Leader SENTRY B2
Firefighter and USAR applications
Accurate for optimal safety
It continuously monitors detected movements and displays changes on its screen for real-time awareness.
Leader SENTRY is a stability monitor that detects the structural movements of an unstable building. Its laser continuously monitors detected movements and displays
changes on its screen for real-time awareness.
Leader SENTRY can detect a 5 mm structure movement at a distance of 30 m! A telescopic sight helps to point the laser accurately at the targeted unstable structure.
It allows firefighters and USAR teams to be alerted by a visual and audio alarm (98dB) when a structure movement, however small, is detected.
- Primary function
- Monitors movements of unstabilised and stabilised structures at distance (30m) = far safer
- Sentry B2 (2 laser beams with control box)
- Risk during implementation
- None as it is done in a chosen safe area and before any risk is taken, monitoring larger structurers and larger areas of work, thus protecting larger numbers of people
- Telemeter laser beam
- Monitoring method
- Monitors and detects movements from 5 mm to 100 mm.
Several thresholds (5, 10, 20, 40, 70, 100 mm)
- Live monitoring
- Sentry displays distance to target(s) in real time for movement evaluation allowing to choose relevant threshold
- Unit calibration in field
- 1 audible alarm level at 98 dB ensures alarm to be heard or OFF
- Alarm option
- Sentry proposes an out put source to plug a remote loud speaker
- Flash light
- 2 blinking rythms: working signal or alarm triggering
- Out short-duration interruptions of the beam passing through it (e.g. people, birds etc.) are filtered.
- Designed for external positioning during rescue response
- Avoid shiny surfaces or too bright and too dark surfaces
Laser efficiency (distance) decrease with high luminosity from sun
Does not work with smokes, rain or fog.
- Power supply
- 3 means:
110/220V 50/60 Hz mains power pack with adaptors transformer to 110/220V
12V cable with vehicule AC adaptor
Cell batteries:16 AA alkaline batteries supplied
- Running time
- By using the 2 sets of battery supplied:
6 hrs (2 lasers)
By using standard batteries:
2 connected lasers: 9 hrs with 8x AA lithium battery (not supplied)
3 hrs with 8x AA alkaline battery (supplied)
1 connected laser: 14 hrs with 8x AA lithium battery (not supplied)
7 hrs with 8x AA alkaline batteries (supplied)
- IP 54 (rain resistant)
- Laser on tripod cable connected to control board in case
- 12 months
- Number of lasers
- 2 class 2 lasers equipped respectively with 4m and 20m of orange anti-abrasion cable
- Number of tripods
- 2 robust tripods, height-adjustable to avoid interference with site activity (1.80m) with a built-in hook for attaching ballast at their centre
- Number of ball joints
- 2 ball joint allowing tripod – laser connection.
- Shockproof and waterproof (when closed) containing the
- console control monitor
- Dimensions (W x H x D)
- 670 x 510 x 372 cm
- 26.5 kg
- Operating temperature
- from -25°C to +50°C
- Storage temperature
- from -40°C to +70°C
- Power supply
- On mains with 110/220V 50/60 Hz transformer and international adapters
or on cigarette lighter socket (12V cable with adapter)
or with 16 AA alkaline batteries (emergency power supply)
- Autonomy with emergency power supply
- 2 connected lasers: 9h with 8 AA lithium batteries (not supplied)
1 connected laser: 15.5h with 8 AA lithium batteries (not supplied)
2 connected lasers: 3h with 8 AA alkaline batteries (supplied)
1 connected laser: 7h with 8 AA alkaline batteries (supplied)
6h (2 lasers) and 14h (1 laser) using the 2nd series of batteries (thanks to the 16 alkaline batteries supplied)
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