The Ok-Sea and Airfield Product Catalogue

1 Mile Solar LED Lights

The OkSL15 1 mile LED compact lantern is designed to be maintenance-free and have a service life of over 5 years.
The unit uses 4 ultra-high intensity LEDs as a light source, and is made entirely from tough U.V. stabilized poly carbonate, making it ideal for aquaculture, hazard & perimeter marking, or transport/railway use.

The OkSL15 1 mile LED compact light is exceptional value and incorporates some of the most advanced technology available. In the tradition of Sealite lanterns, the OkSL15 is designed to be maintenance-free and have a service life of over 5 years. This makes the unit ideal for hazard marking, aquaculture, navigation, perimeter lighting and a host of other applications.

The units use 4 LEDs as a light source, and incorporate a 1.6Ah high-grade user-replaceable NiMH battery pack coupled with a 0.43watt solar module. The lens is sealed to the base using an ultrasonic welding technique, making the unit completely waterproof and capable of complete immersion. The waterproof rating of IP68 is unmatched by other manufacturers. Both the lens and base are made from U.V. stabilized polycarbonate to provide excellent impact-resistance. The lens also incorporates a bird-spike deterrent.

Once installed, operation of the OkSL15 1 mile light requires no operator intervention. There is a choice of 16 factory-set flash characters, and the unit is supplied ready for immediate operation. During daylight hours the solar module will charge the battery, and the lantern will automatically begin operation at dusk – once the ambient light threshold drops sufficiently. Coupled with LED technology, and a highly efficient DC/DC converter, the lantern may provide over 30 days of continuous operation without sunlight.
 

2 Mile Solar LED Lights

The OkSL60 & OkSL70 lanterns are the most advanced and versatile compact marine lanterns available.
Both have over 250 flash characters, adjustable on-site by the user. The units also boast a completely sealed battery compartment, which enables the battery to be changed after years of service.
The OkSL70 unit excels in its ability to operate reliably in low-sunlight conditions, through the use of the Ok-Sea light solar collection lens, and dual high-performance solar modules - tilted to face the sun.
 

OkSL60 Solar LED Lantern The OkSL60 2 mile solar-powered LED lantern is maintenance-free and has a service life of over 5 years, extended through easy battery replacement. The unit is ideal for navigation, hazard lighting, aquaculture, perimeter lighting and a range of other applications.

The lantern uses 6 LEDs as a light source, and incorporates a 4Ah high-grade NiMH battery pack coupled with a 1.3watt solar module. The lantern is completely sealed and vented to alleviate pressure build-up through air exchange, without the moisture ingress. The light has been independently tested to IP68 for water ingress, and is capable of prolonged immersion. Both the lens and base are made from UV stabilized polycarbonate to provide excellent impact-resistance and a corrosion-free life.

The OkSL60 is extremely versatile, and designed to offer the user enormous flexibility. The lantern can be easily set on-site to any of over 250 IALA recommended flash characters, and any of 4 intensity settings. For easy storage and shipping, the lantern can be deactivated via an ‘on/off’ toggle switch. The base of the lantern incorporates a unique sealed battery compartment, allowing the user to easily replace the battery after years of service.

The lantern is simply switched ‘on’, and the unit is ready for immediate operation. Once installed, operation of the OkSL60 requires no operator intervention. During daylight hours the solar module will charge the battery, and the lantern will automatically begin operation at dusk – once the ambient light threshold drops sufficiently. Coupled with LED technology, and a highly efficient DC/DC converter, the lantern may provide over 25 days of continuous operation without sunlight.

 

OkSL70 Dual Module 2 mile Lantern

The OkSL70 2 mile compact LED lantern is the most advanced and versatile compact lantern on the market. The dual solar module unit is designed for low-medium sunlight conditions and has proven its reliably in regions such as Britain and North America. Users are continually pleased at the ease of battery replacement. The unit is ideal for navigation, hazard lighting, aquaculture, perimeter lighting and a range of other applications.

The lantern uses 6 LEDs as a light source, and incorporates a 4Ah high-grade NiMH battery pack coupled with two 1.8watt solar modules of exceptionally high efficiency. The shape of the lens, and the complexity of the tooling and molding technique highlight the depth of knowledge and experience of staff. The design, based on computer-modeling data, successfully allows the lens to capture optimum levels of low sunlight, by tilting the solar modules towards the sun. Both the lens and base are made from UV stabilized polycarbonate to provide excellent impact-resistance. The lantern is completely sealed and vented to alleviate pressure build-up through air exchange, without moisture ingress.

The lantern can be easily set on-site to any of over 250 IALA recommended flash characters, and any of 4 intensity settings. For easy storage and shipping, the lantern can be deactivated via an ‘on/off’ toggle switch. The base of the lantern incorporates a unique sealed battery compartment, allowing the user to easily replace the battery after years of service.

Once installed, operation of the OkSL70 requires no operator intervention. During daylight hours the dual solar modules will charge the battery, and the lantern will automatically begin operation at dusk – once the ambient light threshold drops sufficiently. Coupled with LED technology, and a highly efficient DC/DC converter, the lantern may provide over 25 days of continuous operation without sunlight.

OkSL125-GPS Synchronized Lantern  The OkSL125-GPS is a 5 - 6 nautical mile LED lantern that provides the user with the ability to mark a channel, port or river with independent operating beacons that all flash in synchronization. This improves the effectiveness of marker lights by highlighting the channel, port or river outline each time the synchronized lights turn on.

For a Visual demonstration of the effectiveness of the synchronization lighting of the lanterns to increase their visibility against background lights Click Here!

With advances in electronics, Sealite has been able to produce a light that incorporates a Global Positioning System (GPS) receiver. No additional power supplies, aerials or control systems are required. The OkSL125-GPS is a microprocessor-based system that has been designed to provide maximum reliability and performance of the beacon over a wide range of environmental conditions.

The advanced circuitry of the lantern is protected from the marine environment through the bonding of the lens to the polycarbonate base, which is colored to allow for easy identification. The base includes a membrane pressure-vent to release any internal pressure build-up resulting from the changes in environmental temperature, without moisture ingress. The lantern also utilizes Sealite’s LED Reflector (U.S. Pat. No. 6,667,582) to increase intensity and provide an even 360° horizontal beam.

Each light operates independently and requires no operator intervention. At dusk the light sensor will turn the light on. Synchronization is achieved using an internal algorithm based on the highly accurate time base and time data received from the satellites. The satellite data is provided from a number of earth stations using atomic clocks as the time base. If time data is available the light will come on synchronized to every other light with the same selected flash code.

OkSL-300 and OkSL-400 Self-Contained Lights Released

Sealite is pleased to announce the release of the new OkSL-300 & OkSL-400 range of self-contained lights. Designed to comply with requirements for 3nm and 4nm visibility ranges, the SLC models are a compact unitised design ready for immediate installation, and will provide years of maintenance-free service. Four premium-grade glass-front solar modules are embedded in the rotationally molded housing, and provide excellent impact, vandal and theft resistance.
 
Full product details and downloads are available through the online catalogue. For purchase information please contact Sealite or any of the Authorized Sealite Distributors as listed on this website.

High visibility IALA colors

OkSL-400 4nm Solar LED Light

The OkSL-400 is a self-contained 4nm Solar LED marine light designed for immediate installation and low-maintenance where greater visibility is required.

The lantern has 4 premium grade solar modules (20watt total) imbedded in a rotationally molded housing - providing high visibility IALA colors, excellent sunlight collection and vandal resistance. The light may be set to any of 256 IALA recommended flash rates, which are adjustable on-site without the need for external devices. In addition, and the light features the Sealite LED Reflector (U.S. Pat. No. 6,667,582) which increases the intensity and uniformity of the horizontal output.

Sealite's larger 140mm polycarbonate lens is specifically designed for use with LEDs, and incorporates an environment-friendly spike - deterring unwelcome bird life.

The OkSL-400 can be easily installed in minutes, and requires no further operator intervention.

OkSLB-600 Light Buoy Assembly

The OkSLB-600 assembly is a complete short-range buoy-lantern combination ready for immediate installation. Typical applications include day and night channel, speed zone and restricted area marking.

The assembly includes the popular OkSL15 1 mile compact lantern, which is delivered factory-set to your choice of 16 available flash codes (as specified in the OkSL15 PDF document). The lantern is completely sealed, and uses four LEDs as a light source.

The OkSLB-600 is extremely long-lasting, and is molded in strong, durable U.V. stabilized polyethylene. The base of the buoy is sand-filled, and the top section is polyurethane foam filled, providing excellent buoyancy and stability. A large mooring chain attachment point accommodates a 16mm shackle or 12mm silver rope.

The complete assembly is only 19kg (41.8lb) and is exceptional value for money. The unit is available in standard high visibility Yellow, Green, Red and White. The listed freight charge includes airfreight to your nominated air-cargo terminal in most destinations in the United States or Canada. Please contact Sealite for volume orders, so we can determine the most economical means of shipping.

OkSLB-700 Marker Buoys :

Sealite is pleased to announce the release of the SLB700 Marker Buoy.

The OkSLB700 is a larger version of the popular OkSLB600, with twice the buoyancy, and a unique cross-linked stainless mooring and lifting eye for increased mooring strength. The buoy has provision to accommodate the OkSL15, OkSL60 & OkOkSL70 lights, providing a complete solution for signage and hazard marking. It can be moored in up to 35 meters of water.

OkPOSEIDON 1750

The OkPOSEIDON 1750 Buoy is manufactured from UV stabilized polyethylene, has been specifically designed to withstand the harsh marine environment, and boasts a huge 23mm wall thickness - making it one of the toughest polyethylene buoys on the market. The buoy has a 2.5 meter focal height (up to 3 meters with extension), and a 1.75 meter diameter.

The OkPOSEIDON 1750 is a lightweight, low-maintenance, cost-effective approach to traditional floating aids. The buoy consists of 3 parts; the flotation section, the mid-section and a navaid (top) section. This enables the individual coloring of each section during the molding process to meet IALA recommendations for specific installations, and cost-effective transportation. The top section incorporates the solar modules, batteries, LED beacon and insertion fittings to accommodate top marks and accessories. This section is fitted with up to 60watt solar modules, charging up to 140Ah batteries. A watertight 316-grade stainless steel battery access door protects the internal components and connections of the unit. The Sealite OkSL125 LED lantern is readily fitted to the top of the buoy, and a 316-grade stainless steel grab rail is fitted below the top section - allowing for easy maintenance.

The flotation section contains internal stainless steel cross-braces, linking both sets of lifting and mooring eyes. This ensures mooring and lifting stresses are evenly shared across the structure. After ballast is added, the bottom section is filled with expandable styrene beads. These are then steamed to form a solid styrene mass for maximum flotation and durability. The standing platform on the surface of the flotation section is molded with an anti-slip pattern, and conforms to CSIRO specifications.

To service worldwide demand, has selected a multi-national company for the rotational molding of th