Features
- Unrivalled 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 60 km/h
- Ideal for monitoring underground gas storages
- Can be mounted on any vehicle
Applications
- Inspection of high and low-pressure gas distribution networks
- Detects very small leakages
- Based on a pulsed IR laser system
- Detects leakages by utilising two independent laser detection systems: – Bumper laser for driveway leak inspection
- GPS registration comes as standard with the SELMA system
SELMA Bumper Methane Laser Detector Overview
The SELMA Bumper is a diagnostic gas-detection tool for detecting leaks in urban areas. The system detects gas leaks simply by driving down the street past the inspection area, even at normal driving speed. With two independent laser detectors, the Selma detects leaks ahead and to the side of the driving path.
The SELMA Bumper is highly sensitive and utilises a simple operation process and data assessment. It is also suitable for most vehicles.
SELMA Bumper Laser Methane Detector Specifications
| Technical Data | SELMA Bumper |
| Average operating speed | 30 km/h |
| Maximum operating speed | 50 km/h |
| Max. distance for leak detection | N/A |
| Survey mode | N/A |
| Green Laser Power | N/A |
| Laser Power (Class 1M) | 10 mW |
| Sensitivity (Sideways) | 20 ppm*m |
| Sensitivity (Bumper System) | 0.1ppm |
| Measurement time | 0.04 sec, 0.2 sec
(simultaneously) |
| Selectivity to other gases | <(1/104) |
| Power Supply | 12 V, 240 W |
| Operating temperature range | -10 – +50oC |
| Laser Wavelength | 1.65 μm |
| Laser Pulse Duration | 1 msec |
| Laser Wavelength Scan Range during Pulse | 3*10 μm -4 |
| Parabolic Mirror Diameter | N/A |
| Minimum detectable radiation power | 2pW |
| Analog-digital converter | 333 kHz, 16 bits |
| Dimensions optical unit | 174 cm x 16 cm x 9cm |
| Weight of components: Optical Unit | 15kg |
| Weight of components: Electronical Unit | 8kg |
- Overview
-
SELMA Bumper Methane Laser Detector Overview
The SELMA Bumper is a diagnostic gas-detection tool for detecting leaks in urban areas. The system detects gas leaks simply by driving down the street past the inspection area, even at normal driving speed. With two independent laser detectors, the Selma detects leaks ahead and to the side of the driving path.
The SELMA Bumper is highly sensitive and utilises a simple operation process and data assessment. It is also suitable for most vehicles.
- Specifications
-
SELMA Bumper Laser Methane Detector Specifications
Technical Data SELMA Bumper Average operating speed 30 km/h Maximum operating speed 50 km/h Max. distance for leak detection N/A Survey mode N/A Green Laser Power N/A Laser Power (Class 1M) 10 mW Sensitivity (Sideways) 20 ppm*m Sensitivity (Bumper System) 0.1ppm Measurement time 0.04 sec, 0.2 sec (simultaneously)
Selectivity to other gases <(1/104) Power Supply 12 V, 240 W Operating temperature range -10 – +50oC Laser Wavelength 1.65 μm Laser Pulse Duration 1 msec Laser Wavelength Scan Range during Pulse 3*10 μm -4 Parabolic Mirror Diameter N/A Minimum detectable radiation power 2pW Analog-digital converter 333 kHz, 16 bits Dimensions optical unit 174 cm x 16 cm x 9cm Weight of components: Optical Unit 15kg Weight of components: Electronical Unit 8kg - Downloads
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