We Invent to Prevent.

SELMA
STREET EVALUATING LASER METHANE ASSESSMENT

SELMA is a family of advanced methane leak detectors designed for both vehicle-based and walking inspections. Using a pulsed infrared laser, SELMA quickly and accurately identifies methane emission sources, enabling efficient leak detection across a wide range of applications.
SELMA (Street Evaluating Laser Methane Assessment) is designed to search for gas leaks in urban environments. It is able to detect even a weak gas concentration moving at a speed of 31 mph (50 km/h).

useful for
Underground
Gas Storage
Country Inspection
Transportation Gas Pipeline
City
Inspection
Urban Gas Infrastructure

Country Gas Infrastructure

Underground Gas Storage

Gas Pipelines

SELMA advantages
Unrivaled detection accuracy
SELMA applications
main pipelines, gas pipeline branches, block valve stations, gas distribution plants, underground gas storage facilities, gas distribution networks in urban and rural settlements.
High-speed survey
SELMA vehicle-based complex can survey up to 93 miles (150 kilometers) of urban infrastructure per one working day. This is ten times more than a foot patrol personnel could walk.
Quiet and safe
Scanning laser of the remote detector meets all safety standards and is absolutely harmless to humans and animals. A video camera without a laser target finder is used to aim at the living premises which will not disturb residents at all.
How It Works
SELMA Dome is a laser remote detector mounted on the vehicle top and scanning the surrounding area for methane leaks within a radius of 262 feet (80 meters). SELMA is designed for high-accuracy inspection (leak detection from 0.1 ppm) of a wide range of gas facilities: from gas fields and gas transport system to gas consumers. The system can be installed on any vehicle — a passenger car, a lorry, an off-road or a self-balancing scooter. The high economy of the laboratory is due to the optimal speed of inspection — up to 31 mph. Measurement readings with GPS position are stored in the device.

SELMA recognizes methane clouds that cross through the IR beam between the object and the sensor, measuring the discharge.
SELMA Dome Specifications
CHOOSE YOUR SELMA
360° leak detection
SELMA Dome is a remote laser detector on a rotary platform. It is mounted on the vehicle top to monitor gas leaks within a radius of 262 feet (80 meters).

SELMA Dome features
  • Effective both during parking and while driving;
  • Scanning modes: directional (manual), circular;
  • Methane detection through window glass;
  • Laser radiation is safe for humans;
  • No special person required; a driver/operator is enough;
  • Built-in GPS receiver for accurate leak location;
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Next-generation speed and sensitivity
SELMA MPB2 is a high-sensitivity vehicle-mounted laser methane detector for bumper installation

SELMA MPB2 features
  • Sensitivity of 0.03 ppm
  • Measurement time of 0.04 s
  • Operates in automatic mode
  • Effective for patrolling aboveground and underground gas pipelines
  • Operates without loss of quality at a speed of up to 31 mph
  • Ideal for monitoring underground gas storages
  • Can be mounted on any vehicle
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High sensitivity
SELMA MPB is a laser methane detector for local detection of the lowest gas concentrations. Air intakes are mounted at the bottom of the front bumper.

SELMA MPB features
  • Sensitivity of 0.1 ppm;
  • Operates in automatic mode;
  • Effective for patrolling aboveground and underground gas pipelines;
  • Operates without loss of quality at a speed of up to 37 mph.
  • Ideal for monitoring underground gas storages;
  • Can be mounted on any vehicle.
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Compact and wireless
SELMA Mini is a wireless, easy-to-install, battery-powered natural gas leak detector

SELMA Mini features
  • Detects methane with a sensitivity of 200 ppm×m
  • Detection range up to 197 ft
  • Built-in GPS receiver and real-time video camera with zoom
  • Magnetic mount for any metal surface
  • Simple inspection process involving only driver or operator
  • Can be paired with SELMA MPB laser sniffer
  • Horizontal detection angle 360°
  • Controlled from a tablet PC via Wi-Fi
  • Battery life up to 10 hours
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Multi-purpose portable sniffer
SELMA Duo is a highly sensitive backpack-mounted gas leak detection system designed for both walking and vehicle-based surveys.

SELMA Duo features
  • Detects methane and ethane without false alarming on other gases.
  • Extendable probes for all surface types
  • Compatible with the mobile app (Android and iOS)
  • Exports reports to the cloud via Bluetooth
  • Works with wireless controller
  • GPS positioning accuracy within 20 in
  • Backpack weight is 8 lbs
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New generation vehicle-mounted remote laser methane detector
SELMA Dome G5 is our latest vehicle-mounted remote laser methane detector.

SELMA Dome G5 features
  • Detection range up to 3,280 ft
  • Max vehicle speed 31 mph
  • Precisely calibrated to detect methane with a sensitivity of 5 ppm×m
  • Installation on any type of chassis
  • Can be paired with SELMA MPB laser sniffer
  • Horizontal detection angle 360°
  • Simple inspection process involving only driver or operator
  • Human-safe laser light
  • Built-in GPS receiver for accurate leak location
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Specifications
In Use
Dozens of completed projects around the world
FAQ
Honest answers to important questions
Contact us
You can order the equipment or ask questions here