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FMC INVALCO WCM 7300 - User Manual

FMC INVALCO WCM 7300
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Issue/Rev. 0.2 (7/00)
Page 1
Bulletin MNIS005
Model WCM 7300
October 2000
INVALCO
Installation/Operation Manual
Water Cut Monitor with
Temperature Compensation
Table of Contents
General Overview..............................................................................................................................2-3
Specifications and Definitions...............................................................................................................................3
Error Messages...............................................................................................................................................4
Product Temperature Compensation.........................................................................................................................4
Set Point and Loop Calibration......................................................................................................................5
Program Flow Chart..........................................................................................................................................5
Quick Steps....................................................................................................................................................6
Programming of WCM 7300 ....................................................................................................................7
Installation..................................................................................................................................7
Electrical Connections.......................................................................................................................................8
Trouble Shooting............................................................................................................................................9-10
Dimensions...............................................................................................................................11
FMC INVALCO Fluid Control P.O. Box 1377 Stephenville, Texas 76401 Telephone: 254/968-2181 FAX 254/968-5709 Toll Free: 800/468-2526

Questions and Answers

  • H
    hhughesJul 31, 2025
    What to do if FMC INVALCO WCM 7300 LCD reads 'Check Probe Wire'?
    • C
      codybarberJul 31, 2025
      If the FMC Measuring Instruments LCD reads 'Check Probe Wire', it indicates a problem with the probe connection. You should check the lead from the electronic assembly to the probe to ensure it is securely attached and not loose. Also, verify that the probe is not empty.
  • S
    Scott RodriguezAug 4, 2025
    Why does my FMC Measuring Instruments probe read high water cut values or 'Over Range'?
    • B
      Barbara ButlerAug 5, 2025
      If the FMC Measuring Instruments probe displays high water cut values or reads 'Over Range', it could be due to several reasons: the probe is full of water, there's a conductive buildup on the insulators, or the insulators are shorted. To resolve this, remove the probe and inspect it for water, conductive buildup, or shorted insulators.
  • W
    Willie RobertsonAug 9, 2025
    What to do if the FMC INVALCO WCM 7300 Measuring Instruments LCD goes to 0.00?
    • A
      Angela BellAug 9, 2025
      If the Dk of the fluid decreases while going through the FMC Measuring Instruments probe, the LCD will display 0.00. To fix this, reprogram and recalibrate the device starting from the 'Below Cal Zero' reading.
  • L
    Larry BakerAug 13, 2025
    Why does the indicated water cut go up with an increase in temperature on my FMC INVALCO WCM 7300?
    • C
      Christopher AndrewsAug 13, 2025
      If the indicated water cut increases with a temperature increase in your FMC Measuring Instruments, the manual TC number is too high. You should reduce the manual TC number.
  • E
    elizabeth32Aug 17, 2025
    What to do if the indicated cut goes down with a temperature increase on FMC INVALCO WCM 7300?
    • C
      Charles SteinAug 17, 2025
      If the indicated cut decreases with a temperature increase on your FMC Measuring Instruments, it means you need to increase the TC value.
  • N
    Nicole RobertsonAug 22, 2025
    What to do if the water cut reading drifts on FMC INVALCO WCM 7300?
    • R
      rfloresAug 22, 2025
      If the water cut reading on your FMC Measuring Instruments drifts while shakeouts indicate a constant cut, check the temperature and probe readings from the LED display. Additionally, stop the fluid flow through the probe to see if the reading stabilizes.
  • G
    ginacaldwellAug 27, 2025
    How to check the 24 volt power supply for FMC INVALCO WCM 7300 Measuring Instruments?
    • W
      wagnerrobertAug 27, 2025
      To ensure proper functioning of the FMC Measuring Instruments 7300, verify that the 24 volt power supply is good, steady, and ripple free.

Summary

Product Overview and Calibration

Model 7300 WCM Design Features

Describes the key design features and capabilities of the WCM 7300 model.

WCM 7300 Calibration Interface

Explains the function of the front panel buttons for calibration.

General Principles of Water Cut Measurement

Describes how the device measures water contamination using dielectric constant.

Technical Specifications and Definitions

Operating and Performance Specifications

Lists temperature, power, Dk range, accuracy, and output specifications.

Key Product and Measurement Terminology

Defines terms like Cut, S&W, Grindout, TC, and Dielectric Constant.

Display Message Definitions

Explains messages related to calibration, errors, and operation.

Error Messages and Temperature Compensation

Common Operational Error Indicators

Explains messages like Under Range, Auto Set Fail, Below Cal Zero.

Product Temperature Compensation Methods

Details manual and automatic methods for temperature compensation.

Calibration Guidance and Programming Flow

Selecting Calibration Methods (Manual vs. Auto TC)

Provides criteria for choosing between manual and automatic TC calibration.

Programming Mode Entry and Sequence

Illustrates the steps for entering programming mode and calibrating the unit.

Quick Start Operation

Mechanical and Electrical Installation

Covers probe mounting requirements and power supply connections.

Field Calibration Step-by-Step

Provides a detailed, numbered sequence for field calibrating the unit.

Operation and Installation Details

Normal Operation and Indicator Lights

Explains display toggling, LED behavior, and relay functions.

Probe Installation and Electrical Considerations

Covers probe mounting, enclosure ratings, and power requirements.

Required Programming Data

Lists the specific values required for unit customization.

Electrical Connection Diagrams

Input Power and Analog Output Wiring

Shows connections for power, 0-5V, and 4-20mA outputs.

Relay Output Wiring Configuration

Details the connections for the SPDT relay terminals.

Troubleshooting Common Issues

Power, RTD, and Reading Drift Causes

Addresses power supply, RTD issues, and factors causing reading drift.

Process Factors Affecting Readings

Explains how API gravity, gas, and chemicals impact measurements.

Probe Integrity and Electrical Checks

Details tests for probe coating, resistance, and voltage issues.

Advanced Troubleshooting and Error Messages

Probe Electrical Diagnostic Tests

Describes tests for probe capacitance, resistance, and voltage.

Resolving Specific Error Messages

Guides on troubleshooting 'Check Probe Wire', 'Below Cal Zero', 'Under Range', and 'Over Range'.

Product Dimensions

Assembly Dimensions and Diagram

Provides a table and diagram of physical dimensions for probe assemblies.

FMC INVALCO WCM 7300 Specifications

General IconGeneral
BrandFMC
ModelINVALCO WCM 7300
CategoryMeasuring Instruments
LanguageEnglish