Dwyer Instruments UFM2 - Default Chapter; Table of Contents

UFM2/UBT User Manual
Issue 1.1b July 20 Page i
CONTENTS
1 INTRODUCTION ....................................................................................... 1
1.1 General Description ............................................................................................................ 1
1.2 How Does It Work? ............................................................................................................. 2
1.3 Package Contents .............................................................................................................. 3
1.4 Display ................................................................................................................................ 4
1.5 Quick Start Procedure ........................................................................................................ 5
2 INSTALLATION ......................................................................................... 6
2.1 Identify Suitable Location .................................................................................................... 6
2.1.1 Additional Considerations for Locating UBT ................................................................. 6
2.1.2 Clean the Pipe’s Flow Sensor Contact Area ................................................................ 7
2.2 Connect Power and Signal Cables ..................................................................................... 7
2.2.1 Power Supply .............................................................................................................. 7
2.2.2 Pulse Output Connection ............................................................................................. 8
2.2.3 Current Output (UFM2 only) ........................................................................................ 8
2.2.4 Modbus Connections (if fitted) ..................................................................................... 8
2.2.5 Temperature Sensor Probes (UBT only) .................................................................... 10
2.3 Switch On ......................................................................................................................... 11
2.3.1 UFM2 ........................................................................................................................ 11
2.3.2 UBT ........................................................................................................................... 12
2.4 Adjust Flow Sensor Separation ......................................................................................... 13
2.5 Apply Gel Pads ................................................................................................................. 13
2.6 Clamp Sensor Assembly to Pipe ....................................................................................... 14
2.6.1 Pipe Adaptors ............................................................................................................ 14
2.6.2 Attaching to Pipe ....................................................................................................... 15
2.7 Remove Sensor-Holding Screws ...................................................................................... 16
2.8 Connect Electronics Module ............................................................................................. 16
2.9 Attach the Temperature Sensors (UBT Only) .................................................................... 17
2.10 Normal Operation ............................................................................................................. 18
2.10.1 UFM2 ........................................................................................................................ 18
2.10.2 UBT ........................................................................................................................... 18
2.10.3 Troubleshooting the Flow Reading ............................................................................ 19
2.11 Clip Electronics Module to Sensor Assembly .................................................................... 19
3 MENUS .................................................................................................... 20
3.1 Accessing the Menus ........................................................................................................ 20
3.2 Setup Menu ...................................................................................................................... 21
3.3 Modbus Menu ................................................................................................................... 22