Omni GLH Bedienungsanleitung

REV. D

H258-GLH

OMNI GLH

GENERAL LABORATORY HOMOGENIZER

USER MANUAL

™

WARRANTY INFORMATION

This manual is a guide for the use of the Omni GLH, General Laboratory

Homogenizer and accessories.

Data herein has been veried and validated. It is believed adequate for

the intended use of the instrument. If the instrument or procedures are

used for purposes over and above the capabilities specied herein, con-

rmation of the validity and suitability should be obtained, otherwise

Omni International does not guarantee results and assumes no obliga-

tion or liability. This publication is not a license to operate under, or a

recommendation to infringe upon, any process patents.

Notes, cautions, and warnings within the text of this manual are used to

emphasize important and critical instructions.

This Omni International product is warranted to be free from defects in

material and workmanship for a period of ONE YEAR from the date of

delivery. Omni International will repair or replace and return free of

charge any part which is returned to its factory within said period,

transportation prepaid by user, and which is found upon inspection to

have been defective in materials or workmanship. This warranty does

not include normal wear from use; it does not apply to any instrument

or parts which have been altered by anyone other than an employee

of Omni International nor to any instrument which has been damaged

through accident, negligence, failure to follow operating instructions,

the use of electric currents or circuits other than those specied on the

plate axed to the instrument, misuse, or abuse. Omni International

reserves the right to change, alter, modify, or improve any of its instru-

ments without any obligation whatever to make corresponding changes

to any instrument previously sold or shipped.

THE FORGOING OBLIGATION IS IN LIEU OF ALL OBLIGATIONS AND LIABILITIES IN-

CLUDING NEGLIGENCE AND ALL WARRANTIES OF MERCHANTABILITY OR OTHERWISE,

EXPRESSED OR IMPLIED IN FACT OR BY LAW, AND STATE OUR ENTIRE AND EXCLUSIVE

LIABILITY AND BUYERS EXCLUSIVE REMEDY FOR ANY CLAIM OF DAMAGES IN CONNEC-

TION WITH THE SALE OR FURNISHING OF GOODS OR PARTS, THEIR DESIGN, SUITABILITY

FOR USE, INSTALLATION, OR OPERATION. OMNI INTERNATIONAL WILL IN NO EVENT BE

LIABLE FOR ANY SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER, AND THEIR

LIABILITY UNDER NO CIRCUMSTANCES WILL EXCEED THE CONTRACT PRICE FOR THE

GOODS FOR WHICH LIABILITY IS CLAIMED.

IMPORTANT SAFEGUARDS

- READ ALL INSTRUCTIONS BEFORE USING.

- SAVE THIS OWNER’S MANUAL.

The Omni GLH has been engineered for economical functionality as

well as safety; however, basic safety precautions and common sense

must always be demonstrated when using any electrical product.

DO NOT attempt to modify any part of the Omni GLH. If you experi-

ence problems with or have questions about your Omni GLH, contact

your authorized dealer or call Omni International at 800-776-4431

or 770-421-0058.

- DO NOT allow the machine to be submerged in any liquid.

- DO NOT use in any setting other than an indoor laboratory.

- DO NOT plug power cord into an incorrect outlet.

To reduce the risk of burns, electrocution, re, or injury:

- Use this product only for its intended purpose as described in this

booklet. DO NOT use attachments not recommended by the

manufacturer.

- DO NOT operate the product if it is damaged in any way.

- Keep this product away from heated surfaces.

DANGER

WARNING

TABLE OF CONTENTS

Warranty Information ....................................................................................... 2

Section 1 — Omni GLH, General Lab Homogenizer

1.1 Specications ........................................................................................ 5

1.2 Parts and Accessories ..................................................................... 5-6

1.3 Variable Speed Operation................................................................. 6

1.4 External Speed Control.................................................................. 6-7

1.5 Stand-Mounting the Omni GLH...................................................... 7

Section 2 — Motor Unit Maintenance

2.1 Motor Drive Unit................................................................................... 8

2.2 Brush Maintenance.............................................................................. 8

2.3 Motor Bearings ..................................................................................... 8

2.4 Storage..................................................................................................... 8

2.5 Plug Requirements.............................................................................. 9

2.6 Wiring Diagrams................................................................................... 9

2.7 Explosion Drawing.............................................................................10

2.8 Replacement Parts.............................................................................11

Section 3 — Rotor-Stator Generator Probes

3.1 Installing Rotor-Stator Generator Probes..................................12

3.2 Theory of Operation................................................................... 12-13

3.3 Operation..............................................................................................13

Section 4 — Service

4.1 Assistance .............................................................................................14

4.2 Decontamination...............................................................................14

Section 5 — Troubleshooting ......................................................................14

SECTION 1 — OMNI GLH, GENERAL LAB HOMOGENIZER

The Omni GLH, General Laboratory Homogenizer is a variable speed,

handheld or post-mounted homogenizer. It combines 700 watt,

28,000 rpm motor with a choice of autoclavable, rotor-stator generator

probes of various diameters. The GLH can also be used with OMNI Tip

plastic probes (A1000SB adapter required).

1.1 SPECIFICATIONS

Motor Speed: 5,000-28,000 rpm

W/ external speed control: 0 - 28,000 rpm

Capacity: 0.03 mL-10 L

Height (motor only): 22 cm (8.5 in)

Weight (motor only): 1.6 kg (56 oz)

Electrical Requirements: 115V, 60 Hz or 220 V, 50 Hz

Standards Approval/Compliance:

220V: CE Certied

1.2 PARTS AND ACCESSORIES

Prior to operation, please remove all parts from the shipping container and

inspect for damaged or missing parts. If any parts are found to be dam-

aged or missing, please contact Omni International at 1-800-776-4431.

The Omni GLH consists of the following:

Description Part Number Quantity

Motor Drive Unit (115V) GLH-01

Motor Drive Unit (220V) GLH-02

Cross Rod S00040 1

Clamp FS1002 1

Tool Kit T1001 1

Instruction Manual H258-GLH 1

Also available, but not supplied with the instrument:

Description Part Number

Stand Assembly* S1000

External Speed Control (115V) SC115

External Speed Control (220V) SC220

Vessel Restraint Disk LT-750

* The stand assembly includes a base plate and a 24” post.

SECTION 1 — OMNI GLH, GENERAL LAB HOMOGENIZER

1.3 VARIABLE SPEED OPERATION

The speed of the Omni GLH may be regulated by means of a variable

rotary switch located at the top of the unit. Speed settings below are

approximate, and are based on running a 35mm probe in water. Actual

speed will vary with probe size and sample processed.

Speed Setting Approximate Speed

1 4,000

2 5,000

3 7,500

4 10,000

5 13,500

6 25,000

1.4 EXTERNAL SPEED CONTROL

For greater precision, range (0–28,000 rpm), or remote operation

(such as for fume hood or cold room applications) the optional

external speed control is recommended. To operate the Omni GLH

with the external speed control:

1. Make certain that both the external speed control

and the Omni GLH are in the OFF position.

2. Plug the speed control into an external power source.

3. Plug the Omni GLH into the rear of the speed control unit.

4. Set the speed control knob on the Omni GLH to 6

(the maximum setting).

The Omni GLH can now be operated via the external speed control dial.

Select the optimal speed for each dierent combination of sample and

generator for best processing results.

The table on page 7 is a good approximation guide for operating speed.

SECTION 1 — OMNI GLH, GENERAL LAB HOMOGENIZER

The table was constructed by running a 35mm generator probe in

water. At no load, top motor speed is higher. Load, increasing viscosity,

size of generator probe, line voltage, and the type of sample may all

aect top speed of the motor.

Speed Setting With Speed Control

1 700

2 3,000

3 6,000

4 9,000

5 12,000

6 14,000

7 17,000

8 20,000

9 24,000

10 28,000

1.5 STAND-MOUNTING THE OMNI GLH (Optional)

To mount the Omni GLH to the stand assembly,

refer to the gure and follow these steps:

1. Secure the 24”post by twisting it

into the base plate and locking

jam nut at the base of the post.

2. Loosen the locking knob and

slide the post clamp assembly

down over the end of the post

until the clamp is at the desired

height and lock in place.

3. Twist the cross rod into the back

of the motor housing until tight.

4. Loosen the second knob on the

post clamp assembly and insert

the cross rod with motor at-

tached (approximately 1”of the

cross rod should protrude from

the back of the post clamp).

5. Lock in place.

Variable Speed

Control Switch

24” Post

Post Clamp

Assembly

Locking Knob

Cross Rod

Power Switch

Base Plate

Assembly

Breaker

SECTION 2 — MOTOR MAINTENANCE

2.1 MOTOR DRIVE UNIT

The Motor drive housing should be wiped o after use, especially

when concentrated and potentially damaging liquids are used during

processing. Never use solvents to clean unit or accessories.

2.2 BRUSH MAINTENANCE

If the performance of your Omni GLH begins to deteriorate in any of

the following ways:

• The operations speed begins to decline

• The unit stalls intermittently

• The unit stops working all together

It probably requires a new set of brushes. The average brush life for

the Omni GLH is 150 hours. For service, or brush replacement, please

contact Omni International at 1-800-776-4431.

2.3 MOTOR BEARINGS

The Omni GLH motor is equipped with sealed ball bearings. Under

normal use they require no additional lubrication.

2.4 STORAGE

WARNING: Keep all housings in place and in working order.

WARNING: Remove all tools from the generator probe before turning

the motor on.

WARNING: DO NOT use the motor in a dangerous environment.

WARNING: Disconnect the motor before servicing, and when chang-

ing the generator probe.

SECTION 2 — MOTOR MAINTENANCE

2.5 PLUG REQUIREMENTS

This instrument is equipped with an electric cord and housing which is

double insulated. The unit must be plugged into a polarized outlet that

is properly installed and grounded in accordance with all local codes

and ordinances.

WARNING: DO NOT modify the plug or cord that is provided. If the plug will

not t the outlet, have the proper outlet installed by a qualied electrician.

WARNING: Reduce the risk of unintentional starting; make sure the

speed switch is in the OFF position before plugging in the motor.

WARNING: Improper connection of the equipment can result in a risk

of electric shock.

WARNING: Damaged or worn power cords should be repaired or

replaced immediately by a qualied electrician.

2.6 WIRING DIAGRAMS

SECTION 2 — MOTOR MAINTENANCE

2.7 EXPLOSION DRAWING

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