Vehicle-mounted Methane Detecting System-Remote (VDS-R) is one of our latest products, it increases the efficiency and reliability on the natural gas leak detection, especially the pipeline which is hard to reach. The VDS-R system can quickly do the measurement in a long distance without entering any hazardous area.

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As the system start up, infrared laser beam is transmitted from the launch port some of the laser light is reflected by a normal background such as brick, concrete, grass, etc., to the detector. This reflected light is collected and converted to an electrical signal that carries the information needed to deduce the relative methane concentration. This signal is processed so that methane concentrations can be reported in parts per million meter or ppm*m.

The alarm appears while the concentration is high enough to the setpoint, at the same time, LETECT DS Panel software shows the concentration, the setpiont, and location, speed which located by GPS system.

APPLICATION PROFILE

Leak detection of natural gas pipeline

Let avehicle with VDS-R system installed travel along the pipeline, the distance between vehicle and the pipe would be tens of meters. Operator in the vehicle can operating the VDS-R system to scan the area near the pipe, make sure the detection laser "light"?� the area over. Natural gas will come out through the ground as there is a leakage on the pipe. VDS-R system has a high sensitivity to found methane--the main part of natural gas. As VDS-R found methane, the software platform will record the alarm (concentration, location, speed, set-point, pictures, etc.) and sound up to notice the operator.

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Leak detection of natural gas equipment

By operating the VDS-R system in the vehicle and shine the detecting laser to natural gas equipment can easily detecting the equipment is leaking or not. The built-in camera and the monitor of VDS-R system can show the real-time pictures during the detection. Gas leak detection will be simple and easy by using MSE VDS-R system.

Other leak detection

The VDS-R system opens a new realm of survey applications such as:

Plant and Industrial Inspections
Gas Processing Plant Inspections , Compressor Stations
Production Facilities deg›ƒuƒ?? gas gathering, drilling sites etc.
LNG storage tank Inspections

SYSTEM FEATURES

Long range detection with the pipeline far from the vehicle
Operator can operate the VDS-R system on the vehicle roof by simply using the controller in the car
The laser is a Class I product, with no harm to human, animal or any other objects
Long range and high efficiency detection
Reliable result by only detecting methane
Up to 300ft detection range makes it possible to detect the places is hazardous or unable to reach
Extendible software with humanized UI made operation simple and easy, multi-screen, could service are available
Applications use open interfaces (APIs) to interface with other terminals (GIS, control center, etc.)

TECHNICAL SPECIFICATIONS

Detection method‹¬?Tunable Diode Laser Absorption Spectroscopy (TDLAS)

Measurement range‹¬? 0 to 100,000 ppm?úm

Sensitivity‹¬? ppm?úm

Steering range‹¬? 0 to 350 degree (Horizontal), 100 degree (Vertical)

Laser beam size‹¬? Conical in shape‹¬?about a 22ƒ?? diameter at 100ft‹¬?

Alarm modes‹¬? Normal mode and Enhanced detecting mode (ED), ED needs LETECT DS Panel client

System error alarm‹¬?Audible tone and visible message

Self-test & Calibration‹¬?Built-in self-test and calibration function, automatically adjust laser wavelength for maximum sensitivity. Standard calibration unit include

Display‹¬? Large, easy to read LCD with backlight

Operating Environment‹¬?0?øto 130?øF, 0 to 95%RH

Application Software‹¬? LETECT DS Panel client with multi-screen available, logging and display location, video, concentration, open interfaces to interface with other terminals

Compliance‹¬? EMC(EN61000-6-2, EN61000-6-4)

Laser safety‹¬?Detection laser: Class I. Spotter laser: Class IIIa

Enclosure‹¬?IP54 (Water splash and Dust resistant)

Instrument weight‹¬?55lbs

Power‹¬? Vehicle power @DC 12V with backup power supply

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