Brookfield DV-I Prime Uživatelský manuál stáhnout pdf (Strana 19)

Brookeld Engineering Laboratories, Inc. Page 19 Manual No. M/07-022-D0613

NOTE: If the motor is off or the RPM is 0.0, the maximum viscosity displayed will be 0.0

cP (or 0.0 mPa

s).

II.5 CGS or SI Units Selection

Pressing and holding the AUTO RANGE key during power on will enable the viscosity display to

be read in either CGS or SI units. To change the unit format:

1. Turn the power off.

2. Press and hold the

AUTO RANGE key and turn the power ON.

The DV-I PRIME will retain the unit selection when the viscometer is turned OFF.

CGS SI

Viscosity cP mPa

•s

II.6 Temperature Display in °F or °C

Pressing and holding the DOWN ARROW key during power on will enable the temperature display

to be read in either degrees Fahrenheit or degrees Centigrade. To change the units format:

1. Turn the power OFF.

2. Press and hold the

DOWN ARROW key and turn power ON.

The DV-I PRIME will retain the unit selection when the viscometer is turned OFF.

Figure II-12 depicts the changes to the default screen when displaying temperature in the Fahrenheit

scale and viscosity display in SI units:

mPas123.4 70.1°F

10 RPM % 89.7

Figure II-12

II.7 Out of Range

Brookeld recommends taking viscosity readings between 10% and 100% of scale. The DV-I

PRIME gives indications for out of specication or out-of-range operation. When % (Torque)

readings exceed 100.0 % (over-range), the display changes to that shown in Figure II-13:

cP EEEE S01

10 RPM % EEEE

Figure II-13

You must change either speed or spindle to correct this condition. If you operate at spindle speeds

that produce % (Torque) below 10.0 % (under-range), the DV-I PRIME ashes both % (Torque)

and cP (Viscosity) on and off:

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 70 71

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Brookfield DV-I Prime Uživatelský manuál Strana 19