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Portalevel® MAX

8th Generation Portable Ultrasonic Liquid Level IndicatorP/N:2290334-COMXNSN: 6680-99-275-5292Ex-stockSame-Day Dispatch*Request Quote*Order must be placed before 1pm UK office hours Check our Price Promise.



The Portalevel® MAX is an ultrasonic liquid level tester, designed to inspect cylinders in 30 seconds. Compared manually weighing fire suppression cylinders, the Portalevel® MAX save you time, labour and minimises risk. The easy to use, UL approved handheld unit allows you to test cylinders in situ and is accepted by regulations an alternative method.

Three years warranty
Lifetime support
Calibration & trainingcertificates available1
Fast operation.Service a cylinder in under a minute
Ultrasonic technology No radiation. Non-intrusive.
10 hour battery life
Accurate to 1.5mm offthe true liquid level.
Complies withNFPA regualtions.see Fire Code 1.4.1

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Download Portalevel Max Technical Specifications PDF here.


Portalevel Max

Want pricing?

Get in touch with our Sales Team today.

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Package includes


  • Dry Sensor

    A standard sensor for all land based Portalevel units. The metal applicator is connected to the unit via 1 meter of ax cable and a BNC connector.

  • Portatherm

    An infrared thermometer comes as standard. Designed with portability in-mind, this device is intended for monitoring cylinders in warm climates.

  • Main Unit

    The main unit is protected a IP65 Enclosure and weighs just 500 grams. It has a LCD Numeric Display with LED Bar Graph and 4 touch button controls.

  • Ultrasonic Gel

    Ultrasonic Gel is a brilliant agent for increasing the surface contact of the Sensor. Coltraco sensors have also been designed to work with water .

  • Extension Rod (Optional)

    The Multi-Banked Extension rod comes as standard with the all Portalevel® MAX Marine models. It is designed for testing the rows of CO2 cylinders 3-4 deep

Technical Specifications

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  • Height:160 mm (6.29 inches)
  • Width:82 mm (3.22 inches)
  • Depth:30 mm (1.18 inches)
  • Weight:300 grams (10.58 ounces)


+/-1.5mm (1/8 inch)

Verifiable Agents

CO2, FM-200™, NOVEC™1230, old Halons such as 1301 and 1211, FE-13™, FE-25™, FE-36™, HFC-225 & 2271

Please speak to our Sales team for the full range.


TX/RX Dry Sensor
  • 14 mm diameter head
  • Contained within a magnetized sensor applicator;
  • Connected by BNC connectors to 1 m length co-ax cable.

Power Supply

1 x PP3 9V battery (battery life 10 hours)


Membrane control operated, LCD back-lit Display measuring 55 x 28 mm

Operating Temperature

-20°C to +70°C (68°F to 158°F)


  • Classification Society Approved- RINA
  • CE
  • ISO 9001 Registered
  • ABS Type Approved” & “ISO 14001 Registered Company


  • IP Rating 65
  • NATO Stock Number: 6680-99-275-5292


Main Unit: 3 Years WarrantySensor: 1 Year WarrantyLifetime Customer Support

Package Contents

  • 1 Portalevel MAX unit
  • 1 Wet Sensor
  • 1 Portatherm
  • Ultrasonic Gel
  • 1 Hard Wearing Carrying Case
  • Calibration certificate
  1. Certificates of competence are issued at the discretion of Coltraco Technical Department.
  2. If a specific agent is not listed then please enquire with our technical support team
  3. Please note: for rugged applications on old or rough cylinders a dry sensor can be exchanged in the package.
  4. Download Specifications PDF version here-

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