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Portalevel® Intrinsically Safe

8th Generation Portable Ultrasonic Liquid Level IndicatorP/N: 2290334-COISEx-stockSame-Day Dispatch*Request Quote*Order must be placed before 1pm UK office hours


Records PORTALEVEL® results by agent weight


Records PORTALEVEL® results by agent weight



Portalevel® IS is a specialist variant of the MAX platform eighth generation portable ultrasonic liquid level indicator by Coltraco Ultrasonics with intrinsically safe approval by ExVeritas. If you are testing fire suppression systems to identify cylinder contents of liquefied gaseous agents e.g. CO2, clean agents, in explosive atmospheres, you should use the non-invasive Portalevel® IS which is suitable for use in ATEX CAT 2 Zone 1 IECEx environments. Examples of this can include Oil & Gas Drilling, Petrochemical Refining & Processing, Fuel Storage, Chemical Manufacturing and many similar environments. Designed for servicing of fire suppression systems, such as CO2, FM-200®, Novec1230, FE-13, FE-25, Halons and many more liquefied gaseous agents, the Portalevel® IS will save you save you time, money and risk.

Three years warranty
Lifetime support
Calibration & trainingcertificates available*
Fast operation.Service a cylinder inunder a minute
Ultrasonic technology No radiation. Non-intrusive.
Suitable for explosive atmospheres
Accurate to 1.5mm offthe true liquid level.
Complies with NFPA regualtions. see Fire Code 1.4.1

Technical Specifications

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  • Height:215 mm (8.46 inches)
  • Width:82 mm (3.22 inches)
  • Depth:30 mm (1.18 inches)
  • Weight:480 grams (16.93 ounces)


+/-1.5mm (1/8 inch)

Verifiable Agents

CO2, H20, FM-200™, NOVEC™1230, old Halons such as 1301 and 1211, FE-13™, FE-25™, FE-36™, HFC-225 & 2271


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

Power Supply

4 x AA L91 Energizer Batteries (only type permitted to use with this device)


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

Operating Temperature

Ta = -20°C to +40°C (68°F to 104°F)Relative Humidity-5 % - 95 %


  • II 2 G Ex ib IIA T4 Gb
  • Coltraco is CE
  • UKAS ISO 9001 Registered & ISO 14001
  • Zone 1 ATEX Certified


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

Package Contents

  • 1 Main Unit
  • 1 Sensor (P/N 2290334-IS-CO10)
  • 1 Ultrasonic Gel Tube
  • 1 Robust Carrying Case
  • 1 Calibration Certificate
  • 1 Operating Instructions
  1. If a specific agent is not listed then please enquire with our technical support team
  2. Please note for rugged applications on old or rough cylinders a dry sensor can be exchanged in the package.
  3. Download Specifications PDF version here-

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