User Manual Q&AAnswer
Feb 22, 2025 - 10:56 AM
To calibrate the , follow these steps:
1. Preparation for Calibration:
- Make sure you have the appropriate calibration solutions. The instrument requires AMCO Polymer or Formazin Solution for calibration.
- Replace the zero turbidity solution if needed. Open the vial cap, rinse the vial with distilled water, and pour in fresh AMCO 0.0 NTU calibration solution or laboratory distilled water.
2. Clean the vial surface:
- Apply a small drop of silicone oil on the surface of the vial and wipe it off with a lint-free cloth to evenly distribute the silicone oil. Make sure not to apply too much silicone oil.
3. Calibration Procedure:
- Power on the instrument and wait for it to warm up if necessary.
- Open the flip cover of the sample vial holder and place the appropriate calibration vial (e.g., 0 NTU or 20 NTU) in the holder.
- Press the calibration button to enter the calibration menu.
- Follow the on-screen instructions to calibrate the instrument at the selected calibration point.
- After calibration is done, press the calibration button to confirm and proceed to calibrate other points if needed.
- Once all calibration points are calibrated, press the calibration button to exit calibration mode.
Note: It is important to use the correct calibration solutions and follow the cleaning and calibration procedures accurately to ensure accurate measurements.
For more detailed instructions and information, refer to the Apera Instruments TN400 Portable Turbidity Meter Instruction Manual.
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