Product Description: CRI 250 piezoelectric injector tester can drive the piezoelectric injector and test the AHE, resistance; Capacitance; Resistance;1. Piezoelectric crystal resistance;2. Piezoelectric crystal capacitance;3. Insulation resistance of piezoelectric oil injector;4. Dynamic travel of piezoelectric crystal;5. Drive the piezoelectric oil injector; Function . ON/OFF Knob， a.Press the ON/OFF knob：Run or stop,The lower right corner of the screen shows the current status:ON/OFF；b.Turn the ON/OFF knob left and right:In mode 1, 3, 4, adjustable voltage value: 0 ～ 178V;In mode 5, the pulse width can be adjusted; 0 ～ 5000us2. MODE Knob3. Press the MODE knob: Enter the submenu, or return to the main menu；4. In mode 5 rotate the MODE knob left or right to adjust the injection frequencyBack View① Power socket: AC: 100-240V;② Piezo injector drive harness;