The SE850 Hyperbaric Flame Detector is specifically designed to be used within the harsh environment of saturation diving systems and is suitable for depths up to 500 msw.
It operates by detecting the ultraviolet radiation emitted by a flame, while not being sensitive to visible light. Detection is signalled by a front-mounted red LED, and by a set of normally-closed relay contacts. The detector is housed within an aluminium pressure housing, which protects the internal electronics from the pressurised environment typically found within a saturation diving chamber.
The SE850 Hyperbaric Flame Detector is type approved for use in saturation diving systems by both Lloyd's Register and DNV-GL.
LR Type Approval Certificate: 17/90004
DNV-GL Type Approval Certificate: TAA000017X
Further Information
| Item | Order code |
| Hyperbaric flame detector with 10m cable tall | SE850 |
| Working pressure | 50 bar |
| Depth rating | 500 msw |
| Dimensions | Length 220mm x 66mm dia |
| Weight | 1.6kg |
| Supply voltage | 24 Vdc (+/-20%) |
| Current consumption | 0.1 A |
| Relay contacts max. load | 60 Vdc / 3 A |
| Operating temperature | 0-55C |
| Detection wavelength | 185 to 260 nm |
| Device sensitivity | Class 3 (12m) |
| Detection angle | 30 degrees from optical centre |
Electrical Connections
| 1 | +Vin (power supply positive) |
| 2 | -Vin (power supply negative) |
| 3 | Not used |
| 4 | Not used |
| 5 | Not used |
| 6 | RC+ (positive terminal of normally closed contacts) |
| 7 | RC- (negative terminal of normally closed contacts) |
| Document | Document type | Download |
| SE850 Hyperbaric Flame Detector | Datasheet |
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