Obtain Weight of Cylinders in 30 Seconds

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Identify the weight of cylinder contents by converting the liquid level height (taken by a Portalevel®) using the award winning Calculator application, the Portasteele® CALCULATOR.

SAVE Money, Risk and Time with the SHE Awards Fire Innovation of the Year 2018.

  1. Save Money
    Add value to servicing and enhance safety management system thanks to the accurate and reliable datalogging capability which enables the results to be recorded, downloaded and emailed as a CSV file
  2. Save Risk
    Traditional method of manually weighing fire suppression system cylinders is no longer necessary, by using Portalevel®to find the level height and this app to convert into the fill weight
  3. Save Time
    Together with Portalevel® this app on the 7” rugged tablet enables a competent user to test a cylinder to identify contents loss in under 60 seconds

LEARN Three Core Benefits:


  1. FIRST IN THE WORLD – The Portasteele® CALCULATOR is the first in the world to provide agent weight readings without physically weighing the fire suppression cylinders to comply with fire safety regulations.
  2. HIGHLY ACCURATE – It takes into account the dimensions of practically any cylinder, the type of agent being measured and the ambient temperature therefore providing accurate results in a variety of conditions
  3. SAVE COST OF MAN HOURS – Decreasing the time to regularly and effectively test cylinder agent weights, when paired with a liquid level indicator, Portasteele® CALCULATOR will reduce the inconvenience and costly man hours required for testing.

WATCH How to Use The Portasteele® CALCULATOR


  1. Input your cylinder details:
    Agent, Height, Circumference, Actual Liquid Level (taken with a Portalevel® unit), Temperature, Dome Height, Printed Fill Weight
  2. Touch “Calculate” and instantly see the weight
  3. Optional: save your results and record in a spreadsheet which can be easily shared by email.
    SEE the Portasteele® CALCULATOR: https://coltraco.com/coltraco-products/portasteele-calculator/

KEYWORDS: Portasteele® CALCULATOR, cylinder weight, fire suppression systems, liquid level, ultrasonic liquid level indicator

Get in touch

You can reach us anytime via phone or email, we aim to respond to all enquiries within 24 hours (excluding weekends and bank holidays)


Come say hello at our Technical Laboratory.

Coltraco Ultrasonics
NETPark Research Institute
Joseph Swan Road
TS21 3FB

United Kingdom


Monday - Friday (excluding bank holidays) from 8:30am to 6:00pm, UK.

Tel (Sales & HQ): +44 20 7629 8475
Tel (Technical): +44 1740 618 240