Brookfield DV-I Prime Manual do Utilizador descarregar pdf (Página 42)

Brookeld Engineering Laboratories, Inc. Page 42 Manual No. M/07-022-D0613

Appendix A - Cone/Plate Viscometer Set-Up

This Cone/Plate version of the DV-I PRIME uses the same operating instruction procedures as

described in this manual. However, the “gap” between the cone and the plate must be veried/

adjusted before measurements are made. This is done by moving the plate (built into the sample

cup) up towards the cone until the pin in the center of the cone touches the surface of the plate,

and then by separating (lowering) the plate 0.0005 inch (0.013mm).

DV-I PRIME Cone/Plate Viscometers have an Electronic Gap Setting feature. This feature

enables the user to easily nd the 0.0005 inch gap setting that was established at Brookeld prior

to shipment.

The following information explains how to set the Electronic Gap and verify calibration of the

DV-I PRIME Viscometer.

A.1 Electronic Gap Setting Features

TOGGLE SWITCH allows you to enable/disable the Electronic Gap Setting Feature: left position is

OFF (disabled), right position is ON (enabled).

PILOT LIGHT is the red (LED) light; when illuminated, it means the Electronic Setting Function is

sensing (enabled).

CONTACT LIGHT is the yellow (LED) light; when it rst turns on, the “hit point” has been found.

SLIDING REFERENCE MARKER is used after nding the “hit point;” it is the reference for establishing

the 0.0005 inch gap.

MICROMETER ADJUSTMENT RING is used to move the cup up or down in relation to the cone spindle.

Turning the ring left (clockwise) lowers the cup; turning it right (counterclockwise) raises the cup.

Each line on the ring represents one scale division and is equivalent to 0.0005 inch movement of

the plate relative to the cone.

Pilot Light

(red)

Toggle Swtich

Contact Light

(yellow)

Sliding Reference

Marker

Micrometer

Adjustment Ring

Figure A-1

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Brookfield DV-I Prime Manual do Utilizador Página 42