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Aft AFT-2000W - User Manual

Aft AFT-2000W
37 pages
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Ultrasonic Flow Meter User Manual
Type: AFT-2000W

Table of Contents

Questions and Answers

Summary

Introduction

Preface

Introductory notes for the user manual.

Features

Overview of the ultrasonic flow meter's key characteristics.

Flow measurement principle

Explanation of how the transit-time ultrasonic flow meter operates.

Installation and Measurement

Wiring diagram

Visual representation of the flow meter's electrical connections.

Keypad

Description of the flow meter's control buttons and their functions.

Menu Windows

Overview of the flow meter's user interface navigation.

Steps to Configure the Parameters

Detailed guide for setting up measurement parameters.

Transducers Mounting Allocation

Guidelines for optimal placement of flow meter transducers.

Transducers Installation

Instructions for physically installing the flow meter transducers.

Wiring diagram of transducer

Electrical connection details for the transducers.

Transducers Spacing

Information on the correct distance between transducers.

V-method Installation

Procedure for V-method transducer installation.

Z-method Installation

Procedure for Z-method transducer installation.

W-method Installation

Procedure for W-method transducer installation.

N-method Installation

Procedure for N-method transducer installation.

Installation Checkup

Methods to verify correct flow meter installation.

Signal Strength

Procedure to check and improve ultrasonic signal strength.

Signal quality

Procedure to check and interpret signal quality (Q value).

Time Ratio between the Measured Total Transit Time and the Calculated Time

Checking transducer installation via time ratio verification.

Menu Window Details

Menu Windows Arrangement

Categorization of menu windows by function.

Display Windows (M00-M09)

Menu windows for displaying flow rate, velocity, and time.

Pipe Parameter Entry (M10-M29)

Menu windows for inputting pipe and fluid parameters.

Unit and Totalizer Settings (M30-M38)

Menu windows for setting units and totalizers.

Configuration and Calibration (M40-M49)

Menu windows for instrument configuration and calibration.

Data Logger and Logger Settings (M50-M53)

Menu windows for data logging setup and options.

How To

How to judge if the instrument works properly

Diagnosing instrument operation status using error codes.

How to judge the liquid flowing direction

Determining fluid flow direction based on readings.

How to change between units systems

Selecting between Metric and English unit systems.

How to select a required flow rate unit

Choosing the appropriate unit for flow rate display.

How to use the totalizer multiplier

Configuring the multiplier for totalizer pulse output.

How to open or shut the totalizers

Enabling or disabling POS, NEG, and NET totalizers.

How to reset the totalizers

Procedure for resetting totalizer values.

How to restore the flow meter with default setups

Reverting instrument settings to factory defaults.

How to use the damper

Adjusting the damper for stable readings.

How to use the zero-cutoff function

Setting a low flow cutoff value to prevent invalid accumulation.

How to setup a zero point

Establishing a zero point for accurate zero flow readings.

How to get a scale factor for calibration

Determining the scale factor for instrument calibration.

How to use the system locker

Securing instrument parameters with a password lock.

How to use 4-20 mA current loop output

Configuring and testing the 4-20mA analog output.

How to use the Frequency Output

Configuring the frequency output signal for data transmission.

How to use the Totalizer Pulse Output

Setting up pulse output for totalizer data.

How to produce an alarm signal

Configuring alarm triggers for buzzer or OCT output.

How to use the built-in Buzzer

Setting up the internal buzzer for alarm notifications.

How to use the OCT output

Configuring the OCT output for signal generation.

How to modify the built-in calendar

Updating the instrument's internal calendar.

How to view the Date Totalizers

Accessing daily, monthly, and yearly totalizer data.

How to use the Working Timer

Utilizing the timer to track operational time.

How to use the manual totalizer

Operating the manual totalizer for calibration.

How to know how long the battery will last

Checking the remaining battery life.

How to check the ESN and other minor details

Viewing instrument identification and version details.

How to use the data logger for scheduled output

Configuring scheduled data logging and output.

How to output analogue voltage signal

Converting 4-20mA output to analogue voltage signal.

How to adjust the LCD display

Adjusting backlight and contrast for the LCD screen.

How to use RS232;RS485?

Setting up serial communication protocols for RS232/RS485.

How to use automatic amending function for offline compensation

Enabling automatic compensation for offline periods.

How to use batch controller

Configuring and operating the batch controller function.

How to adjust the analogue output

Calibrating the 4-20mA analog output signal.

How to solidify the parameters

Storing current or user-defined parameters to flash memory.

How to enter the parameters of user-type-transducer

Inputting parameters for user-defined transducers.

How to use the circular display function

Activating the automatic cycling display of information.

How to enter into the linearity correcting? How to enter into the data?

Performing linearity correction using calibration data.

How to save; restore frequently-used pipe parameters

Saving and loading pipe parameter configurations.

Troubleshooting

Power-on Error Displays and Counter-Measures

Resolving hardware issues detected during power-on.

Error Code and Counter-Measures

Interpreting and resolving specific error codes displayed by the meter.

Other Problems and Solutions

Addressing common operational issues not covered by error codes.

Aft AFT-2000W Specifications

General IconGeneral
BrandAft
ModelAFT-2000W
CategoryMeasuring Instruments
LanguageEnglish