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CONTENTS
Page No
System Component Pack
1
Introduction 1
Transducer Mounting
2
Programming – Main Menu 4
Main Menu – Quick Start 4
Main Menu – View/Edit site data 6
Main Menu – Select sensor set 7
Main Menu – Set up Instrument 7
Keypad Options – Pulse, 4-20mA, RS232, Logger, Options 8
Status/Error/Warning messages 10
Application and Performance 12
Flow Range 12
Specification 13
Warranty 14
CE Marking 14
Liquid Sound Speeds 15
Battery Charge Circuit Operation 19
Product Care and Maintenance 21
System Component Pack
204 Plus!!
1. Portaflow Electronics 855-0016A
2. Sensor Assembly complete 855-0015A
3. Interconnecting Cables 740-0007
4. Ultrasonic Couplant 292-0020
5. Carrying Case 855-0013
6. Operating Manual 855-1000
7. Rechargeable Battery Pack 740-0005
PORTAFLOW 204 Plus!!
INTRODUCTION
The PORTAFLOW 204 Plus!!! non-invasive Ultrasonic portable flow meter has been designed
to help Service, Maintenance and Commissioning Engineers make quick, accurate flow
readings of any liquids in pipes from 13mm internal diameter to 115mm outside Diameter.
These compact, rugged instruments will measure flow rate in litres/second, litres/minute,
gallons/minute, US gallons/minute, m
3
/hour, metres/second or feet/sec. The total is displayed
as litres, gallons, US gallons and m
3
.
Simple to set up, the PORTAFLOW is able to accurately measure the flow of clear or cloudy
liquids from 0.3 metres per second up to 8 metres per second, in any pipe material and over a
temperature range of -20°C to +125°C.
Programming is menu driven with the user supplying OD, wall thickness, pipe material and
pipe temperature information when measuring water. Liquid sound speed data is required
when measuring other fluids. It is possible to program the instrument and mount the
transducers in under 2 minutes, with stable flow data becoming available immediately. The
unit is powered by a rechargeable battery pack included in the instrument, which gives an
operating life of 8-10 hours from full charge. For continuous operation the meter can be
operated from the mains, via the battery charger.