UniData Communication Systems 6526 User manual
Manual
Starflow Ultrasonic Doppler
Instrument
Model 6526
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules in the U.S.A. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area
is likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
This equipment has been tested for compliance with European regulations as follows:
Application of Council Directive:
2004/108/EC
Standards to which Conformity is declared:
EN-61000-6-1:2001
EN-61000-4-2:1995
EN-61000-4-3:1995
EN-61000-4-4:1995
EN-61000-4-6:1996
ENV-50204:1995
Any changes or modifications to this equipment not expressly approved by the manufacturer
Unidata Pty Ltd could void the user’s authority to operate this equipment.
Streamline Measurement Ltd
Streamline Measurement Ltd
Streamline Measurement Ltd, 01457-864334, sales@streamlinemeasurement.co.uk, www.streamlinemeasurement.co.uk
Revision History
File name / Revision Date Authors & Change Details
Checked/
Approved
Previous version BX
2004
RS/ JH
Unidata Manual - 6526 Starflow User Manual Issue 2.0
2007
AB/CB/JH/MS/KC
Unidata Manual - 6526 Starflow User Manual Issue 3.0
2008
AB/CB
Unidata Manual - 6526 Starflow User Manual Issue 3.1.doc
2008
DM
Unidata Manual - 6526 Starflow User Manual Issue 4.0.docx - Reformat
12 09 13
MP
Unidata Manual - 6526 Starflow User Manual Issue 4.0-ines.docx
30 01 15
IM,CB
CB
Unidata Manual - 6526J Starflow User Manual Issue 5.0.docx
04 01 16
IM,PD
CB
Unidata Manual - 6526 Starflow User Manual Issue 17 01 2020.docx
17 01 20
DM (Update 3.1)
MS
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reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any spoken
or computer language, in any form or by any means. Electronic, mechanical, magnetic, optical,
chemical, manual or otherwise, without prior written permission of Unidata Pty Ltd 40 Ladner St,
O’Connor Western Australia 6163
Manual – Starflow Ultrasonic Doppler Instrument With
MicroLogger, Model 6526
Unidata Manual - 6526 Starflow User Manual Issue 17 01 2020.docx Contents 1
TABLE OF CONTENTS
1.0 Introduction .........................................................................................................................1
2.0 Operating Principles...........................................................................................................2
2.1 How Starflow Measures Velocity......................................................................................... 3
2.2 Speed of Sound in Water .................................................................................................... 4
2.3 Factors Affecting Data Accuracy......................................................................................... 5
3.0 Specifications...................................................................................................................... 6
3.1 Battery Duration Table ........................................................................................................ 6
3.2 Memory Duration Table....................................................................................................... 6
4.0 Installation ...........................................................................................................................8
4.1 Site Considerations ............................................................................................................. 8
4.2 Starflow Mounting................................................................................................................ 8
4.3 Power Considerations ....................................................................................................... 12
4.4 Starflow 9 Way Vented Cable Connection Table.............................................................. 12
4.5 Drying Tube and Desiccant ............................................................................................... 12
5.0 Starlog v4 starflow instrument only software installation ............................................ 12
6.0 Starflow Scheme Management ........................................................................................20
6.1 Scheme Editor................................................................................................................... 20
7.0 Programming starflow ......................................................................................................33
8.0 Test Mode ..........................................................................................................................35
8.1 Scheme Information .......................................................................................................... 36
8.2 Log Information.................................................................................................................. 36
8.3 Scheme Channels ............................................................................................................. 37
8.4 Log Buffers ........................................................................................................................ 37
9.0 Unloading Data from Loggers.......................................................................................... 39
10.0 Viewing Data......................................................................................................................41
10.1 Source Data File................................................................................................................ 41
10.2 Viewing the Data File ........................................................................................................ 42
11.0 Diagnostics........................................................................................................................ 44
11.1 Comms Window ................................................................................................................ 44
11.2 Upgrade Firmware............................................................................................................. 45
11.3 SDI-12 Test ....................................................................................................................... 46
11.4 Velocity Trace.................................................................................................................... 46
12.0 Velocity Histograms.......................................................................................................... 47
12.1Inherent Factors in Doppler Histograms ........................................................................... 49
12.2 Channel Characteristics Affecting the Signal .................................................................... 50
13.0 Flow Measurement Extensions........................................................................................ 59
13.1 Overview of Creating a Flow Scheme............................................................................... 59
14.0 Computer Communication ...............................................................................................69
14.1 Communications (Starlog) Protocol................................................................................... 69
Manual – Starflow Ultrasonic Doppler Instrument With
MicroLogger, Model 6526
Unidata Manual - 6526 Starflow User Manual Issue 17 01 2020.docx Contents 2
14.2 Memory Layout.................................................................................................................. 69
14.3 Hardware Register Information ......................................................................................... 69
14.4 Starflow - Instructions........................................................................................................ 70
15.0 Starflow SDI-12 Interface..................................................................................................71
15.1 Introduction........................................................................................................................ 71
15.2 Using Starflow as An SDI-12 Sensor ................................................................................ 72
15.3 Starflow SDI-12 Implementation Notes ............................................................................. 73
15.4 SDI-12 Test ....................................................................................................................... 74
Manual – Starflow Ultrasonic Doppler Instrument
Model 6526
Unidata Manual - 6526 Starflow User Manual Issue 17 01 2020.docx
Page 1
1.0 INTRODUCTION
The Starflow Ultrasonic Doppler Instrument is a unique combination of water velocity, depth and
temperature instruments integrated with a solid state logger.
By using digital signal processing techniques, Starflow is able to perform in a wide range of
environments. It is used to record flows in pipes, channels and small streams and operates in a
different range of water qualities from fresh streams to primary sewage channels.
The instrument is intended for economically recording flows in channels, culverts and pipes. It can
also be used where existing techniques are unsuitable or too expensive. It is particularly useful at
sites where no stable stage/velocity relationship exists and where flows are affected by variable tail
water conditions, culvert entry blockages, pipe surcharging, other unstable flow conditions, or even
reverse flows.
Starflow is mounted on (or near to) the bottom of the stream/pipe/culvert and measures the velocity
and depth of the water flowing above it.
This enables a complete stream study to be undertaken with a single instrument.
Models:
•5m depth range (Model 6526J-51 Starflow Kit)
•2m depth range (Model 6526J-21 Starflow Kit)
Starflow system consists of:
•Model 6526J Starflow instrument
•Model 6603DT Drying Tube and Desiccant.
•Model 6603D-SDI Adaptor cable for connecting a Starflow to a computer RS232 & battery
•Model 6526M-2 Stainless Steel Mounting Bracket
•Model 6307C-AUE STARLOG V4 (instrument only) Starflow Licence Key
Table of contents
