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Flow meters, pressure and temperature transmitters, level sensors, load cells and gauges, hygienic and industrial.
Send the serial number of the unit, and a photograph of its nameplate with it. The serial number is what the part is ordered against; the nameplate settles which version of the machine it belongs to, because the same number can appear on more than one.
Part numbers are welcome where you have them. The quotation states the genuine part, its origin and its lead time.
Process decisions in the plant, including CIP concentration, pasteurisation hold, fill weight and membrane pressure, are taken on instrument readings. An instrument that has drifted continues to report, and the reading is accepted.
| Instrument | Effect of drift |
|---|---|
| Load cell, weighing | Consistent giveaway or underfill across every pack |
| Temperature, pasteurisation | A food-safety critical control point |
| Pressure, membrane skid | Elements run outside specification, shortening life |
| CIP conductivity and concentration | Under-cleaning, or caustic stronger than intended attacking the seals |
Calibration produces a record, and the record is what an auditor requests.
Both values start in agreement. One diverges over twenty-four months without entering the alarm band.