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Thermocouple, RTD & Thermistor Probes,
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Wire: Thermocouple, RTD & Thermistor
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Recorders, Controllers & Process Monitors
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Infrared Pyrometers
PRESSURE, STRAIN AND FORCE
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Load Cells & Pressure Gauges
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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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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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Recorders, Printers & Plotters
HEATERS
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Heating Cable
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Cartridge & Strip Heaters
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Flexible Heaters
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ENVIRONMENTAL
MONITORING AND CONTROL
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pH, Conductivity & Dissolved Oxygen Instruments
M-3444 / 0799
http://www.omega.com
e-mail: info@omega.com
®
User’s Guide
LVU-90 Series
Ultrasonic Level Transmitter
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 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 should malfunction, it must be returned to the factory for evaluation. OMEGA’sCustomer 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 unautho-
rized modification. This WARRANTY is VOID if the unit shows evidence of having been tampered with or
shows evidence of being 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 writ-
ten. 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 WHATS0EVER,
EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DIS-
CLAIMED. 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 spe-
cial 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
such 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 WARRANTY RETURNS, please have
the following information available BEFORE
contacting OMEGA:
1.P.O. number under which 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-WARRANTYREPAIRS,
consult
OMEGA for current repair charges. Have
the following information available
BEFORE contacting OMEGA:
1. P.O. number to cover the COST
of the repair,
2.Model and serial number of 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 1996 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 prior written consent of OMEGA ENGINEERING, INC.
USA
MADE
IN
Servicing North America:
USA: One Omega Drive, Box 4047
ISO 9001 Certified Stamford, CT 06907-0047
Tel: (203) 359-1660 FAX: (203) 359-7700
e-mail: info@omega.com
Canada: 976 Bergar
Laval (Quebec) H7L 5A1
Tel: (514) 856-6928 FAX: (514) 856-6886
e-mail: canada@omega.com
For immediate technical or application assistance:
USA and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA
SM
Customer Service: 1-800-622-2378 / 1-800-622-BEST
SM
Engineering Service: 1-800-872-9436 / 1-800-USA-WHEN
SM
TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA
Mexico and
Latin America:
Tel: (95) 800-TC-OMEGA
SM
FAX: (95) 203-359-7807
En Espan˜ol: (203) 359-1660 ext: 2203 e-mail: espanol@omega.com
Servicing Europe:
Benelux: Postbus 8034, 1180 LAAmstelveen, The Netherlands
Tel: (31) 20 6418405 FAX: (31) 20 6434643
Toll Free in Benelux: 06 0993344
e-mail: nl@omega.com
Czech Republic: Ostravska 767, 733 01 Karvina
Tel: 42 (69) 6311899 FAX: 42 (69) 6311114
e-mail: czech@omega.com
France: 9, rue Denis Papin, 78190 Trappes
Tel: (33) 130-621-400 FAX: (33) 130-699-120
Toll Free in France: 0800-4-06342
e-mail: france@omega.com
Germany/Austria: Daimlerstrasse 26, D-75392 Deckenpfronn, Germany
Tel: 49 (07056) 3017 FAX: 49 (07056) 8540
Toll Free in Germany: 0130 11 21 66
e-mail: germany@omega.com
United Kingdom: 25 Swannington Road, P.O. Box 7, Omega Drive,
ISO 9002 Certified Broughton Astley, Leicestershire, Irlam, Manchester,
LE9 6TU, England M44 5EX, England
Tel: 44 (1455) 285520 Tel: 44 (161) 777-6611
FAX: 44 (1455) 283912 FAX: 44 (161) 777-6622
Toll Free in England: 0800-488-488
e-mail: uk@omega.com
omega.com
TM
OMEGA
®
OMEGAnet
SM
On-Line Service Internet e-mail
http://www.omega.com info@omega.com
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 con-
tains, 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.