10
POWER CONNECTION
Plug the 12 Vdc adapter into the power supply socket.
Notes: These instruments use non-volatile memory to retain the pH, ISE calibrations and all
other settings, even when unplugged.
Make sure a fuse protects the main line.
ELECTRODE AND PROBE CONNECTIONS
For pH or ORP measurements, connect a pH/ORP electrode with internal reference to the BNC
connector located on the rear panel of the instrument (to the desired channel - HI5222 only).
For ISE measurements, (HI5222 only) connect, to the desired channel, an ISE electrode with internal
reference to the BNC connector located on the rear panel of the instrument.
For electrodes with a separate reference, connect the electrode’s BNC to the BNC connector and the
electrode’s reference to the reference input socket.
For temperature measurement and automatic temperature compensation, connect the temperature
probe to the appropriate socket (to desired channel - HI5222 only).
INSTRUMENT START UP
• Please ensure that the capacitive keypad is not covered by hand or other objects at the meter
power on.
• Turn the instrument on from the power button located on the rear panel of the instrument.
• Please wait until the instrument finishes the initialization process.
Note: It is normal for the loading process to take a few seconds. If the instrument doesn’t
display the next screen, restart the meter using the power button. If the problem persists,
contact your local Hanna Instruments Office.
OPERATIONAL GUIDE
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