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Thermo Ramsey - Hoferick Engineering GmbH

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3. Select MANUAL<br />

The following screen displays:<br />

Manual Span<br />

Rate: 000.0 Tph<br />

Span # 00000000<br />

ENTER EXIT RUN<br />

Maintenance<br />

Default: 300000<br />

Min: 222223<br />

Max: 20000002<br />

3.10.4 Material Span Calibration<br />

Material span calibration is a machine directed procedure for calibrating the belt<br />

scale using actual material<br />

Pre-weighted or post-weighed material, having been weighed to a known<br />

accuracy on a static scale, passes across the belt scale. This procedure<br />

automatically adjusts the Integrator span and factors all simulated load test<br />

Calibration Constants (Cal Con) if the operator prefers they be factored.<br />

Use the following steps to perform a Material Span Calibration<br />

-- MAIN MENU 2 --<br />

Press MENU for more<br />

ZERO SPAN MAT’L<br />

CAL CAL CAL<br />

1. At main Menu 2, select mat’l cal<br />

2. Press the DOWN arrow. The following screen displays:<br />

MAT’L CALIBRATION<br />

Run belt empty, then<br />

press start.<br />

START MENU<br />

Run the belt for at least one minute or one belt revolution before<br />

proceeding.<br />

<strong>Thermo</strong> Fisher Scientific Maintenance 3-19<br />

REC 4175 Rev B

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