9
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5. GENERAL OPERATIONS
5.1. BATTERY REPLACEMENT
To replace the batteries, follow the next steps:
• Turn OFF the instrument.
• Remove the three screws on the back of the instrument to open the
battery compartment.
• Remove the old battery.
• Insert one new 9 V Alkaline battery in the battery compartment while
paying attention to the correct polarity.
• Close the battery compartment using the three screws.
Note:
If the battery percentage indicator is empty, the battery level is
too low and the battery needs to be replaced.
5.2. CONNECTING THE ELECTRODE
Align the DIN connector’s 8 pins with the socket and push in the plug.
5.3. TURNING THE METER ON
Turn the instrument on by pressing the On/Off key.
5.4. SENSOR PREPARATION & CONDITIONING
1. Remove the protective cap
2. If the protective cap does not contain any liquid, pour
HI70300
Storage solution into the cap.
3. Place it back on the sensor and soak for at least 30 min. before use.
4. Rinse with tap water prior to Calibration or Measurement.
