The Portamarine is capable of fulfilling the vast majoring of offshore Fire Suppression Servicing inspections and especially popular for use with onboard CO2 fire suppression systems.

7th Generation Ultrasonic Liquid Level Indicator
P/N: 2290334-COPM
NSN: 6680-99-192-2735
IMPA MSG P/N: 652777
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The Portamarine® is the dedicated Marine ultrasonic level indicator, specifically designed for inspecting fire suppression system cylinders.

The device hangs from a strap around the operators neck which is particularly useful when working in the cramped conditions in maritime vessels. The devices is supplied with the Multi-Banked Extension rods, allowing the operators to easily inspect 2, 3 or 4 rows of cylinders. Whilst CO2 is the most popular application, the device can also operate on all major liquid agents including FM200 and NOVEC 1230®. This method also completely removes the need for weighing cylinders which is an incredibly time consuming and dangerous method which can often result in damage to the system during inspections.

The Portamarine® comes with Classification Society Approval and the full Coltraco Customer Commitment, including free Training and Technical Support for the life of the unit, 3 Year Warranty with full replacement in the event of any defect, guaranteed trade in buy-back when upgrading to newer devices and with the most proven technology on the market.

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1. The 20mm Multi Banked Extension rod comes as standard with all Portalevel MAX Marine models. It is designed for testing rows of CO2 cylinders 3-4 deep

2. Ultrasonic Gel is a brilliant agent in increasing the surface contact of the sensor. Coltraco sensors have also been designed to work with tap water.

3. Dry sensor - A standard sensor for all land based Portalevel units. The metal applicatior is connected to the unit via 1 meter or ax cable and BNC connectors

4. 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.



  • Height:98 mm (3.86 inches)
  • Width:158 mm (6.22 inches)
  • Depth:45.5 mm (1.80 inches)
  • Weight:420 grams (14.82 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
  • 14 mm diameter head
  • Contained within a magnetized sensor applicator;
  • Connected by BNC connectors to 1 m length co-ax cable.
Mini Extension Rod Sensor
  • 1 meter in length
  • 24mm in diameter
  • Connected by bnC connectors to 1 m length co-ax cable.

Power Supply

4 x AA 1.5V Batteries (battery life 10 hours)


LCD Numeric Digital Display with LED Bar Graph

Operating Temperature

-20°C to +70°C (68°F to 158°F)Relative Humidity-5 % - 95 %


  • Classification Society Approved- RINA
  • CE
  • ISO 19011 Registered


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


Main Unit: 3 Years Warranty Sensor: 1 Year Warranty Lifetime Customer Support

Package Contents

  • 1 Potamarine unit
  • 1 Wet Sensor
  • 1 20 mm Extension Rod
  • Ultrasonic Gel
  • 1 Hard Wearing Carrying Case
  • Calibration certificate

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