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Crystal LarsenAug 15, 2025
What to do if Hach LXV321.99.00001 shows a calibration error?
- MMonica MaxwellAug 15, 2025
A calibration error on the Hach Measuring Instruments means there is no calibration available, or the calibration points are set incorrectly (upper and lower calibration points transposed). Recalibration is required. Note that a 1-point default calibration of DS curves may not be sufficiently precise for the measuring medium.