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Underwater Searchlight

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1. Информация о чертежах

Размеры в мм (1 мм = 0,03937 дюйма)
Резьба в дюймах (1 дюйм = 25,4 мм)

2. Male View

3. Основные параметры

МодельOverall Dimension:
A*B*C
Weight
( g )
Watertight
Base
Working
Давление
( MPa )
LED
Power
Max
Luminance
( Lm )
Beam
Angle
Irradiation
Distance
Color
Температура
Working
Текущий
Working
Напряжение
PWM
Dimming
SFCXDL-76H1M-30W76* φ 36* φ 33134130W300087°3m6000-6500K1~2.1A12-24VDCFrequency:
600-
700Hz
Duty Cycle:
10-100%
SFDL-76H3M-30W76* φ 36* φ 32144MCBH3M/
Bulkhead
Penetrator
330W300087°3m1~2.1A12-24VDC
SFDL-76H20M-30W76* φ 36* φ 321552030W300087°3m1~2.1A12-24VDC
SFDL-76H30M-30W76* φ 36* φ 331603030W300087°3m1~2.1A12-24VDC
SFDL-84H5M-30W84* φ 42* φ 38233530W300087°3m1~2.1A12-24VDC
SFDL-84H10M-30W84* φ 48* φ 443241030W300087°3m1~2.1A12-24VDC
SFDG-88H60M-30W88* φ 43* φ 376516030W300087°3m1.4~2A12-24VDC
SFDG-95H40M-30W95* φ 46* φ 427874030W300087°3m1~2.1A12-24VDC
SFDG-115H10M-50W115* φ 65* φ 5713861050W13000118.5°5m2~3A12-24VDC
SFDG-125H5M-100W125* φ 75* φ 6716505100W13000118.5°5m2~3A36VDC

4. Product Description

Underwater Searchlight Series

Product Overview & Series Introduction

Сайт Underwater Searchlight Series by HYSF Subsea (Xiamen Chuida Technology Co., Ltd.) serves as the critical visual foundation for deep-sea visual operations, specially engineered to adapt to pitch-black, high-pressure subsea environments. As a nationally accredited high-tech enterprise driven by independent technical R&D[cite: 1], HYSF has broke long-standing international monopolies to deliver premium, high-reliability underwater lighting systems that ensure a stable visual guarantee for critical maritime deployments[cite: 1].

Every searchlight in this product line features a high-brightness LED light source combined with professional light distribution technology to deliver wide-range, high-illumination lighting effects under water[cite: 1]. To survive sustained exposure in deep-sea corrosive and high-pressure conditions, the equipment shells are precision-machined from corrosion-resistant, high-strength metal materials such as aluminum alloy or 316L stainless steel[cite: 1]. Equipped with optimized heat dissipation architectures and integrated overload protection functions, these searchlights support long-term continuous operation[cite: 1]. They are integrated with specialized subsea wet-mateable connector interfaces (such as the MCBH3M bulkhead penetrator) or heavy-duty cable glands to maintain perfect hydrostatic sealing[cite: 1].

Core Product Models & Technical Specifications

Our standardized searchlight portfolio provides optimized structural layouts to balance weight, operational depths, and light output requirements across various subsea tasks[cite: 1]:

  • SFCXDL-76H1M-30W: Outfitted with a standard cable gland (interface type “CX”), rated for shallow-water tasks up to 1MPa working pressure[cite: 1]. Delivers a 30W LED power output producing 3000 lm max luminance over a 3-meter irradiation distance with an 87° beam angle[cite: 1]. Weighs just 131g[cite: 1].
  • SFDL-76H3M-30W & SFDL-76H20M-30W: Standardized compact aluminum alloy housings measuring 76mm in height[cite: 1]. Rated for 3MPa and 20MPa hydrostatic working pressures respectively, generating 3000 lm max luminance at 30W[cite: 1].
  • SFDL-76H30M-30W: A high-pressure variant rated for up to 30MPa working pressure, maintaining a low contact weight of 160g while pumping out 3000 lm max illumination[cite: 1].
  • SFDL-84H5M-30W & SFDL-84H10M-30W: Larger profile 84mm height aluminum or 316L structures rated for up to 5MPa and 10MPa, utilizing an integrated MCBH3M subsea bulkhead penetrator for stable power input loops[cite: 1].
  • SFDG-84H60M-30W & SFDG-95H40M-30W: Heavy-duty industrial variants utilizing thick-walled 316L stainless steel housings (designated by “G”)[cite: 1]. These systems survive extreme pressures rated up to 60MPa (6,000 meters operational depth) and 40MPa respectively, making them the premier choice for deep-sea work-class platforms[cite: 1].
  • SFDG-115H10M-50W & SFDG-125H5M-100W: High-power, wide-angle deep-water searchlights generating up to 13,000 lm max luminance[cite: 1]. Featuring broader 118.5° beam angles and a 5-meter structural irradiation distance, these systems operate under 12-24VDC or 36VDC working voltages to provide massive lighting footprints[cite: 1].

Key Technical Parameter Envelope

  • Luminous Parameters: Emits a stable color temperature of 6000K–6500K with professional beam distributions maximizing output thresholds at 3000 lm or 13000 lm[cite: 1].
  • Pulse-Width Modulation (PWM) Dimming: Fully compatible with remote micro-controller loops supporting a dimming frequency of 600Hz–700Hz across a complete 10%–100% duty cycle envelope[cite: 1].
  • Hydrostatic Rating Thresholds: Variable deployment pressure configurations fully rated across 1MPa, 3MPa, 5MPa, 10MPa, 20MPa, 30MPa, 40MPa, and deep-sea 60MPa thresholds[cite: 1].
  • Electrical Working Inputs: Designed for cross-platform integration, supporting a steady operational current range from 1A up to 3A under safe working operational voltages of 12-24VDC or 36VDC[cite: 1].

Industrial Applications & Working Conditions

Сайт HYSF Underwater Searchlight Series is intentionally designed to perform under severe industrial vibrations, deep-water hydrostatic loads, high-salinity corrosive salt sprays, and intense underwater working conditions[cite: 1]. Critical application deployment sectors include:

1. Work-Class ROVs & Subsea Robotic Systems

Deployed as the primary optical light source array for Remotely Operated Vehicles (ROVs) and Autonomous Underwater Vehicles (AUVs)[cite: 1]. These lights illuminate targeted workspaces for mechanical manipulator arms during deep-water inspection, resource extraction, and structural salvage tasks[cite: 1].

2. Marine Scientific Research & Oceanographic Discovery

Serves major marine research institutes, the Chinese Academy of Sciences (CAS), and universities during deep-sea biological observations, seabed resource exploration, and ecological documentation[cite: 1]. The stable 6500K daylight-balanced illumination ensures color-accurate video recording in pitch-black oceanic layers[cite: 1].

3. Underwater Search, Rescue, & Salvage Operations

Provides critical high-illumination visibility for salvage vessels, dive teams, and civil defense agencies conducting maritime emergency rescue and recovery tasks[cite: 1]. The robust thermal management allows for continuous high-power operation without the risk of safety shutoffs during critical rescue windows[cite: 1].

4. Offshore Energy Networks & Aquaculture Facilities

Extensively utilized to monitor offshore wind farm sub-stations, submarine cabling paths, offshore oil drilling manifolds, and modern marine ranching infrastructure[cite: 1]. Built with high-grade metal metallurgy and specialized watertight joints, the housings counter biological biofouling and intense wave impact forces across multi-year maritime immersion cycles[cite: 1].

Часто задаваемые вопросы (FAQ)

Q1: What do the different letter codes mean in the HYSF searchlight part numbers?

A: Our ordering codes follow a highly structured engineering sequence to help you select the right configuration[cite: 1]: “SF” designates the Ocean Sail brand[cite: 1]; “DL” indicates an aluminum alloy housing, while “DG” specifies a heavy-duty 316L stainless steel shell[cite: 1]; “CX” represents a continuous cable gland interface, whereas a blank field represents an integrated wet-mateable subsea connector interface (such as our MCBH3M penetrator)[cite: 1]; the middle digits (e.g., 76H, 84H) detail the physical housing height in millimeters, followed by the target working pressure rating in MPa, and the final suffix indicates the LED power rating (30W, 50W, or 100W)[cite: 1].

Q2: Can these underwater searchlights be dimmed remotely during operation?

A: Yes, absolutely[cite: 1]. Except for standard non-dimming baselines, our premium models support full remote Pulse-Width Modulation (PWM) digital dimming controls[cite: 1]. The system operates smoothly at a high frequency of 600Hz–700Hz and allows linear output adjustments over a 10%–100% duty cycle[cite: 1], letting ROV pilots adjust localized lighting levels to eliminate backscatter or glare in high-turbidity waters.

Q3: What rigorous quality assurance testing do these searchlights undergo prior to delivery?

A: Product durability under high pressure is our core foundation, ensuring a proven 99.98% reliability rate across high-end naval and scientific equipment[cite: 1]. Every single batch undergoes standardized factory verification through our comprehensive testing system[cite: 1]:

  • Hydrostatic Pressure Verification: Placed inside our specialized 100MPa high-pressure pump system, maintaining the target pressure matrix for 60 continuous minutes to guarantee zero structure leakage, zero deformation, and zero moisture ingress[cite: 1].
  • Environmental & Corrosion Testing: Batch-tested inside environmental salt spray machines and ultraviolet (UV) aging equipment to truly reproduce extreme temperature, humidity, and salt corrosion profiles common to open ocean splash zones[cite: 1].
  • Electrical & Optical Checks: Evaluated using high-voltage insulation testers and 5.5-digit multimeters to verify dielectric resistance, alongside single-mode/multi-mode testers to ensure stable power routing without thermal runaway[cite: 1].

Q4: Which housing material option should I select—Aluminum Alloy or 316L Stainless Steel?

A: It depends heavily on your depth requirements and spatial weight constraints[cite: 1]. Our Алюминиевый сплав shells (“DL” series) are highly compact and lightweight, making them perfect for portable inspection gear, small observation-class ROVs, or shallow diving equipment[cite: 1]. For deep-sea exploration (down to 4,000 or 6,000 meters), offshore oil rigs, or subsea drilling manifolds where mechanical impact and intense long-term corrosion occur, our heavy-duty Нержавеющая сталь 316L shells (“DG” series) provide the extreme structural defense required[cite: 1].

Q5: What corporate quality architectures guarantee the manufacturing of HYSF subsea products?

A: HYSF operates as a certified high-tech Technology Enterprise holding over ten core utility model patents and dozens of registered trademarks[cite: 1]. Our state-of-the-art precision manufacturing facilities are fully certified and audited under the ISO 9001 Quality Management System[cite: 1]. Furthermore, our internal testing, traceable calibration data, and production records adhere directly to the strict GJB 9001C-2017 National Quality Standard, delivering mission-critical reliability to defense contractors, major shipyards, national research institutes, and the Chinese Academy of Sciences (CAS)[cite: 1].

Связаться с

Джейсон Лю

Главный технический специалист

HYSF Subsea

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