INSPECT PWH-303 Water Hardness Meter with Probe Instructions
- June 13, 2024
- INSPECT
Table of Contents
INSPECT PWH-303 Water Hardness Meter with Probe
Product Information
- Product Name: Calibration Adjustment Procedure
- Models: PWH-303, PCD-431, PCD-432, PSA-301
Product Usage Instructions
- Press and hold the HOLD button.
- While holding the HOLD button, press the POWER button to turn on the meter. Note that the HOLD button does not need to be pressed for an extended period; you can release it after powering on.
- Place the PROBE in the calibration solution.
- Press the HOLD button and then the REC button in quick succession.
- The upper LCD screen will briefly display CAL for about 1 second, indicating that the calibration process has started.
- During calibration, the upper LCD will display the test value, which will start flashing, while the lower LCD will display CAL.
- To adjust the value to the desired level, you can use the POWER button and the REC button.
- Release all buttons.
- The upper LCD will continue to flash for approximately 5 seconds, indicating that the reading step has begun.
- The lower LCD will start flashing as well, and the value displayed on the LCD cannot be adjusted.
- Once the reading step is complete, the upper LCD will show the word END, indicating that the calibration process is finished.
- The meter will save the calibration settings and return to the measurement mode.
By following these steps, you can successfully perform the user calibration process on your meter.
ADJUSTMENT PROCEDURE
- To make calibration adjustments on the meter (performed externally by the user) follow these steps:
- Press and hold the HOLD button, then press the POWER button to turn on the meter. It’s important to note that the HOLD button doesn’t need to be pressed for an extended period; you can release it after powering on.
- Next, place the PROBE in the calibration solution and press the HOLD button and then the REC button. At this point, the upper LCD screen will briefly display “CAL” for about 1 second before entering the calibration process.
- During calibration, the upper LCD will display the test value, which will start flashing, while the lower LCD will display “CAL.”
- To adjust the value to the desired level, you can press the POWER button and the REC button.
- Once you release the buttons, the upper LCD will continue to flash for approximately 5 seconds, indicating the reading step has begun. Meanwhile, the lower LCD will start flashing as well, and the value displayed on the LCD cannot be adjusted.
- After completing the above steps, the upper LCD will show the word “END,” indicating that the calibration process is finished. The meter will save the calibration settings and return to the measurement mode.
By following these steps, the user calibration process is completed.
Read User Manual Online (PDF format)
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