Lights & Lasers
SS181MKII Dimmable Subsea LED Light
Compact 1000 m LED light with serial, power-cycle or analog dimming options.
Hardware model · Reference LIGHT-SI-SS181MKII
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System overview
The SS181MKII is a compact subsea light for diver helmets, inspection equipment and installations with limited space. Its LED source provides approximately 3500 lumens and a wide underwater beam. The August 2025 specification identifies the electrical, optical and mechanical limits; dimming interfaces are selected for the integration.
Applications
- Diver-helmet lighting
- Confined-space inspection
- Subsea camera illumination
Key features
- Approximately 3500 lumens at full output.
- 5000 K white light with CRI 70.
- 90° underwater conical field of view.
- RS485, power-cycle or analog dimming options.
Technical details
Published August 2025 specifications
- Supply
- 20–28 VDC.
- Power
- Approximately 35 W at full intensity.
- Luminous flux
- Approximately 3500 lumens.
- Color temperature / CRI
- 5000 K / 70.
- Field of view
- 90° conical in water; 140° in air.
- LED life
- Up to 50,000 hours.
- Depth
- 1000 m; source feet conversion is approximate.
- Operating temperature
- −10 to +50°C.
- Storage temperature
- −20 to +60°C.
- Dimensions
- Ø48 × 130 mm.
- Weight
- 0.34 kg in air; 0.24 kg in water.
- Housing
- Hard-anodized aluminum and acetal.
- Window
- Acrylic.
- Connector
- Subconn standard; customer selectable.
- Control
- RS485 serial, power-cycle or analog-input dimming.
Configuration options
Dimming interfaceControl option
Select RS485, power-cycle or analog-input dimming and the required connector.
Compatibility and naming
No current public operating or wiring manual beyond the datasheet was found.
Datasheets & documentation
SS181MKII Dimmable Subsea LED Light — specification
Applies to the named models and revision only. Housing, interface and performance differences must follow the individual model tables. Source discrepancies are recorded on the ROVITEC product pages; request the approved specification before integration.
Product advice
Let’s discuss your requirements
Tell us about your application, operating conditions and preferred configuration.
These links open your email app. Send the email to submit your enquiry; demonstration dates and configuration are confirmed by ROVITEC.
roy@rovitec.no