Mantis 5000 Especificaciones descargar pdf (Pagina 83)

1. Select the Baseline button in the Scan dialog box. Follow the on-screen prompts to

perform a 100%T baseline scan and a 0%T baseline scan.

Hot Tip

When collecting the 0%T baseline scan do not block the beam instead, remove the

PTFE reference disk from the reflectance port and allow the light to be trapped by

the magnetic port covers.

2. Once the baseline correction is complete, the Ordinate status display in the top left

corner of the dialog box will show ’Zero baseline’ in red text.

3. Clamp the sample over the reflectance port. The sample should be homogeneous,

substantially flat, and large enough to completely cover the image.

4. Click the Start button. The Save As dialog box will appear, allowing the method to

be saved as either a data file or a batch file. If the file is saved as a batch file, all of the

method parameters will be stored with the scan. The sample will be auto-corrected for

100%T, 0%T and Standard Reference.

5. Place your sample in the DRA and click Start.

The Cary will scan your sample and automatically perform the ASTM correction.

Maintenance

The performance of the integrating sphere is dependent on the efficiency of the coating

on the sphere and the reference plates, and the cleanliness of the optical components of

the accessory.

Keep the reference plates clean; if they become dirty, new plates are available from

Varian. The part number for the flat PTFE reference plate is 04 1014439 00, and for the

protruding PTFE reference plate 04 101988 00.

For technical support please contact Varian on:

Varian Analytical Instruments, Melbourne

679 Springvale Road

MULGRAVE, VIC 3170

Cleaning and Inspection

You may gently flush the accessory with pure nitrogen to remove water.

Perform this maintenance procedure weekly when the accessory is in use. Record the

results in the accessory or instrument maintenance log.

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Mantis 5000 Especificaciones Pagina 83