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electronic universal testing machine universal testing machine and hydraulic oil source on different
(1) hydraulic universal parher metric hose fittings testing machine by oil source traffic restrictions.
Hydraulic universal testing machine test speed is low; manual hydraulic universal testing machine, the operation is more simple, cheap, but the control accuracy is low. Electro-hydraulic servo universal testing machine, performance is compared with the electronic universal testing machine, in addition to low speed, the control accuracy is not bad.
Load sensor using computer controlled electro-hydraulic servo universal testing machine, precision force value can be up to 0.5%, and in the bigger tonnage mechanical tests, more reliable, more stable, more cost-effective.
(2) electronic universal testing machine without oil source.
Because electronic universal testing machine without oil source, so the device will be cleaner, easier to parher metric bolt  use and maintenance. Electronic universal testing machine test speed range can be adjusted, the test speeds of up 0.001mm/min-1000mm/min, ratio of up to 100 million times, experimental stroke according to need, more flexible.
Force measurement accuracy, and some can even reach 0.2%, small size, light weight, space, convenience plus with the appropriate device to do the mechanics of materials testing. Truly a multi-purpose machine. Jinan, the current domestic mainstream manufacturers of parher reusable hose fittings electronic testing machine universal testing machine, can do load control, strain control, displacement control the so-called three closed-loop control.