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Greyline AVFM 6.1 User Manual

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USER'S GUIDE
Installation & Operation
Instructions
Area-Velocity Flow Meter
Model AVFM 6.1
Manual Series A.1
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Greyline AVFM 6.1 Specifications

General IconGeneral
TypeArea-Velocity Flow Meter
Enclosure RatingIP68
Operating Frequency1 MHz
Sensor MaterialStainless Steel
Output4-20 mA
Operating Temperature-40 to 60 °C
ChannelsSingle channel
Measurement PrincipleDoppler Ultrasonic

Summary

USER'S GUIDE

CONNECTIONS AND FUNCTIONALITY

CONNECTIONS DIAGRAM

Visual representation of electrical terminal connections for the AVFM 6.1.

FUNCTION TEST PROCEDURE

Verifies sensor and meter operation after power application.

USER INTERFACE OPERATION

KEYPAD SYSTEM NAVIGATION

Details the device's menu navigation and button functions.

DISPLAY SCREENS AND STATUS

Explains main display, message icon, and status indicators.

UNDERSTANDING ICONS

Visual indicators and their meanings displayed on the meter screen.

CONFIGURATION AND CALIBRATION

CALIBRATION MENU OVERVIEW

Overview of the menu structure for instrument calibration and configuration.

UNITS AND MODE SELECTION

Setting measurement units and operating modes like Flow or Velocity.

CHANNEL GEOMETRY CONFIGURATION

Inputting pipe or channel dimensions for accurate flow calculations.

CALIBRATION: RANGE AND LEVEL SETTINGS

Setting measurement limits and analog output levels for level.

CALIBRATION: VELOCITY AND FLOW SETTINGS

Configuring analog outputs and zero points for velocity and flow.

CALIBRATION: SIGNAL PROCESSING

Adjusting signal cutoff, damping, LOE time, and calibration constant.

DATA LOGGING AND COMMUNICATION

DATA LOGGING SETUP

Configuring data logging interval, format, and site ID.

MODBUS COMMUNICATION SETUP

Setting up serial communication parameters and wiring for MODBUS.

MODBUS MEMORY MAP

Register addresses and data formats for MODBUS communication.

SPECIAL FUNCTIONS AND SIMULATION

SPECIAL FUNCTION SETTINGS

Accessing advanced features like language, backlight, and restore defaults.

SIMULATION MODE OPERATION

Testing outputs and relays by simulating input values.

INSTALLATION CONSIDERATIONS

SENSOR LOCATION GUIDELINES

Optimal placement of the sensor relative to flow disturbances.

HYDRAULIC AND GRADE REQUIREMENTS

Installation criteria for dams, weirs, and channel grade.

FLOW PROFILE DISTORTION MITIGATION

Minimizing upstream/downstream disturbances affecting flow measurement accuracy.

SENSOR MOUNTING METHODS

QZ02L SENSOR MOUNTING

Instructions for installing the QZ02L velocity-level sensor.

OPTIONAL SENSOR MOUNTING OPTIONS

Methods for mounting optional pipe band and velocity sensors.

PZ15-LP LEVEL SENSOR MOUNTING

Installing the PZ15-LP ultrasonic level sensor.

ENCLOSURE INSTALLATION AND ACCESSORIES

ENCLOSURE MOUNTING AND WIRING

Guidelines for mounting and wiring the instrument enclosure.

SUBMERSIBLE SENSOR CLEANING

Procedures for cleaning the QZ02L sensor in dirty water.

ENCLOSURE HEATER AND SUNSCREEN

Details on optional heater, thermostat, and sunscreen for the enclosure.

FIELD TROUBLESHOOTING

LEVEL MEASUREMENT TROUBLESHOOTING

Diagnosing and resolving problems with level readings.

VELOCITY MEASUREMENT TROUBLESHOOTING

Diagnosing and resolving problems with velocity readings.

MAINTENANCE AND TESTING

SENSOR CABLE RESISTANCE TEST

Testing sensor cable integrity using a multimeter.

SUPPORT, WARRANTY, AND OPTIONS

APPLICATIONS HOTLINE AND RETURN PROCEDURE

Contact information for support and steps for returning instruments.

LIMITED WARRANTY INFORMATION

Terms and conditions of the manufacturer's warranty.

OPTIONAL ACCESSORIES

Details on optional components like extra sensor cables and junction boxes.

INTRINSIC SAFETY AND HAZARDOUS LOCATIONS

SENSOR INTRINSIC SAFETY CERTIFICATIONS

CSA certifications for hazardous location installations.

SAFETY BARRIER SPECIFICATIONS

Technical details of intrinsic safety barriers.

POWER INPUT OPTIONS

9-32VDC POWER INPUT

Connecting and configuring the 9-32VDC power input.

PRODUCT SPECIFICATIONS

GENERAL SPECIFICATIONS

Comprehensive technical data and operating parameters for the AVFM 6.1.

QZ02L SENSOR SPECIFICATIONS

Detailed technical specifications for the QZ02L velocity-level sensor.

OPTIONAL SENSOR SPECIFICATIONS

Specifications for optional QZ02L-B and PZ15-LP sensors.

DUAL SENSOR CONFIGURATION

DUAL SENSOR CONNECTIONS

Wiring diagram for connecting dual sensors to the AVFM 6.1.

ADVANCED MOUNTING METHODS

PZxx FLANGE MOUNTING

Methods for mounting PZxx sensors using flange adapters.

SE4 SENSOR COUPLING AND MOUNTING

Procedures for sensor coupling and mounting the SE4 sensor.