The S531 Smart Ultrasonic Leak Detector provides time-efficient leak detection of compressed air and gas systems, even from a distance. The Leak Detector is offering state-of-the-art features and benefits.
Made in Germany. brand SUTO, model S531
Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.
price by request
Available
Official distributor in Latvia
Time-tested American, European and Asian brands of control and measurent instruments
Special price list for organisations
We offer a significant discount for trade organisations and manufacturing companies
Worldwide shipping on request
We take care of all logistics and customs clearance. Fast delivery to Baltic countries
After-sales service and support
Warranty service and repair, expert assistance in the operation of the instruments
The S531 ultrasonic leak detector is an advanced solution for fast and efficient detection of leaks in compressed air, gas, and pneumatic systems, even from a distance. The built‑in touch screen, laser pointer, and intuitive interface ensure ease of use even in demanding industrial environments.
Compressed air leaks force compressors to run under increased load, leading to higher electricity costs. Timely detection and repair of leaks using the S531 can reduce energy consumption by up to 30 % – providing a rapid return on investment.
The instrument helps users quickly locate and record leaks: point the laser pointer at the suspected area – the leak level is displayed on the screen. For precise pinpointing, use scanning at medium distance or the focus tube with focus tip. The built‑in camera and microphone allow taking photos and recording voice memos for each detected leak – simplifying subsequent tracking and repair.
Thanks to the combination of portability, touch‑screen operation, photo documentation, and voice memos, the S531 makes leak surveys more flexible and reporting highly informative. It is the ideal solution for energy audits, routine inspections, and rapid response to losses in pneumatic systems.
Integration with Leak Management Software (LMS)
The S531 is designed to work with the SUTO Leak Management Software (LMS), which enables companies to systematically manage their leak detection and repair processes. An LMS license is included free of charge with the instrument – allowing you to immediately start generating detailed leak reports without additional software costs.
Benefits
Features
Scope of delivery

The video illustrates the capabilities and setup of the S531 intelligent ultrasonic leak detector for compressed air and gases, used in conjunction with LMS software for leak management and energy audits.
| MEASUREMENT | |
| Selectable units | l/min, m³/h, cfm, bar, MPa, psi |
| Sensor | Ultrasonic leak detection sensor |
| Laser | Wave length: 640 … 660 nm Output power: < 1.0 mW |
| Camera | 5.0 mega pixels |
| INTERFACE & SUPPLY | |
| Supply | |
| Power supply | Internal Lithium-Ion battery |
| Operating time | 6 h |
| Data interface | |
| Connection | USB port for charging and data exchange |
| Headset | |
| Headset | Noise isolated headset |
| Headset connection | Wireless and 3.5 mm stereo phone jack for headset |
| GENERAL DATA | |
| Display | |
| Integrated | 3.5” color LCD touch screen |
| Data Logger | |
| Storage | Integrated mass storage, up to 500 records for voice recordings and pictures |
| Material | |
| Housing | PC + ABS |
| Miscellaneous | |
| Protection class | IP30 |
| Approvals | CE |
| Weight | 430 g for the leak detector 3.65 kg for the full set |
| Operating conditions | |
| Medium | Compressed Air, refrigerants and any compressed gases |
| Ambient temperature | 0 … +40 °C |
| Ambient humidity | < 90 % rH |
| Storage temperature | -10 … +50 °C |
| Transport temperature | -20 … +50 °C |
| Model | Description | Price |
| P601 0104 | S531 Smart Ultrasonic Leak Detector Set consisting of: handheld meter, noise isolated/canceling headset wireless, focus tube/tip and trumpet, charger, 100 leak tags, all in transport case. Including 1 LMS license for Leak-Reporting | On request |
| P560 0104 | S531 Smart Ultrasonic Leak Detector | On request |
| A554 0119 | Noise-isolated/canceling headset | On request |
| A530 0101 | Focus tube and focus tip | On request |
| A554 0117 | S531: Battery charger | On request |
| A554 0118 | S531: Transport case | On request |
| A554 0122 | Leak tags to mark found leaks, 100 pieces | On request |
| A554 0123 | S531: Trumpet to increase sensitivity and isolate from environmental noise | On request |
| A554 0133 | Ultrasonic Transmitter | On request |
| M599 7045 | LMS Leak Management Software, Local Installation, 1 License (bound to local PC), one-time payment. Note: 1 License is included in the Detector set. | On request |
You can request the necessary certificates, documentation, instructions and user guide for SUTO S531 using the special form.
You can buy SUTO S531 in Latvia at a price starting from price by request € in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email olil@olil.lv. SUTO S531 price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.