If You Can't Measure It, You Can't Prove It's Safe
SepcoTech supplies the full range of Coltraco Ultrasonics marine instruments: portable, non-invasive tools that let a crew prove the things a survey depends on: that compartments seal, that fire-suppression cylinders are full, and that the steel is still thick enough. One operator, a number on a screen, a logged result.
A British Ultrasonics Specialist, Trusted at Sea
Coltraco Ultrasonics is a long-established British manufacturer of portable ultrasonic instruments, designing and building its own measurement technology in the UK since its first Portalevel in 1987. The company exports roughly 90% of what it makes and was twice honoured with the Queen's Award for Enterprise (International Trade) in 2019 and 2022.
Its instruments solve a single recurring problem aboard ship: confirming the condition of systems you cannot see into. SepcoTech supplies and supports the Coltraco marine range as part of our wider inspection and protection portfolio, so the instrument, the calibration and the technical advice all come from one partner.
- A focused family of marine ultrasonic instruments, not a general catalogue brand
- Non-invasive: nothing is opened, drained, discharged or taken offline to test it
- Single-operator handhelds: checks that actually get done on schedule
- Class-recognised methods, backed by SepcoTech calibration, spares and support
Five Instrument Families for Marine Inspection
Each category links through to product detail, full specifications and the brochure, ready to drop straight into your quote.
Liquid Level Indicators
Portalevel® MAX Marine Plus, Portalevel® IS and the Portasteele® Calculator: confirm fire-cylinder charge through the wall, no weighing.
View level indicators →
Hatch Cover & Watertight Testing
Portascanner® WATERTIGHT PLUS and PRO: ultrasonic watertight / weathertight integrity testing of hatches, doors and cable transits.
View watertight testing →
Ultrasonic Thickness Gauges
Portagauge® 6: multi-echo measurement of true metal thickness through coatings, for hull and structural corrosion surveys.
View thickness gauges →
Ultrasonic Flow Meters
Portasonic® PLUS, Portasonic® PRO and the fixed Permaflow®: clamp-on transit-time flow measurement with no pipe-cutting.
View flow meters →
Non-Invasive Pressure Indicators
Portagas®: non-invasive pressure monitoring of inert-gas and compressed-gas fire systems, to better than the 5% the standards demand.
View gas pressure →Not sure which instrument?
Tell us the vessel, the system and the survey you need to satisfy, and we'll spec the right Coltraco configuration and quote it.
Ask a specialist →Turn Invisible Risk Into a Number You Can Log
A leaking seal and a half-empty CO2 cylinder share one dangerous trait: neither shows on a walk-round. These instruments make them visible.
Prove every seal without a hose or chalk test
Portascanner® WATERTIGHT places an ultrasonic transmitter inside a compartment; the operator scans the seal from outside and any gap shows up as sound passing through, pinpointed and sized down to a 0.06 mm aperture. It supports the regimes you already work to, including IMO SOLAS Reg II-1/21.3 for watertight doors and IACS UR Z17 / DNVGL-CP-0484 hatch-cover weathertightness.
- Repeatable result the crew can run alongside, at sea or in port
- ABS Type Approval and RINA acceptance
- PRO model maps and rates multiple leaks at once
Know the cylinder is full without weighing it
A fixed gaseous fire-suppression system is only as good as the agent left in its cylinders, and a slow leak is silent. Portalevel® reads the liquid level of CO2, NOVEC™ 1230, FM-200® and other agents ultrasonically through the cylinder wall in under 30 seconds, with the cylinder installed and the system armed. It aligns with the IMO SOLAS FSS Code (Chapter 5) regime for fixed gas systems.
- No removal from the manifold, no Hot Work Permit, no down time
- Portasteele® turns the level straight into agent weight in kg
- ATEX/IECEx Portalevel® IS for tanker and gas-carrier zones
Measure the steel that's left, straight through the coating
Corrosion thins hull plate, bulkheads and pipework from the inside out. Portagauge® 6 is a multi-echo ultrasonic thickness gauge that reads true metal thickness through paint and coatings up to 20 mm, so a survey identifies wastage before structural integrity is compromised, with up to 200,000 readings logged for the record.
- Multi-echo: ignores coating, reports true metal only
- Steel 1.50–100.00 mm, accuracy ±0.1 mm
- Data logger for traceable corrosion surveys
The Check That Doesn't Take the Ship Offline
Coltraco's instruments read through steel and through coatings, so the inspection adds no risk, no down time and no paperwork gap.
Non-Invasive
Sensors sit on the outside of a cylinder, tank or hull plate. Nothing is opened, drained or discharged, and the system stays in service throughout.
Single Operator
One crew member with a handheld does the job that once needed flooding tests, cylinder removal or a dockyard. Faster rounds mean checks happen on schedule.
Decisive Reading
A clear number, whether decibels, liquid level, agent weight, pressure or thickness, replaces guesswork. You know whether the door seals or the bottle is full.
Audit-Ready
Readings log to the device and export for the record: the evidence a class surveyor or a port-state inspection needs, traceable to date and location.
The Instruments, Demonstrated
Footage published by Coltraco Ultrasonics, covering watertight integrity testing, fire-cylinder level checking and inert-gas pressure monitoring.
Aboard Roughly One in Six Ships Afloat
Coltraco's instruments are aboard roughly one in six of the world's ~60,000 ships, across commercial shipping, offshore and naval fleets, and the company supplies some 28 market sectors worldwide.
Commercial Shipping
Tankers, bulkers, container and RoRo fleets use Coltraco instruments to keep watertight, fire-system and corrosion records straight for class and port-state inspection.
Commercial shipping solutions →Offshore & Energy
Platforms, FPSOs and gas carriers rely on non-invasive testing, including the ATEX/IECEx Portalevel® IS, where opening a system or striking a spark is not an option.
Offshore & energy solutions →Survey & Class
Surveyors, fire-servicing companies and ship managers use the logged, repeatable readings as evidence for SOLAS, FSS-Code and class-society requirements.
SOLAS & class servicing →Independently Certified & Class-Approved
Approvals vary by model and are confirmed per instrument at quotation. SepcoTech is an Authorised Distributor of Coltraco Ultrasonics and supplies, calibrates and supports the marine range.
Fleet-coverage and in-service figures as published by Coltraco Ultrasonics. SepcoTech is an Authorised Distributor and represents the manufacturer; we make no claim of endorsement on their behalf.
Used by Leading Ship Managers & Owners
A selection of the ship managers, owners and operators that use Coltraco ultrasonic instruments.
★★★★★“Coltraco is one of the very few companies which prioritize customer satisfaction over everything else. We have experienced this in every transaction we did with Coltraco.”
Maqbool, ELCOME International, Dubai
★★★★★“Excellent quality products. Outstanding customer service by the Coltraco team keeps us coming back. The personal touch in every interaction makes all the difference.”
Muneer Mohammed, Lois Safety
Customer and review references as published by Coltraco Ultrasonics. According to Allianz's Safety & Shipping Review 2023, fire was the second-leading cause of large-ship total loss in 2022, after foundering (overwhelmingly caused by water ingress); these are the two failure modes these instruments help guard against. SepcoTech is an Authorised Distributor and represents the manufacturer.
Brochures & Datasheets
Download the Coltraco product brochures, or ask us for application-specific data and calibration documents.
More brochures are linked on each product page. Need a specific datasheet or calibration certificate? Ask a specialist →
IMPA Codes & ShipServ: Order in One Step
Coltraco's core marine instruments are listed in the IMPA Marine Stores Guide. Quote the IMPA code against the SepcoTech TradeNet number and order through your normal marine procurement workflow.
ShipServ
SepcoTech TradeNet: TN 317545
Search TN 317545 on ShipServ TradeNet, or send an RFQ quoting any IMPA code below. The IMPA code plus our TradeNet number identifies the exact instrument, with no cross-referencing and no ambiguity. Items you add to your quote here carry their IMPA code through to us automatically.
IMPA reference: Coltraco core marine instruments
| Instrument | IMPA (Marine Stores Guide) |
|---|---|
| Portalevel® MAX Marine Plus: liquid level indicator | 652776 |
| Portalevel® range: liquid level indicators | 652776 |
| Portascanner® WATERTIGHT PLUS: integrity tester | 652778 |
| Portascanner® WATERTIGHT PRO: integrity tester | 652778 |
| Portasteele® Calculator: agent-weight converter | On request |
| Portagauge® 6: ultrasonic thickness gauge | On request |
| Portasonic® PLUS / PRO: clamp-on flow meters | On request |
| Permaflow®: fixed clamp-on flow & heat meter | On request |
| Portagas®: non-invasive gas pressure monitor | On request |
IMPA codes shown are the Coltraco references confirmed in the IMPA Marine Stores Guide. Codes marked "On request" are confirmed at quotation: ask a specialist.
Build Your Quote
Add instruments and accessories to one list and send it in under a minute.
Start a quoteTalk to a Specialist
Not sure what fits? Tell us the vessel and survey and our team will spec it.
Ask a specialistColtraco Instruments: Common Questions
New to ultrasonic inspection? Our testing guide explains where and how each instrument is used.
What does SepcoTech supply from Coltraco?
How do I order, through ShipServ?
Are the instruments class-approved?
Do I have to take systems offline to test?
Which instrument do I need for which job?
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Authorised Distributor
SepcoTech is an authorised Coltraco Ultrasonics distributor: genuine, warranted instruments, never grey-market stock.
One Partner for Support
Instrument, calibration, spares and technical advice all come from one place, giving you a single point of contact for the life of the kit.
A Reply in One Business Day
We quote marine & offshore operators with pricing, approvals notes and availability, typically within one business day.
Quote Request Sent!
Thank you. Your selected instruments are on their way to the SepcoTech team. We'll respond within one business day with pricing, approvals notes and availability.