Micronics
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INTRODUCTION
1.1
General Description
The Portaflow range of portable flow meters uses clamp-on transducers to enable the flow of a
liquid within a closed pipe to be measured accurately without needing to insert any mechanical parts
through the pipe wall or protrude into the flow system.
Using ultrasonic transit time techniques, the Portaflow is controlled by a micro-processor system
which contains a wide range of data that enables it to be used with pipes with an outside diameter
ranging from 13mm up to 2000mm (depending on model) and constructed of a wide range of
materials. The instrument will also operate over a wide range of fluid temperatures.
All models have the following standard features:
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Large, easy to read graphic display with backlighting.
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Simple to follow dual function keypad.
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Easy to follow 'Quick Start' set up procedure.
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Continuous signal monitoring.
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Three isolated switched outputs for use in any combination as a:
o Pulse output (on volume or energy),
o Frequency output (on flow or power), or
o Alarm output (on flow, volume,
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Current output with a selectable range between 0 and 24mA including support for an alarm
current.
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Rechargeable battery.
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Battery management.
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Diagnostics.
Volumetric flow rates are displayed in l/s, l/min, l/h, m³/s, m³/min, m³/h, Ml/s, Ml/min, Ml/hr, Ml/day,
USgals/sec, USgals/min, USgals/h, USgals/day, Barrel/h, Barrel/day, ft3/sec, ft3/min, ft3/hr,
MUSgal/hr), MUSgal/day, Imp Gals/sec, Imp. Gal/m, Imp Gals/hr, Imp Gals/day, Barrels/hr,
Barrels/day. Linear velocity is displayed in metres or feet per second. When operating in the 'Flow
Reading' mode, the total volumes, both positive and negative, are displayed up to a maximum 12-
digit number.
The flowmeter can be used to measure clean liquids that have less than 3% by volume of
particulate content. Cloudy liquids such as river water and effluent can be measured along with
cleaner liquids such as demineralised water.
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On models with a heat-meter
Issue 1.0 March 2021
Portaflow 222 & 333 User Manual
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power, energy, flow signal).
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