydraulic universal testing machine, select the appropriate range according to the sample, adjust the oil delivery valve to raise the cylinder piston and repeat it several times. When the piston is rising and not under pressure, observe whether the test force value of the computer at this time is zero. If it is not zero, click the hardware adjustment button to adjust the zero point.
Hydraulic universal testing machine use precautions:
- When the cylinder is not raised, the test force shows a negative value, which is normal. Please do not adjust the zero point.
- Under normal circumstances, the speed control personnel have adjusted the zero point of the sensor. Each time it is started, the system will automatically calibrate the start zero point, without the need for the user to adjust.
- There is no adjustment zero point for the non-separate measurement, because the hydraulic universal testing machine does not divide the whole process, so the matter applies to the electronic
- When the zero point is too large, adjust the zero point first, then clear the software separately in each gear position.
- For the adjustment of the zero point, it should be carried out after the extensometer is clamped on the specimen and the test piston is at rest.
- The user can adjust the hardware zero point with the hardware zero button, and the system will automatically record the new zero adjustment value.
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