Description
The Portalevel® Standard Portable Ultrasonic Liquid Level Indicator is a proven non-invasive inspection instrument designed to accurately determine liquid levels inside sealed cylinders and vessels. Utilizing advanced ultrasonic technology, the instrument identifies the liquid-gas interface within a container without requiring the cylinder to be opened, depressurized, disconnected, or weighed.
This enables maintenance personnel to perform routine inspections quickly and efficiently while reducing downtime, minimizing labour costs, and eliminating unnecessary system disruption.
Trusted Worldwide for Fire Suppression System Inspections
The Portalevel® Standard is one of the most widely used ultrasonic liquid level indicators for fire suppression system maintenance. It is trusted by fire protection contractors, facilities management teams, marine operators, offshore installations, industrial plants, and government organizations worldwide for the inspection of suppression cylinders containing CO₂, FM-200®, Novec™ 1230, Halon, and other extinguishing agents.
Its proven reliability and ease of use make it an essential tool for preventive maintenance programs where accurate verification of cylinder contents is critical to system readiness and compliance.
High Accuracy and Reliable Performance
Designed specifically for professional field use, the Portalevel® Standard delivers measurement accuracy of ±1.5 mm, allowing technicians to identify liquid levels with confidence. The supplied TX/RX dry sensor provides reliable and repeatable measurements, while the LCD display and LED bar graph offer clear visual indication during testing.
The instrument is capable of producing accurate results in a wide range of operating environments, making it suitable for routine inspections across commercial, industrial, marine, and offshore applications.
Rugged Portable Design for Field Engineers
Built to withstand demanding environments, the Portalevel® Standard features a compact handheld design and an IP65-rated enclosure for protection against dust and water ingress. The lightweight construction, battery-powered operation, and durable carrying case allow maintenance personnel to perform inspections efficiently both on-site and in the field.
With simple controls and straightforward operation, technicians can quickly verify cylinder liquid levels without extensive training or complicated setup procedures.
Certified Quality and International Recognition
Manufactured in the United Kingdom by Coltraco Ultrasonics, the Portalevel® Standard is recognized worldwide for its quality, durability, and performance. The instrument is CE Certified, ISO 9001 Registered, and Classification Society Approved (RINA), providing users with confidence in its accuracy and reliability.
In addition, the Portalevel® Standard has been assigned NATO Stock Number (NSN) 6680-99-275-5292, reflecting its acceptance and use within professional, institutional, marine, defence, and government sectors where dependable inspection equipment is essential.
Complete Inspection Solution
Each Portalevel® Standard Portable Ultrasonic Liquid Level Indicator is supplied complete with a dry sensor, operating manual, short-form instructions, calibration certificate, and a durable carrying case, providing everything required to begin cylinder inspections immediately upon receipt.
Whether used for fire suppression system servicing, marine safety inspections, industrial maintenance, or facilities management programs, the Portalevel® Standard delivers a fast, accurate, and cost-effective solution for liquid level verification in sealed cylinders.
Key Applications
- CO₂ fire suppression cylinder inspection
- FM-200® cylinder level verification
- Novec™ 1230 cylinder inspections
- Halon cylinder maintenance
- Fire suppression system servicing
- Marine fire protection systems
- Offshore fire suppression installations
- Data centre fire protection systems
- Industrial fire suppression systems
- Facilities maintenance inspections
- Preventive maintenance programs
- Cylinder asset management
Why Buy From Us
- Technical Product Support
We specialize in supplying professional measurement and inspection instruments. Our team can assist with product selection, application advice, and technical enquiries. - Local Warranty Support
For the first 90 days, warranty support is provided directly by us for faster and more convenient assistance. Any manufacturer warranty claims beyond 90 days and up to the manufacturer’s warranty period are handled directly by Coltraco. - Genuine Product Supply
We supply genuine Portalevel® instruments manufactured by Coltraco Ultrasonics, UK. - After-Sales Assistance
We remain available to support customers with product usage, technical questions, and documentation requirements after purchase.
Quotation and Lead Time Support
Available on indent basis. Contact us for current lead time and availability.
Product Specifications
| Model | Portalevel® Standard Portable Ultrasonic Liquid Level Indicator |
| Measurement Technology | Ultrasonic Liquid Level Detection |
| Accuracy | ±1.5 mm |
| Dimensions | Height: 155 mm Width: 95 mm Depth: 45 mm |
| Weight | 500 g |
| Sensor Type | TX/RX Dry Sensor |
| Sensor Head Diameter | 14 mm |
| Sensor Connection | BNC Connector with 1 m Coaxial Cable |
| Display | LCD Numeric Display with LED Bar Graph |
| Power Supply | 4 × AA 1.5V Batteries (Approx. 16 Hours Operation) |
| Operating Temperature | -20°C to +70°C (68°F to 158°F) |
| Ingress Protection | IP65 |
| Certifications | CE Certified ISO 9001 Registered Classification Society Approved (RINA) |
| NATO Stock Number (NSN) | 6680-99-275-5292 |
| Country of Origin | United Kingdom |
| Compatible Suppression Agents | CO₂ H₂O FM-200® Novec™ 1230 FE-13™ FE-25™ FE-36™ HFC-225 HFC-227ea Halon 1301 Halon 1211 |
| Package Contents | 1 × Portalevel® Standard Unit 1 × Dry Sensor 1 × Operating Manual 1 × Short Form Instructions 1 × Calibration Certificate 1 × Hard Wearing Carrying Case |
| Availability | Available on indent basis. Contact us for current lead time and availability. |
Product Demonstration Video
See the Portalevel® Standard Portable Ultrasonic Liquid Level Indicator in action.
This demonstration shows the instrument testing a 45kg CO₂ fire suppression cylinder using non-invasive ultrasonic liquid level measurement technology. The video provides a practical overview of how technicians can quickly verify cylinder contents without disconnecting, depressurizing, or dismantling the system.
