Hanna-instruments HI 3220 Manual do Utilizador descarregar pdf (Página 48)

mV CALIBRATION

A two point calibration can be performed at 0 mV and 1800 mV.

• Attach to the BNC connector a mV simulator with an accuracy of ±0.1 mV.

• Enter the calibration screen. Press mV function key.

• Set 0.0 mV on the simulator.

• When the reading is stable and close to the selected calibration point, the

Confirm function key is displayed.

• Press Confirm to confirm. The second calibration point of 1800 mV will be

displayed.

• Set 1800.0 mV on the simulator.

• When the reading is stable and close to the selected calibration point, the

Confirm function key is displayed.

• Press Confirm to confirm. The instrument returns to calibration screen.

• Press ESC to return to measurement mode.

Notes:•If the reading is not close to the selected calibration point, “WRONG”

tag will blink. Verify calibration condition or contact your vendor if

you cannot calibrate.

•Press CAL or ESC in any moment of the calibration process. The

instrument will return in the measurement mode.

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Hanna-instruments HI 3220 Manual do Utilizador Página 48