Brookfield DV-E Viscometer Manuel d'utilisateur télécharger pdf (Page 10)

Brookeld Engineering Labs., Inc. Page 10 Manual No. M98-350-J0912

In case of emergency, turn off the instrument and then disconnect the electrical cord from

the wall outlet.

The safety of any system, incorporating this instrument, is the responsibility of the

assembler of the system.

The user should ensure that the substances placed under test do not release poisonous,

toxic or ammable gases at the temperatures to which they are subjected to during the

testing.

I.7 Instrument Controls

The following describes each switch’s function:

Figure I-2

MOTOR ON

Turns the motor ON or OFF.

AUTO RANGE

Presents the maximum (100% torque) viscosity

attainable using the selected spindle at the

selected speed. This value is referred to as full

scale range. The allowable error for the viscosity

measurement is ± 1% of full scale range.

Note: Pressing and holding the AUTO

RANGE key during power on

will enable the viscosity display

to be read in either CGS (cP) or

SI (mPa•s) units.

SPEED/SPINDLE SWITCH

Sets the viscometer in either speed select or spindle

select (see Table C-1 in Appendix C) mode. When

set in the left position, the operator may select

speed of rotation. When set in the right position,

the operator may select spindle.

Note: This is a three (3) position switch. We recommend that the switch be set to the

middle position when nished with spindle or speed adjustment. This will prevent

an accidental change of parameters during a test.

SELECT KNOB

This knob is used to scroll through the available speed or spindle selections (see Table C-1 in

Appendix C). This knob is active when the switch is set to the left (speed) or right (spindle) position.

Rotate the knob clockwise to increase value and counter-clockwise to decrease value.

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Brookfield DV-E Viscometer Manuel d'utilisateur Page 10