- PROCEDURE:
- Model: 550
- Make: METTLER TOLEDO
- Maintenance procedure:
- The only maintenance that is required on a regular basis is replacement of the UV lamp.
- When the lamp usage time has reached 4000hours, a UV lamp alarm appears on the display.
- At some point after 4000hours, the UV radiation will gradually degrade and eventually will affect the validity of the measurement.
- If the glass portion of the lamp has been exposed to fingerprint or contaminants, clean the lamp with a high purity grade of methanol and scratch-free cloth or towel.
- If the instrument is not working, tag the instrument with UNDER MAITENANCE label. Inform to the service engineer for rectification. Calibrate the instrument after rectification.
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