Brookfield DV-III Rheometer Uživatelský manuál Strana 77
- Strana / 83
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Brookfield Engineering Laboratories, Inc. Page 77 Manual No. M/98-211-A0701
APPENDIX H - Fault Diagnosis and Troubleshooting
Listed are some of the more common problems that you may encounter while using your rheometer.
❏ Spindle Does Not Rotate
✓ Make sure the rheometer is plugged in.
✓ Check the voltage rating on your rheometer (115V or 220V); it must match the wall voltage.
✓ Make sure the motor is ON and the desired rpm is selected.
❏ Spindle Wobbles When Rotating or Looks Bent
✓ Make sure the spindle is tightened securely to the rheometer coupling.
✓ Check the straightness of all other spindles; replace if bent.
✓ Inspect rheometer coupling and spindle coupling mating areas and threads for dirt; clean
threads on spindle coupling with a 3/56 left-hand tap.
✓ Inspect rheometer coupling threads for wear; if the threads are worn, the unit needs service
(see Appendix I). Check to see if spindles rotate eccentrically or wobble. There is an allow-
able runout of 1/32-inch in each direction (1/16-inch total) when measured from the bottom of
the spindle rotating in air.
✓ Check to see if the rheometer coupling appears bent; if so, the unit is in need of service (see
Appendix I, “How to Return Your Rheometer”).
If you continue to experience problems with your rheometer, follow this troubleshooting section to
help isolate potential problems.
❏ Perform an Oscillation Check
This check verifies the mechanical condition of the shaft and bearing assembly in the rheom-
eter. Auto zero the instrument according to directions in the manual. With the spindle re-
moved, motor off and the display showing % torque perform the oscillation check as follows:
1) Manually lift the spindle nut and rotate counter clockwise until the display shows 20%-
30% deflection.
2) Release the spindle nut.
3) The % display should return to 0.0% ±0.1%.
- 508-946-6200 1
- 508-946-6262 1
- I. INTRODUCTION 3
- Component Part Number 4
- I.5 Set-Up 6
- Figure 1 6
- MODEL DV-III BASE UNIT 8
- II. GETTING STARTED 12
- OUT OF RANGE INDICATORS 14
- TORQUE GREATER THAN 100% 14
- TORQUE LESS THAN 10% 14
- TORQUE LESS THAN 0% 15
- SELECT SPDL key. The DV-III+ 15
- MOTOR ON/OFF/ESCAPE key 16
- ENTER key 22
- USING PRE-PROGRAMMED SPEEDS 27
- OPTION/TAB key at 28
- Assume the following: 31
- PROG RUN key 32
- ENTER key. Assume that the 33
- ENTER key, our display will 33
- PROGRAMMED SPEED STOP 33
- MOTOR ON/OFF/ESCAPE 33
- PROGRAMMED SPEED HOLD 33
- B.E.V.I.S. PROGRAMS MENU 34
- PRINT key 34
- RUNNING B.E.V.I.S. PROGRAMS 35
- STANDARD CASSON PRINTOUT 38
- (1+a)√τ = 2√τo + (1+a) √ηD 39
- V. OPTIONS 40
- Figure 67 46
- Figure A1 52
- Figure A2 53
- Figure A3 53
- Figure A4 53
- Figure A5 54
- Figure A6 54
- Table A1 55
- APPENDIX B - Viscosity Ranges 56
- Spindle Entry Code 57
- LV RV HA HB 57
- Viscosity (cP) 58
- Shear Rate 58
- (1 - 100 RPM) 59
- RHEOLOGICAL PROPERTIES 61
- °C, 93.3°C, 149°C 67
- TK = 1.0 from Table D2 71
- SMC = 10 from Table D1 71
- The Brookfield Guardleg 72
- Figure F1 74
- °C) = (tval - 4000)/40 75
- United Kingdom, return to: 80
- Germany, return to: 80
- Foam Insert 81
- (please list all): 82
- VISCOSITY TEST REPORT 83
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