Brookfield R/S CPS Rheometer Manual do Utilizador descarregar pdf (Página 57)

BrookeldEngineeringLabs.,Inc. Page57 ManualNo.M08-218-B0212

The R/S-CPS+ calibration check can be performed with or without software. If software is

not being used, proceed to B.5.1 Calibration Check in Stand-alone Mode. If software is being

used, proceed to B.5.2 Calibration Check with Rheo3000 Software.

B.5.1 Calibration Check in Stand-alone Mode

1. Input Measuring System’s Constants

a. On the rheometer head, select “Measuring System” within the Utilities menu.

b. Select the appropriate measuring system.

c. Set Tau-prom and K_gamma to value specied on the spindle’s measuring system data

sheet.

Note: Tau-prom (Kt) is the Shear Stress Factor

K_gamma (Kxxx) is the Shear Rate Factor

d. Set Distance Dependence to zero.

e. Save

2. Run Single Program

a. Select “Run Single” within the Main-Menu

b. Select the appropriate measuring system (e.g. C50-1)

c. Select input mode: M[‰.]

d. Input steps

InputValue:

Val.

[‰]:

250

Nr. Of Mp: 1

Time [s}: 120

e. Input ID or leave blank. Press the

key.

f. Press the

key to start.

g. Allow the program to complete.

3. Check the temperature on the display (refer to the main manual for this procedure). The tem-

perature should read 25.0°C.

4. Check the viscosity reading. The measured viscosity should fall within 3% of the stated vis-

cosity value of the viscosity standard at the appropriate temperature.

5. Repeat Steps 2 through 4 with the torque ‰ (Val. [‰]:) set to 500 and 750.

B.5.2CalibrationCheckwithRheo3000Software

1. Launch Rheo 3000 Software.

2. Enter Measure/Analysis Menu.

3. Select Remote on the R/S front display.

4. Open communication between the rheometer and the PC.

5. Load your Calibration Program. Refer to the Rheo 3000 User’s Manual for the block pro-

gramming procedure. Calibration program parameters should be set up as follows:

 B.5 CalibrationCheckProcedure

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