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Summary of Contents for Omni International Omni Mixer
- Page 1 HOMOGENIZER OWNER’S MANUAL...
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Page 2: Warranty Information
WARRANTY INFORMATION This manual is a guide for the use of the Omni Mixer and Omni Macro Homogenizers and accessories. Data herein has been verified and validated. It is believed adequate for the intended use of the instrument. If the instrument or procedures are used for... - Page 3 Do not attempt to modify any part of the Omni Mixer or Omni Macro. If you experience problems with or have questions about your Omni Homogenizer, contact your authorized dealer or call Omni International at 1-800-776-4431 or 1-770-421-0058.
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Page 4: Table Of Contents
TABLE OF CONTENTS Warranty Information…………………………………... Section 1. Omni Mixer and Macro Homogenizers 1.1 Specifications……………………………………………. 1.2 Parts ……………………………………………………. 1.3 Assembly of the Mixer or Macro………………………. 1.4 General Operating Procedures………………………… 1.6 Quick Connect Coupling Assembly……………………. 1.7 Determining Motor Speed……………………………… Section 2. Rotor-Stator Generator Probes 2.1 Generator Probe Operation……………………………... -
Page 5: Section 1. Omni Mixer And Macro Homogenizers
SECTION 1. OMNI MIXER & MACRO HOMOGENIZERS The Omni Mixer and Omni Macro Homogenizers are variable speed, post-mounted homogenizers. The Omni Mixer is powered by a 600watt, 18,000rpm motor, and the Omni Macro by an 1,800watt, 20,000rpm motor. Both utilize a broad range of sealed chamber assemblies, high shear knife assemblies, as well as a choice of seven different diameter autoclavable rotor-stator generator probes. -
Page 6: Assembly Of The Mixer Or Macro
Place the clamping knob assembly in the motor support housing with the two flat surfaces on the clamping mechanism facing the support post hole. The clamping knob assembly may be used either on the left or the right side of the Omni Mixer or Omni Macro. -
Page 7: General Operating Procedures
1-800-776-4431 1.4 GENERAL OPERATING PROCEDURE The speed of the Omni Mixer or Omni Macro may be regulated to achieve optimum results when working with different materials. A speed selection knob is located at the side of the unit, as is a separate “OFF” or “ON” switch. When in the “ON” position the motor speed can be varied from 0 rpm to maximum speed. -
Page 8: Quick Connect Coupling Assembly
1.6 DETERMINING MOTOR SPEED To determine motor speed during operation, an optional tachometer, PN 01009, may be inserted into the Omni Mixer or Omni Macro through the top of the motor as shown by removing the protective snap cap. -
Page 9: Section 2. Rotor-Stator Generator Probes
SECTION 2. ROTOR-STATOR GENERATOR PROBES 2.1 GENERATOR PROBE OPERATION Rotor-stator generator probes are available for use with the Omni Mixer and Macro but are not supplied with the instruments. These probes can be used in a sealed chamber, or for added convenience, in an open vessel environment when aerosols or sample contamination are not a concern. -
Page 10: Operation
2.4 VESSEL RESTRAINT DISK (Optional) The Vessel Restraint Disk (Part # LT-750) can be used with the Omni Mixer and Macro to help reduce splashing and contain aerosols during homogenization. This accessory is compatible with 20mm and larger diameter rotor-stator generator probes and with containers up to six inches in diameter. -
Page 11: Section 3. Sealed Chamber Assemblies
Sealed chamber assemblies are available as separately ordered items for use with the Omni Mixer and Macro. They consist of chambers, many of which are fluted to facilitate mixing by inhibiting swirling, gasket screw on cover seals to inhibit aerosol release, a shaft assembly, and a sharpened stainless steel blade, or generator probe. - Page 12 Breaking Down Specimen Particles - At speeds below 5,000 rpm, specimen particles may be broken down in the Omni Mixer by using hard materials, such as glass beads. The Omni Mixer will act as a “bead mill”, agitating the chamber while the hard materials do the work.
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Page 13: Sealed Generator Probe Assemblies
SECTION 3. SEALED CHAMBER ASSEMBLIES 3.3 SEALED GENERATOR PROBE ASSEMBLIES Sealed chamber generator probe assemblies are available for use with the Omni Mixer and Macro but are not supplied with the instrument. They consist of chambers, many of which are fluted to facilitate mixing by inhibiting swirling, gasket screw on cover seals to inhibit aerosol release, and a generator assembly. -
Page 14: Positioning The Chamber Assembly
SECTION 3. SEALED CHAMBER ASSEMBLIES 3.5 POSITIONING THE CHAMBER ASSEMBLY For safe operation, all sealed chamber assemblies attached to the Omni Mixer or Omni Macro must be lowered to the table top surface as shown below. WARNING: The Omni Mixer or Omni Macro must be operated with the chamber... -
Page 15: Section 4. Dispersating And Impeller Accessories
SECTION 4. DISPERSATING AND IMPELLER ACCESSORIES 4.1 DISPERSATING PROBE ACCESSORIES Dispersating probes are available for use with the Omni Mixer product line but are not supplied with the instrument. They are specifically designed for high speed and high shear mixing, dispersion and emulsifying. These probes provide less particle size reduction, but greater mixing options than the generator probes described in Section 2. -
Page 16: Motor Drive Unit
If this occurs with your Omni Mixer or Omni Macro, unplug the cord, loosen the brush caps one at a time and check each brush. If the brushes are less than 1/8"... -
Page 17: Bearings And Lubrication
SECTION 5. MAINTENANCE If the brushes are not installed properly they will not contact the commutator and the motor will not run. After replacing the brushes, make sure to remove the flexible rubber coupling (see Section 5.2), place the motor on a clean surface, and run it freely (no-load, without a generator or chamber assembly attached) for 15 to 30 minutes before using the unit to process samples. -
Page 18: Section 6. Explosion Drawings And Part Lists 6.1 Omni Mixer 115V/220V
SECTION 6. EXPLOSION DRAWINGS AND PART LISTS 6.1 OMNI MIXER 115V/220V Part Number Description 17003 Coupling Adapter 17005 Floating Drive Shaft 60028 Flex Rubber Coupling 61672 115V Mixer Motor 61707 220V Mixer Motor 17154 Motor Support Housing 175511 Motor Speed Control (115V) -
Page 19: Omni Macro115V/220V
SECTION 6. EXPLOSION DRAWINGS AND PART LISTS 6.2 OMNI MACRO115V/220V Part Number Description 17003 Coupling Adapter 17005 Floating Drive Shaft 60028 Flex Rubber Coupling 61572-1 115V Macro Motor 61507-1 220V Macro Motor 17571-1 Macro Adapter Plate 17154 Motor Support Housing 175511 Motor Speed Control (115V) 17321-1... -
Page 20: Section 7. Troubleshooting
SECTION 7. TROUBLESHOOTING Do not attempt to service the Omni Mixer or Macro in a manner other than those discussed in this manual. For any issue that is unsuccessfully corrected using this guide, please contact your authorized dealer or call Omni International at 1-800-776-4431. -
Page 21: Assistance
SECTION 8. SERVICE 8.1 A SSISTANCE Should this product ever require service, please contact Omni International at 1–800–776-4431. 8.2 D ECONTAMINATION Should an instrument or component that has been used with radioactive or pathogenic material require factory or field service, comply with the following procedure to ensure the safety of service personnel: •... - Page 22 NOTES:...
- Page 24 1000 Williams Dr. Toll Free: 1-800-776-4431 Suite 1024 Phone: 770-421-0058 Marietta, GA 30066 FAX: 770-421-0206 Email: omni@omni-inc.com Patents Pending Rev. 06/18/08 rb P/N: 17258 www.omni-inc.com...
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