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FHG FLOW METERS

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Summary of Contents for Omega FHG Series

  • Page 1 User’ s Guide Shop online at omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info FHG FLOW METERS...
  • Page 2 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 accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.
  • Page 3 OPERATING INSTRUCTIONS For FHG Series Flow Meters...
  • Page 4: Table Of Contents

    Omega reserves the right to make changes and substitutions. Omega is not liable for any printing errors. Reproduction, including excerpts, is permitted only after written appro- val by Omega. Omega reserves the right to modify technical data at any time. Last revised: 12/2012...
  • Page 5: Important Basic Information

    Installation, commissioning and testing are to be performed by trained and qualified personnel only. These operating instructions must be read and applied carefully to ensure proper, trouble-free and safe operation of the flow meter. Omega is not liable for any damage incurred resulting from not complying with the instructions in this operating instruction.
  • Page 6: General Description

    Please follow all instructions in this manual to ensure the trouble-free ope- The device may only be opened within the warranty period after consulta- ration of the FHG flow meters. Omega does not assume responsibility or tion and approval by Omega.
  • Page 7: Maximum Operating Pressure

    Important: Please contact Omega with all operating pressures > 450 bar and in case of special models. 7. Information about the EU Pressure Equipment Directive 97/23/EC Omega flow meters of the ”FHG“ series qualify as “pressure equipment“ as therefore confined to the criteria specified in Section 3, Paragraph 3.
  • Page 8: Mounting The Flow Meter

    (e.g. chips, metal parts) without problems. Use a rinsing fluid that is compa- initial startup process. tible with the subsequent used fluid and will not cause adverse reactions. Such information can be obtained from the supplier or manufacturer of the fluid or from Omega.
  • Page 9: Fluid Filtering

    The filter size for flow meters with slide bearings, in special designs, or with Flow meter size Filter size for specially adapted measuring element tolerances can be obtained from ball bearing Omega upon request. FHG 1xx2 250 µm FHG 1xx4 250 µm FHG 1xx5 500 µm...
  • Page 10 Table 3: Measurement volumes and K-factors FHG 100 FHG 400 Interpolation Switch Measurement K-Factor K-Factor Interpolation Switch Measurement K-Factor K-Factor factor (IPF) position volume V [Imp/l] [Imp/ factor (IPF) position volume V [Imp/l] [Imp/ /Imp] gal.] /Imp] gal.] 0,5815 1720 6510 3,138 1206...
  • Page 11 Flow diagrams vs frequency FHG 1xx2 FLOW vs FREQUENCY FHG 1xx4 FLOW vs FREQUENCY...
  • Page 12 FHG 1xx5 FLOW vs FREQUENCY FHG 1xx7 FLOW vs FREQUENCY Example 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 ≈...
  • Page 13: Pulse Filtering

    13. Pulse Filtering Oscillations in fluid systems manifest themselves through constant forward of the rotor measuring unit. The signals at the channel outputs are also sup- and backward movements of the liquid column, which is also detected by the pressed at the same time until the internal offset is equalized or the initial rotor sensors and converted into proportional electronic pulses or edge se- position of the rotor measuring unit has been reached again (see Fig.
  • Page 14: Signaling Leds

    During initial startup, the switch S2 must first be set to the corresponding Ten different interpolation factors can be set with the coding switch S3. The preferred direction of the flow. The positive flow direction of the FHG flow corresponding interpolation factors for the respective switch positions are meter system is specified in the top view of the 5-pin M12 connector.
  • Page 15: Alarm And Warning Messages

    17. Alarm and Warning Messages The electronics of the FHG flow meters can detect five events that could The red LED is linked with the error output. Each active state of this LED or lead to measurement errors. In case of serious errors, the third output has the error output signals an event that has negative effects on the measure- a ”high“...
  • Page 16: Maintenance

    19. Preamplifier Technical Data Fig. 6 depicts the pin assignment of the preamplifier. This plug has five pins. rated by distribution boxes or junction boxes. Route the connection cable Two pins are for the power supply (pin 1 and 3), two for the signal output as directly as possible from the evaluating device to the flow meter since of channel 1, 2 (pins 2 and 4) and a separate output for error or direction interruptions are always potential sources of error.
  • Page 17: Returning For Repairs And Sample Devices

    Please note that inspection and repair is losed, clearly indicating what fluid has been used with the flow meter and only performed on flow meters returned to Omega if the safety sheet of the how hazardous this fluid is.
  • Page 18: Fhg Flow Meter Flow Characteristics

    Size 1xx2 Baugröße 100 Baugröße 100 Flow range 0 up to 120 l/min Flow range 0 up to 10 l/min Durch ussbereich 0 bis 120 l/min Durch ussbereich 0 bis 10 l/min Flow range Q Flow range Q Durch uss Q Durch uss Q Size 1xx4 Baugröße 400...
  • Page 19 FHG1xx5 Preampli er Test Port Vorverstärker Messanschluss Sensor module Sensormodul Earthing Erdung Test Port Messanschluss Ring bolt Ringschraube Connection unit with sensor Connection unit Anschlusseinheit Anschlusseinheit mit Sensormodul module AR. 800-H.. AR. 800-H.. Weight 81 kg deep Connection Anschluss SAE 2 Connection unit with sensor Connection unit Anschlusseinheit...
  • Page 20: Fhg Flow Meter Dimensions

    24. FHG Flow Meter Dimensions FHG1xx2 Preampli er Test Port Sensor module Test Port Earthing Weight 12 kg Connection unit with sensor Connection unit module AR. 100-E.. AR. 100-E.. Connection 4 x M10-18 tief deep Weight 12.7 kg Connection unit with sensor Connection unit module AR.
  • Page 21: Pin Assignment

    25. Pin Assignment Channel 1 Power supply + voltage Channel 2 Power supply 0 voltage 26. Connection Diagram Evaluating unit (e.g. display) channel 1 (white) Signal input 1 0 voltage (blue) channel 2 (black) Signal input 2 Error/Direction (grey) control input Q: 8l/min V: 11,53 l...
  • Page 22 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.
  • Page 23 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...

This manual is also suitable for:

Fhg 100Fhg 400Fhg 800Fhg 2500

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