1. General inspection of the instrument.
2. Check of the internal mechanisms.
3. Replacement of the pivot point.
4. Check of the shaft and replacement if necessary.
All the actions taken will be explained and included with a calibration and servicing certificate.
Standard calibration of viscosity measurements instruments is necessary annually but also on regular basic in your laboratory.
Bellow you will find advice on the procedure, oils which should be use and reading you should receive from the instrument.
|Spring Type||Recommended Standard||Temperature||Spindle||Speed rpm|
|LV Series||1000 cPs Cat No. RT1000||25.0 C||L3||60|
|RV Series||5000 cPs Cat No. RT5000||25.0 C||R5||50|
|HV Series||12500 cPs Cat No.RT12500||25.0 C||R3||50|
NOTE: With disc type spindles it is sometimes necessary to tilt the spindle slightly while immersing to avoid trapping air bubbles on the disc under surface. You may find it more convenient to immerse the spindle in this fashion before attaching it to the viscometer.
If necessary, calibration can also be checked at other points. Listings of further calibration sets can be given.
Your instruments reading should be within 1% +/- of the full scale reading. Affix new calibration label and date label. Labels are available from QC Labs.
Please also remember that the standard is calibrated to 0.2% of its stated value and you will need to allow for this possible error as well.
NOTE: If your reading is outside these error tolerances then you should check the following:
If your reading is still outside the error limits then it may need servicing and re-calibration. To arrange please contact:QCLabs Equipment Tel: 020 8523 3003
If you have any problems carrying out your calibration check, or require information on the calibration of any types of viscometers, please contact us for advice.
The Calibration oils used in the above procedure are accurate to +/- 0.2% and are certified over 6 temperatures from 20.00 to 27.00 Degrees Cenntigrade.