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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’s WARRANTY 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 in which wear is not warranted, include but are 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 the
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR 
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED 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 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. Purchase Order 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-WARRANTY

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 2009 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.

Summary of Contents for FHG 100

Page 1: ...omega com e mail info omega com For latest product manuals omegamanual info FHG FLOW METERS Shop online at User sGuide...

Page 2: ...ged by the United Kingdom Office Toll Free 0800 466 342 TEL 33 0 161 37 29 00 FAX 33 0 130 57 54 27 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany Toll Free 0 800...

Page 3: ...OPERATING INSTRUCTIONS For FHG Series Flow Meters...

Page 4: ...ics 11 15 Signaling LEDs 12 16 Operating Mode Messages 12 17 Alarm and Warning Messages 13 18 Preamplifier Technical Data 13 19 Preamplifier Pin Assignment 13 20 Maintenance 14 21 Returning for Repair...

Page 5: ...ply them by a high resolution interpolator using adjustable settings The square wave signals are bidirectional and can be utilised by any evaluating instrument as well as computers and PLC controls Th...

Page 6: ...tion check and verify the following properties aspects of the respective circumstances of your system to ensure operation is trouble free safe and reliable 1 The Fluid to be Processed Are the flow met...

Page 7: ...qualify as pressure equipment as defined by Section 1 Paragraph 2 1 4 of the directive listed above and as such are affected by the regulations of this directive Omega flow meters must therefore meet...

Page 8: ...Thread Please comply with the screw in depths and sealing systems PTFE tape or liquid sealants such as adhesives are not permitted Fastening The devices must be installed stress free into the pipeline...

Page 9: ...ply them by a high resolution interpolator using adjustable settings The square wave signals phase shif ted by 90 are bidirectional and can be utilised by any evaluating device as well as computers an...

Page 10: ...surement volume Vm cm3 Imp K Factor Imp l K Factor Imp gal 1 0 10 00000 100 379 2 1 5 00000 200 757 5 2 2 00000 500 1893 10 3 1 00000 1000 3785 25 4 0 40000 2500 9464 32 5 0 31200 3200 12113 50 6 0 20...

Page 11: ...9 FHG 1xx2 FLOW vs FREQUENCY FHG 1xx4 FLOW vs FREQUENCY Flow diagrams vs frequency...

Page 12: ...xample Flow meter FHG 1xx4 Max processable input frequency of the downstream evaluating unit 20 kHz Max operating flow 140 l min Path 1 The diagram yields an IPf of 25 Path 2 IPF fmax x VmIPF1 x 60 Qm...

Page 13: ...ser is able to set the degree of filtering in the form of partial volumes using rotary coding switches Adjustable pulse filtering 0Z 0 25Z 0 5Z 0 75Z 1 0Z 1 25Z 1 5Z 1 75Z 2 0Z 2 25Z 2 5Z 2 75 3 0Z 3...

Page 14: ...fly press the S2 key for the acknowledgment The new pulse rate is enabled a once The rotary coding switch for the pulse filtering has 16 switch settings The degree of filtering is determined with quar...

Page 15: ...tive flow 6 Temperature errors The temperature of the fluid is too high 120 C and may result in flawed or incorrect measurements 18 Preamplifier Technical Data Scanning sensor 2 x GMR sensors in a bri...

Page 16: ...ly well shielded connection cables with a wire cross section of 4 to 5 x 0 25 mm Please note that the housing of the round pin plug is metallic has a connection for the shield and that the potential o...

Page 17: ...flow meter has been completely cleaned and flushed This is to protect our employees and makes our work easier In case of noncompliance with this rule the devices are returned to the sender without att...

Page 18: ...sswiderstand p Durchflusswiderstand p Durchflussbereich 0 bis 50 l min Flow range 0 up to 120 l min Flow range Q Flow range Q Flow range Q Flow range Q Flow range Q Flow range pressure drop p Flow ran...

Page 19: ...sseinheit AR 2500 R Flanschanschlussma e DIN EN 1092 Gewicht 120 kg FHG1xx5 FHG1xx7 Preamplifier Preamplifier Earthing Earthing Weight 81 kg Weight 81 kg Weight 120 kg Sensor module Sensor module Conn...

Page 20: ...ier Preamplifier Earthing Earthing on both sides on both sides M8 15 deep M8 15 deep Weight 12 kg Weight 12 7 kg Weight 24 8 kg Weight 22 kg Sensor module Test Port Test Port Sensor module Connection...

Page 21: ...2 Evaluating unit e g display Flow sensor FHG Q 8l min V 11 53 l direction pos f 424 9 Hz control input 0 voltage blue channel 1 white channel 2 black Error Direction grey 25 Pin Assignment Channel 1...

Page 22: ...therwise 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...

Page 23: ...city Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industria...

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