Omega Products OMG-DATASHARK Installation Manual

www.omega.com

e-mail: [email protected]

User’s Guide

OMG-DATASHARK

Dual Port ISA High Speed RS-232 Interface Board

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It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that
apply. OMEGA is constantly pursuing certification of its products to the European New Approach
Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

Contents

INTRODUCTION .........................................................................1

OVERVIEW................................................................................................1

WHAT’S INCLUDED ................................................................................1

FACTORY DEFAULT SETTINGS ............................................................1

CARD SETUP ..............................................................................2

ADDRESS SELECTION.............................................................................2

PORT ENABLE / DISABLE.......................................................................3

IRQ SELECTION.......................................................................................3

INTERRUPT MODES................................................................................4

CLOCK MODES.........................................................................................5

INSTALLATION ..........................................................................6

OPERATING SYSTEM INSTALLATION .................................................6

For Windows Users.............................................................................6

Other Operating Systems ....................................................................6

TECHNICAL DESCRIPTION.........................................................7

CONNECTOR PIN ASSIGNMENTS...........................................................7

SPECIFICATIONS ........................................................................8

ENVIRONMENTAL SPECIFICATIONS....................................................8

MANUFACTURING...................................................................................8

POWER CONSUMPTION..........................................................................8

MEAN TIME BETWEEN FAILURES (MTBF)........................................8

PHYSICAL DIMENSIONS..........................................................................8

APPENDIX A - TROUBLESHOOTING..................................9 & 10

APPENDIX B - How To Get Assistance ........................................11

APPENDIX C - ELECTRICAL INTERFACE ..................................12

RS-232 ....................................................................................................12

APPENDIX D - ASYNCHRONOUS COMMUNICATIONS ...............13

APPENDIX E - SILK-SCREEN ....................................................14

APPENDIX F - COMPL IANCE NOTICES .....................................15

FEDERAL COMMUNICATIONS COMMISSION STATEMENT............15

CANADIAN RADIO INTERFERENCE REGULATIONS.........................15

EMC DIRECTIVE STATEMENT...........................................................16

Figures

Figure 1 - Address Selection Table....................................................................2

Figure 2 - Header E1 and E2, IRQ Selection.....................................................3

Figure 3 - Header E3, Normal IRQ Mod e...........................................................4

Figure 4 - Header E3, Shared IRQ Mode ...........................................................4

Figure 5 - Header E3, Sharing IRQ’s with another adapter...........................5

Figure 6 - Headers E4 and E5, Clocking Modes...............................................5

Figure 7 - Asynchronous Communications Bit Diagram.............................13

Introduction

Introduction

Overview

The OMG-DATASHARK provides the PC with 2 Asynchronous serial ports.
The OMG-DATASHARK also provides a jumper to select clocking modes that
allow much higher data rates than those typically associated with RS-232. These
data rates are accomplished by using high-speed drivers and receivers designed
to handle these higher rates, up to a maximum 460Kbps. The OMG-
DATASHARK can be configured as COM1: through COM4:, providing a
versatile interface for common RS-232 needs (i.e. modem, mouse and plotters) as
well as higher speed applications ( i.e. ISDN, V.34 modems etc.).

What’s Included

The OMG-DATASHARK is shipped with the following items. If any of these
items are missing or damaged, contact the supplier.

• OMG-DATASHARK Serial I/O Adapter

• Software

Factory Default Settings

The OMG-DATASHARK factory default settings are as follows:

Port # Base Address IRQ

Port 1 280 5
Port 2 288 10

To install the OMG-DATASHARK using factory default settings, refer to
Installation on page 6.

For your reference, record installed OMG-DATASHARK settings below:

Port # Base Address IRQ

Port 1
Port 2

OMG-DATASHARK Page 1

Card Setup

Card Setup

The OMG-DATASHARK contains several jumper straps which must be set for
proper operation.

Address Selection

Each serial port on the OMG-DATASHARK occupies eight consecutive I/O
locations, and looks to the PC as a standard serial port. A DIP switch (SW1) is
used to set the port address options for the OMG-DATASHARK . Be careful
when selecting the port addresses as some selections may conflict with existing
ports. The following table shows the addressing options available with the
standard PAL. If you do not see an address option that suits your needs, please
contact Technical Support about a custom PAL option.

Port1

J2

3F8 2F8 On On On Off
3E8 2E8 On On Off On
2F8 2E8 On On Off Off

2F8 3E8 On Off On On
3220 3228 On Off On Off
4220 4228 On Off Off On
5220 5228 On Off Off Off
5220 4220 Off On On On

280 290 Off On On Off
300 308 Off On Off On
310 318 Off On Off Off
280 288 Off Off On On
290 298 Off Off On Off
300 280 Off Off Off On

Disabled Disabled Off Off Off Off

Note: Each COM: port in your system should have a unique address. Typically

COM1: - COM4: addresses are 3F8, 2F8, 3E8 & 2E8 Hex. If a COM1: &
COM2: are already present, use the second addressing option, this will
provide the typical addresses for COM3: & COM4: .

Port2

J3

SW1

1

Figure 1 - Address Selection Table

SW1

2

SW1

3

SW1

4

Refer to Appendix A for common address contentions.

OMG-DATASHARK Page 2

Card Setup

Port Enable / Disable

Port 2 on the OMG-DATASHARK can be enabled or disabled with the jumper at
E6 for applications requiring only one port. The port is enabled with the jumper
installed and disabled when removed. If Port 2 is disabled, be sure to disable the
interrupt request for that port by removing the IRQ jumper at E2. When the port
is disabled only the Port 1 address from the selection is valid (See Figure 1).

IRQ Selection

Headers E1 and E2 select the interrupt request for each serial p ort (E1 - Port 1, E2

- Port 2). If COM1: is selected, the corresponding jumper must be on the IRQ4
setting. If COM2: is selected, the corresponding jumper must be on IRQ3.

Note: Most communications software applications default COM3: to IRQ4 and

COM4: to IRQ3. This requires the sharing of interrupts between COM1: and
COM3:, and between COM2: and COM4:. While this is the default, it is not
always the preferred setting. Check your software configuration
instructions to determine the most appropriate IRQ selection.

E1

2/9 3 4 5 7 10 11 12 15

E2

2/9 3 4 5 7 10 11 12 15

Figure 2 - Header E1 and E2, IRQ Selection

Any two or more ports can share a common IRQ by placing the jumpers on the
same IRQ setting, and setting the appropriate selections at E3. Consult your
particular software for IRQ selection. If no interrupt is desired, remove the
jumper.

OMG-DATASHARK Page 3

Card Setup

Interrupt Modes

Header E3 selects the interrupt mode for each port. Each port must be set in the
correct mode to insure proper installation.

‘N’ indicates the (N)ormal, single interrupt per port mode. ‘S’ Indicates the
(S)hared interrupt mode, which allows more than one port to access a single IRQ.
Any two or more ports can share a common IRQ by placing the jumpers on the
same IRQ setting, and setting the appropriate selections at E1. Consult your
particular software for IRQ selection. If no interrupt is desired, remove the
jumper. ‘R’ indicates the inclusion of a 1K ohm pull-down resistor required on
one port when sharing interrupts.

N S R

1

E3

2

Figure 3 - Header E3, Normal IRQ Mode

Set the jumpers to ‘S’ for shared interrupt mode on all blocks sharing an IRQ
except one. Set that port block for ‘S’ and ‘R’. This provides the pull-down
resistor circuit that makes sharing of IRQs possible. If you are using more than
one OMG-DATASHARK or a compatible adapter in a bus you should only have
one port set to ‘R’. The following example shows both ports sharing a single
IRQ.

N S

R

1

E3

2

Figure 4 - Header E3, Shared IRQ Mode

OMG-DATASHARK Page 4

Card Setup

Set the jumper to ‘S’ if you are using more than one OMG-DATASHARK in a
bus or you wish to completely remove the pull-down resistor for hardware
compatibility. Setting the adapter in this configuration when it is not

accompanied by a pull-down resistor will prevent the ports from triggering an
interrupt.

N S

R

1

E3

2

Figure 5 - Header E3, Sharing IRQ’s with another adapter

Clock Modes

The OMG-DATASHARK employs a unique clocking option that allows the end
user to select from divide by 4, divide by 2 and divide by 1 clocking modes.
These modes are selected at Headers E4 and E5. To select the Baud rates
commonly associated with RS-232 (i.e. 2400, 4800, 9600, 19.2, … 115.2K Bps )
place the jumper in the divide by 4 mode. To double these rates up to a maximum
rate for 230.4K bps place the jumper in the divide by 2 position. To select the
maximum data rate (460.8K bps) place the jumper in the divide by 1 position. In
the example belo w, Port 1 (E4) is selected for the divide by 4 rate to support a
common RS-232 application (i.e. serial mouse) and Port 2 (E5) is selected to
support a high speed application in the divide by 1 mode (i.e. ISDN or digital
link).

4

1

2

14

2

E4 E5

Figure 6 - Headers E4 and E5, Clocking Modes

OMG-DATASHARK Page 5

Installation

Installation

The OMG-DATASHARK can be installed in any of the PC expansion slots, but
to access the ‘AT’ or (E)ISA IRQs (10, 11, 12, 15) it must be installed in one of the
16 bit slots. The OMG-DATASHARK contains several jumper straps for each
port which must be set for proper operation prior to installing the adapter into the
computer.

1. Turn off PC power. Disconnect the power cord.

2. Remove the PC case cover.

3. Locate an available slot and remove the blank metal slot cover.

4. Gently insert the OMG-DATASHARK into the slot. Make sure that the

adapter is seated properly.

5. Replace the screw.

6. Replace the cover.

7. Connect the power cord.

Installation is complete.

Operating System Installation
For Windows Users

Start by choosing Install Software at the beginning of the CD. Choose
Asynchronous COM: Port Software, SeaCOM.

Other Operating Systems

Refer to the appropriate section of the Serial Utilities Software.

OMG-DATASHARK Page 6

Technical Description

Technical Description

The OMG-DATASHARK utilizes the 16C650 UART. This chip features
programmable baud rate, data format, interrupt control and a 32 byte input and
output FIFO.

Features Include:

• Addressable as COM1: - COM4: and other selectable address combinations.

• Speeds up to 460.8 K bps available via enhanced hardware drivers and

receivers.

• Multiple clocking modes insuring compatibility with existing software

products.

• ‘Shareable’ IRQs allow more than one port to share a single IRQ

• IRQs 2-5, 7, 10, 11, 12, 15 supported

Connector Pin Assignments

Name Pin # Mode

TD Transmit Data 3 Output
RTS Request To Send 7 Output
DTR Data Term Ready 4 Output
GND Ground 5
RD Receive Data 2 Input
DCD Data Carrier Detect 1 Input
DSR Data Set Ready 6 Input
CTS Clear To Send 8 Input
RI Ring Indicator 9 Input

Note: These assignments meet EIA/TIA/ANSI-574 DTE for DB-9 type
connectors.

Technical Note: Please terminate any control signals that are not going to be
used. The most common way to do this is connect RTS to CTS and RI. Also,
connect DCD to DTR and DSR. Terminating these pins, if not used, will help
insure you get the best performance from your adapter.

OMG-DATASHARK Page 7

Specifications

Specifications

Environmental Specifications

Specification Operating Storage

Temperature Range

Humidity Range 10 to 90% R.H.

Manufacturing

• All Printed Circuit boards are built to U.L. 94V0 rating and are 100%

electrically tested. These printed circuit boards are solder mask over bare
copper or solder mask over tin nickel.

Power Consumption

Supply line +12 VDC -12 VDC +5 VDC

Rating 50 mA 50 mA 195 mA

0º to 50º C

(32º to 122º F)

Non-Condensing

-20º to 70º C

(-4º to 158º F)

10 to 90% R.H.

Non-Condensing

Mean Time Between Failures (MTBF)

Greater than 150,000 hours. (Calculated)

Physical Dimensions

Board length 5.4 inches (13.72 cm)
Board Height including Goldfingers 3.5 inches (8.89 cm)
Board Height excluding Goldfingers 3.2 inches (8.13 cm)

OMG-DATASHARK Page 8

Appendix A - Troubleshooting

Appendix A - Troubleshooting

A Serial Utility Diskette is supplied with the adapter and will be used in the
troubleshooting procedures. By using this diskette and following these simple
steps, most common problems can be eliminated without the need to call
Technical Support.

1. Identify all I/O adapters currently installed in your system. This includes
your on-board serial ports, controller cards, sound cards etc. The I/O
addresses used by these adapters, as well as the IRQ (if any) should be
identified.

2. Configure your adapter so that there is no conflict with currently installed
adapters. No two adapters can occupy the same I/O address.

3. Make sure the adapter is using a unique IRQ. While the adapter does allow
the sharing of IRQs, many other adapters (i.e. SCSI adapters & on-board
serial ports) do not. The IRQ is typically selected via an on-board header
block. Refer to the section on Card Setup for help in choosing an I/O
address and IRQ.

4. Make sure the adapter is securely installed in a motherboard slot.

5. When running DOS or Windows 3.x refer to the Serial Utilities disk 1 and
the User Manual to verify that the adapter is configured correctly. The
supplied diskette contains a diagnostic program ‘SSD’ that will verify if an
adapter is configured properly. This diagnostic program is written with the
user in mind and is easy to use. Refer to the ‘README’ file on the supplied
diskette for detailed instructions on using ‘SSD’.

6. For Windows 95 and Windows NT, the diagnostic tool ‘WinSSD’ is
installed in the Omega Engineering folder on the Start Menu during the
setup process. First find the ports using the Device Manager, then use
‘WinSSD’ to ver ify that the ports are functional.

OMG-DATASHARK Page 9

Appendix A - Troubleshooting

7. The following are known I/O conflicts:

• The 278 and 378 settings may conflict with your printer I/O adapter.

• 3B0 cannot be used if a Monochrome adapter is installed.

• 3F8-3FF is typically reserved for COM1:

• 2F8-2FF is typically reserved for COM2:

• 3E8-3EF is typically reserved for COM3:

• 2E8-2EF is typically reserved for COM4:

8. Please refer to your included diskette for any post production manual
updates and application specific information.

9. Always use the diagnostic software when Troubleshooting a problem. This
will eliminate the software issue from the equation.

OMG-DATASHARK Page 10

Appendix B - How To Get Assistance.

Appendix B - How To Get Assistance

Please refer to Troubleshooting Guide prior to calling Technical Support.

1. Begin by reading through the Trouble Shooting Guide in Appendix
A. If assistance is still needed please see below.

2. When calling for technical assistance, please have your user
manual and current adapter settings. If possible, please have the
adapter installed in a computer ready to run diagnostics..

3. Omega Engineering maintains a Home page on the Internet. Our
home page address is www.omega.com
updates, and newest manuals are available via our FTP site that can
be accessed from our home page.

4. Technical support is available Monday to Friday from 8:30 a.m. to
6:00 p.m. eastern time. Technical support can be reached at 1-800­DAS-IEEE.

RETURN AUTHORIZATION MUST BE OBTAINED FROM OMEGA BEFORE
RETURNED MERCHANDISE WILL BE ACCEPTED. AUTHORIZATION CAN
BE OBTAINED BY CALLING OMEGA CUSTOMER SERVICE AND
REQUESTING AN AUTHORIZED RETURN NUMBER (AR) NUMBER.

. The latest software

OMG-DATASHARK Page 11

Appendix C - Electrical Interface

Appendix C - Electrical Interface

RS-232

Quite possibly the most widely used communication standard is RS-232. This
implementation has been defined and revised several times and is often referred
to as RS-232 or EIA/TIA-232. The IBM PC computer defined the RS-232 port on a
9 pin D sub connector and subsequently the EIA/TIA approved this
implementation as the EIA/TIA-574 standard. This standard is defined as the

9-Position Non-Synchronous Interface between Data Terminal Equipment and
Data Circuit-Terminating Equipment Employing Serial Binary Data
Interchange. Both implementations are in wide spread use and will be referred to

as RS-232 in this document. RS-232 is capable of operating at data rates up to 20
Kbps at distances less than 50 ft. The absolute maximum data rate may vary due
to line conditions and cable lengths. RS-232 is a single ended or unbalanced
interface, meaning that a single electrical signal is compared to a common signal
(ground) to determine binary logic states. The RS-232 and the EIA/TIA-574
specification define two types of interface circuits, Data Terminal Equipment
(DTE) and Data Circuit -Terminating Equipment (DCE). The OMG-DATASHARK
is a DTE device.

OMG-DATASHARK Page 12

Appendix D - Asynchronous Communications

Appendix D - Asynchronous Communications

Serial data communications implies that individual bits of a character are
transmitted consecutively to a receiver that assembles the bits back into a
character. Data rate, error checking, handshaking, and character framing
(start/stop bits) are pre-defined and must correspond at both the transmitting
and receiving ends.

Asynchronous communications is the standard means of serial data
communication for PC compatibles and PS/2 computers. The original PC was
equipped with a communication or COM: port that was designed around an 8250
Universal Asynchronous Receiver Transmitter (UART). This device allows
asynchronous serial data to be transferred through a simple and straightforward
programming interface. Chara cter boundaries for asynchronous communications
are defined by a starting bit followed by a pre-defined number of data bits (5, 6, 7,
or 8). The end of the character is defined by the transmission of a pre -defined
number of stop bits (usually 1, 1.5 or 2). An extra bit used for error detection is
often appended before the stop bits.

Idle state of
line

1

0

5 to 8 Data Bits

Figure 7 - Asynchronous Communications Bit Diagram

Odd, Even
or
Unused

P
BIT

STOP

Remain Idle or
next start bit

1

1.5
2

This special bit is called the parity bit. Parity is a simple method of determining if
a data bit has been lost or corrupted during transmission. There are several
methods for implementing a parity check to guard against data corruption.
Common methods are called (E)ven Parity or (O)dd Parity. Sometimes parity is
not used to detect errors on the data stream. This is refereed to as (N)o parity.
Because each bit in asynchronous communications is sent consecutively, it is
easy to generalize asynchronous communications by stating that each character
is wrapped (framed) by pre -defined bits to mark the beginning and end of the
serial transmission of the character. The data rate and communication parameters
for asynchronous communications have to be the same at both the transmitting
and receiving ends. The communication parameters are baud rate, parity, number
of data bits per character, and stop bits (i.e. 9600,N,8,1).

OMG-DATASHARK Page 13

Appendix E - Silk-Screen

Appendix E - Silk -Screen

3.2"

5.4"

3.5"

OMG-DATASHARK Page 14

Appendix F - Compliance Notices

Appendix F - Compliance Notices

Federal Communications Commission Statement

This equipment has been tested and found to comply with the limits for Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment
is operated in a residential installation. This equipment generates, uses , and can
radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the
following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment and receiver

• Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected

• Consult the dealer or an experienced radio/TV technician for help

Caution

Omega Engineering is not responsible for any radio or television interference
caused by unauthoried modifications of this equipment or the substitution of
attachment of connecting cables and equipment other than those specified by
Omega Engineering. Such unauthorized modifications, substitutions, or
attachments may void the user’s authority to operate the equipment. The
correction of interference caused by such unauthorized modifications,
substitutions, or attachments will be the responsibility of the user.

Always use cabling provided with this product if possible. If no cable is
provided or if an alternate cable is required, use high quality shielded cabling to
maintain compliance with FCC directives.

Canadian Radio Interference Regulations

This Class B digital apparatus meets all requirements of the Canadian
Interference-Causing Equipment Regulations.

Cet Appareil numérique de la classe B respecte toutes les exigences de
Règlement sur le matériel du Canada

OMG-DATASHARK Page 15

Appendix F - Compliance Notices

EMC Directive Statement

Products bearing the CE Label fulfill the requirements of the
EMC directive (89/336/EEC) and of the low-voltage directive
(73/23/EEC) issued by the European Commission.

To obey these directives, the following European standards must be met:

EN55022 Class B - ‘Limits and methods of measurement of radio
interference characteristics of information technology equipment’

• EN55024-‘Information technology equipment Immunity

characteristics Limits and methods of measurement.

• EN60950 (IEC950) - ‘Safety of information technology
equipment, including electrical business equipment’

Always use cabling provided with this product if possible. If no cable is
provided or if an alternate cable is required, use high quality shielded cabling to
maintain compliance with EMC directives.

OMG-DATASHARK Page 16

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a
period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month
grace period to the normal one (1) year product warranty to cover handling and shipping time. This
ensures that OMEGA’s customers receive maximum coverage on each product.

If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request.
Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no
charge. OMEGA’sWARRANTY does not apply to defects resulting from any action of the purchaser, includ­ing but not limited to mishandling, improper interfacing, operation outside of design limits,
improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of
having been tampered with or shows evidence of having been damaged as a result of excessive corrosion;
or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating
conditions outside of OMEGA’s control. Components which wear are not warranted, including but not
limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any
damages that result from the use of its products in accordance with information provided by
OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by it will be
as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESS OR IMPLIED, EXCEPT THAT OF TITLE,
AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to this order, whether based on contract, warranty, negligence,
indemnification, strict liability or otherwise, shall not exceed the purchase price of the
component upon which liability is based. In no event shall OMEGA be liable for
consequential, incidental or special damages.

CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic
Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical
applications or used on humans. Should any Product(s) be used in or with any nuclear installation or
activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility
as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify
OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the
Product(s) in suc h a manner.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE
RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN
(AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID
PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return
package and on any correspondence.

The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent
breakage in transit.

FOR W

ARRANTY

RETURNS, please have the
following information available BEFORE
contacting OMEGA:

1. Purchase Order number under whic h the product

was PURCHASED,

2. Model and serial number of the product under

warranty, and

3. Repair instructions and/or specific problems

relative to the product.

FOR NON-W

ARRANTY

REPAIRS,

consult OMEGA
for current repair charges. Have the following
information available BEFORE contacting OMEGA:

1. Purchase Order number to cover the COST

of the repair,

2. Model and serial number of the product, and

3. Repair instructions and/or specific problems

relative to the product.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords
our customers the latest in technology and engineering.

OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2002 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,

reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the
prior written consent of OMEGA ENGINEERING, INC.

M3903/0303

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

Transducers & Strain Gages

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Load Cells & Pressure Gages

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Displacement Transducers

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Instrumentation & Accessories

FLOW/LEVEL

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Rotameters, Gas Mass Flowmeters & Flow Computers

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Air Velocity Indicators

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Turbine/Paddlewheel Systems

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Totalizers & Batch Controllers

pH/CONDUCTIVITY

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pH Electrodes, Testers & Accessories

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Benchtop/Laboratory Meters

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Controllers, Calibrators, Simulators & Pumps

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Industrial pH & Conductivity Equipment

DATA ACQUISITION

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Data Acquisition & Engineering Software

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Communications-Based Acquisition Systems

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Plug-in Cards for Apple, IBM & Compatibles

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Datalogging Systems

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Recorders, Printers & Plotters

HEATERS

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Heating Cable

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Cartridge & Strip Heaters

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Immersion & Band Heaters

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Flexible Heaters

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Laboratory Heaters

ENVIRONMENTAL
MONITORING AND CONTROL

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Metering & Control Instrumentation

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Refractometers

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Pumps & Tubing

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Air, Soil & Water Monitors

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Industrial Water & Wastewater Treatment

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pH, Conductivity & Dissolved Oxygen Instruments