Hach HQ10 Manuel D'instructions page 10

LDO Sensor Replacement Kit
Figure 1 Installing New Sensor Cap
GB
1 Narrow shoulder towards probe tip.
8. Hold the update module to the back of the meter. Slide the rounded end of the
module until it stops at the probe holder. See Figure 2. The pins on the module
will align with the metal contact pads on the meter.
9. Sensor data is loaded automatically when the meter senses the update module.
The update takes less than two seconds.
10. After the sensor data is loaded, the meter will beep twice and display the
four-digit sensor lot code. Make sure the lot code on the meter display matches
the lot code printed on the sensor cap. The lot code begins with a number
between "3" and "9". See Figure 3.
Note: The serial number begins with a "0" or "1".
11. Press READ/OK to store the new sensor setup.
2 Narrow shoulder is inside the cap.
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