Handheld tablet-based, ultrasonic clamp-on flow meter with pressure prediction software

The Portasonic® PRO is a handheld tablet-based ultrasonic clamp-on flow meter with pressure prediction software for calculating internal pipe pressure from measured flow rates. It combines the functionality of the Portasonic® 2.FL0 in measuring flow rates non-invasively with the Portasonic® CALCULATOR, to form the first instrument capable of calculating the internal pressure within pipes, using non-invasive, externally measured flow sensors.

P/N: 2618949-PSOPRO

Get help buying? Chat now, email or call +44 207 629 8475

Send Pricing & Information


Ultrasonic clamp-on flow meter with internal pressure calculator

The Portasonic® PRO combines the functionality of the Portasonic 2.FL0 in measuring flow rates non-invasively with the Portasonic CALCULATOR, which is the first instrument capable of determining the internal pressure within pipes, using non-invasive, external flow technology.

Within this integrated device, users can accurately measure the liquid flow rates in their pipes non-invasively using one of the world’s leading non-invasive flow meter technology for a wide variety of maintenance and inspection needs – accurate to 0.5% of the true flow rate. The technology has been independently verified at an ISO 17025 laboratory, capable of meeting accuracies of +/- 0.5% of the true flow rate.

Users are then able to input this measured flow rate and pipe information into the device to calculate internal pipe pressures. The algorithms involved in calculating internal pipe pressures use an empirical equation derived from the laws of fluid dynamics to calculate the liquid pressure to within 5% accuracy. Our knowledge of the properties of 19+ different fluids and 23 different common pipe materials has enabled us to acquire a detailed understanding of the pressure required to drive different fluids at a variety of flow speeds.

Why choose non-invasive ultrasonic transit time technology over inline flow meters?

  1. Clamp on, portable and non-invasive which allows a single instrument to be used across multiple different pipes / pipe sections
  2. No installation costs such as drilling into pipes, therefore no downtime to the pipe network is present
  3. As there is no contact with the fluid being measured, there is no risk of pressure loss throughout your pipe network
  4. As with above, the fluid cannot damage the flowmeter, which could contribute to a longer lifespan and lower maintenance cost compared to inline flowmeters which are in contact with the fluid and risk being damaged by the pressurised flowing fluid

Why measure internal pipe pressure?

The pressure in a pipe system must be closely monitored to ensure it does not exceed safe tolerances. Critically high pressures can lead to pipe failure, damage to property, and risk to personnel. The durability and safe functioning of pipes, pumps, and related equipment are also affected by pressure. Knowledge of the pressure in a pipe system is therefore important for ensuring that the flow is occurring as expected, in a safe and sustainable manner.

Main Features of the Portasonic® PRO

  • Measure flow rates non-invasively and calculate pressure quickly and easily using an intuitive touchscreen tablet
  • Save data to records and export via USB or email to ensure traceability
  • Filter records by date or by pipe
  • Accounts for temperature and material roughness to produce results of the highest possible accuracy
  • Determine if your pipe is pressurised to within a safe tolerance



What's In The Box

  Portasonic PRO 7” tablet:Handheld, ruggedised, rechargeable 7-inch touchscreen tablet
  Processing Unit with Pair of DM10 Standard Sensors for pipes DN15 – DN700:Compact, ultrasonic flow measurement sensors combined with processing unit
  Pair of Beaded Chain Clamps (set of 2) :Metallic chain clamps for mounting flow measurement sensors with ease
  Measuring Tape :For measuring the distance between flow measurement sensors during set-up process
  Ultrasonic Couplant:For ensuring good contact between sensors and pipe wall
  USB Type-C to USB Type-A adaptor:To allow direct connection between the flow sensors to table and to allow direct plug-in of a USB stick for exporting data
  USB Type-C Cable:For charging and data transfer
  Power adaptor:For charging the tablet
  USB Stick:To save your data on
  User Manual:Contains further information regarding functionality of the instrument and how-to-use
  Installation Manual :Contains further guidance on how to install the flow measurement sensors on the pipe
  Calibration Certificate:As evidence that the unit has been tested and shown to be working before dispatch
  Robust Carrying Case:For portability and ease of carrying the equipment

Technical specifications

Technical Specification

Tablet – 216mm (L) x 136mm (W) x 19mm (D)

Processing Unit – 105mm (L) x 40mm (W) x 21mm (D)

Sensors – Standard Model DM10: 40mm (L) x 20mm (W) x 25mm (D)


Tablet – 558g

Processing Unit & Sensors – 400g

Pipe Diameter Range

Standard Sensor (Model No. DM10): DN15 – DN 700 (1/2” – 28”) for carbon steel, stainless steel, copper and PVC pipes

Liquid Types

Water, Petrol, Diesel, Glycol-Water


Flow Rate: +/- 0.5% of measured value under ideal conditions

Pressure Calculation: +/- 5% of the internal pipe pressure

Flow Velocity

0.01m/s - 25m/s


0.25 mm/s


0.15% of measured value

Turn down ratio


Measurement Rate

1 Hz as standard

Measurement Unit

Flow Velocity (m/s), Volumetric Flow Rate (l/min), Mass Flow Rate (kg/min), Energy / Heat Flow Rate (KJ/s)

Sensor Material

Housing: Stainless Steel

Front Face: PEEK (Polyetheretherketone)

Cable Length

1.5m as standard (additional lengths available upon request)

IP Rating

Tablet - IP67

Sensors - IP66


MT6762 Cortex A53 octa core, 2.0GHz; GPU: PowerVR GE8320, 650MHz


Android 9.0


Built-in 8000mAh rechargeable Li-ion battery

Continuous operation minimum of 10 hours

Standby time

Up to 200 hours

Data Transfer

USB Type-C


φ23 loudspeaker, 1 watt


7.0 inch HD IPS capacitive touch screen, 1280*800px


4 GB

ROM (Storage)



Double cameras, front 2.0MP camera, 13.0MP back camera with flashlight


Geomagnetic sensor, light sensor, proximity sensor, gravity sensor, gyro sensor

I/O Ports

1 x Micro USB port

1 x 3.5mm earphone jack


CE, Coltraco is ISO 9001:2015 and ISO 14001 approved


Main Unit: 3 years

Sensor: 1 year

Lifetime customer support

See the Portasonic® PRO in action.

Frequently asked questions

Pressure gauges are invasive and costly to install in pre-existing systems which are not already pre-installed with one. The Portasonic® PRO can assist by measuring the flow rate of your liquid and obtaining hassle-free pressure measurements at the same time.
The pressure in a pipe varies from a maximum value at the input to a minimum value at the output. It is this pressure differential that drives the fluid through the pipe. The Portasonic® PRO calculates this maximum value based on the measured flow speed. Thus, the value obtained is the maximum pressure at any point in the pipe system, not including added complications such as valves.
The temperature of a fluid can affect its flow and pressure, which is why the Portasonic® PRO instructs the user to input the temperature. As long as the substance remains a fluid, the calculations remain valid over a temperature range of -50°C to 150°C. Accuracy, however, decreases with more extreme temperatures.
The flow rate measurement of the Portasonic® PRO is accurate to within 1%, under ideal conditions that is verified independently by an external ISO 17025 laboratory. Excepting the following caveats, the calculated pressure is always accurate to within ±5%. This accuracy holds for clean pipes, free of internal corrosion and residue build-up. It is also valid for temperatures between 10°C and 30°C. Temperatures outside of these bounds will, for the most part, still yield results of a similar accuracy, but these are as yet unverified. Finally, some graded liquids are listed under a general name, for example, crude oil. These take median values for the liquid properties, which will not necessarily be accurate for all grades.

Related Products

The Permaflow® is a fixed, clamp-on, ultrasonic transit time flow and heat meter that is non-invasive for measuring the flow rates of liquids containing less than 10% of gas/solid contents. It is mains powered, designed for 24/7 monitoring and is accurate to +/- 0.5% of measured value under ideal conditions.

P/N: 3578010-FLOW

The Portasonic® 2.FL0 is a handheld, clamp on, non-invasive ultrasonic transit-time flowmeter designed to measure flow rates liquids in pipes accurate to +/- 0.5% without requiring any invasive installation. It works on a wide range of liquid types containing less than 10% solid content, and pipes from DN15 – DN2500 made from different metal or plastic materials.

P/N: 2618949-PSO

The PORTATANK® is a non-invasive portable ultrasonic tank liquid level indicator capable of detecting liquid levels in a huge range of applications on virtually all liquid types from small 0.5m tanks such as oil levels in Transformers and Ring Main Units (RMU) all the way up to 15m diameter industrial tanks. Safely test externally from the side walls of the tank with no downtime to your system. Portable, durable and hand-held, the Portatank® offers greater flexibility when testing a range of applications, operated by one person with no installation cost.

P/N: 3141184-TANK