Greyline Portaflow PT400, Руководство пользователя

Страница: 2 / 47

Page 2 www.greyline.com
Table of Contents
1: General Description ................................................................................................................... 6
1.1 Introduction.......................................................................................................................6
1.2 Principles of Operation .....................................................................................................7
1.3 Supplied Hardware...........................................................................................................8
1.4 Portaflow PT400 Instrument.............................................................................................9
1.4.1 Connectors .............................................................................................................9
1.4.2 Keypad ..................................................................................................................10
1.4.3 Power supply and battery charging.......................................................................11
1.5 Transducers.....................................................................................................................11
2: Installation …………………………………………………………………………………………….. 12
2.1 Transducer Positioning....................................................................................................12
2.2 Transducer Attachment (Type ‘A’ & ‘B’) ..........................................................................13
2.2.1 Preparation...........................................................................................................13
2.2.2 Attaching the guide rails .......................................................................................13
2.2.3 Fitting the transducers..........................................................................................14
3: Operating Procedures .............................................................................................................. 15
3.1 Setting-up the Instrument ...............................................................................................16
3.1.1 Using the instrument for the first time ..................................................................16
3.1.2 Enabling/disabling the backlight...........................................................................17
3.2 Using the Quick Start Menu ............................................................................................17
3.3 Using the System at a Regularly Monitored Location .....................................................20
3.4 Managing Named Sites ...................................................................................................22
3.4.1 Setting up a new site ............................................................................................22
3.4.2 Changing a site name ..........................................................................................23
3.5 Instrument Calibration .....................................................................................................24
3.5.1 Adjusting the zero cut-off .....................................................................................24
3.5.2 Adjusting the set zero flow offset .........................................................................24
3.5.3 Adjusting the calibration factor .............................................................................25
3.5.4 Adjusting the roughness factor.............................................................................25
3.5.5 Adjusting the damping factor................................................................................27
3.6 Performing Monitoring Functions ....................................................................................28
3.6.1 How to measure totalised flows (manually) .........................................................28
3.7 Configuring the Portaflow PT400 Interfaces ...................................................................30
3.7.3 How to turn the 4-20mA output OFF/ON .............................................................30
3.7.4 4-20mA signal calibration and ranging.................................................................30