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  • Waterproof LDR Photoresistor Light Dependent Resistor light sensor
  • Waterproof LDR Photoresistor Light Dependent Resistor light sensor
  • Waterproof LDR Photoresistor Light Dependent Resistor light sensor
  • Waterproof LDR Photoresistor Light Dependent Resistor light sensor
  • Waterproof LDR Photoresistor Light Dependent Resistor light sensor
  • Waterproof LDR Photoresistor Light Dependent Resistor light sensor
Waterproof LDR Photoresistor Light Dependent Resistor light sensor

Waterproof LDR Photoresistor Light Dependent Resistor light sensor

$1.80-$2.50/ Piece|500 Piece/Pieces(Min. Order)
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Waterproof LDR Photoresistor Light Dependent Resistor light sensor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Light Sensitivity & Detection: A waterproof LDR (Light Dependent Resistor) designed to detect changes in light intensity and control LED-based systems, enabling applications like automatic lighting and environmental monitoring.
  • Precision Resistance Tolerance: Offers resistance tolerance options of ±1%, ±2%, or ±5% to cater to varying precision requirements in circuit design.

Key features

  • 1. Corrosion-Resistant Metallic Housing & Epoxy Coating

    • Material Technology: With a corrosion-resistant metallic housing and epoxy coating, ensure durability in harsh environments and waterproof operation.

  • 2. Straight Leads & Compact Design for Easy Integration

    • Interactive Design: With straight, equal-length leads and a compact form factor, integrate seamlessly into LED circuits for rapid prototyping and installation.

  • 3. Ultra-Precise Resistance Tolerance for Accuracy

    • Performance Parameters: With ±1% precision tolerance, achieve highly accurate light sensitivity readings for critical applications.

  • 4. Versatile for Analog/Digital LED Systems

    • Scenario Solutions: Suitable for both analog and digital LED setups, adapt to diverse applications like automatic lighting or environmental monitoring.

  • 5. Industrial-Grade Material Compliance

    • Certification Standards: Constructed with epoxy and corrosion-resistant materials, meeting industrial durability standards for long-term reliability.

Product details

Waterproof LDR Photoresistor Light Dependent Resistor light sensor

The Waterproof LDR Photoresistor is a robust light-dependent resistor designed for precision light detection in LED applications. Its epoxy-coated metallic housing ensures durability and waterproof performance, while customizable resistance tolerances cater to diverse technical requirements.

Technical specifications

FeatureSpecificationApplication Scenario
Housing MaterialMetallic with epoxy coatingOutdoor lighting systems, automotive sensors
Resistance Tolerance±1%, ±2%, ±5% optionsPrecision LED dimming circuits, industrial automation
Light SensitivityAdjustable via photosensitive coreSmart home lighting controls, security sensors
Waterproof RatingIP67 (standard)Marine electronics, weatherproof devices

Customization guide

Adjustable resistance tolerance (±1% to ±5%) to meet precision needs. Epoxy coating thickness can be modified for enhanced waterproofing in extreme environments.

Get inspired

With its waterproof epoxy housing and precise resistance options, this LDR enables seamless integration into smart LED systems. Ideal for creating adaptive lighting solutions or environmental monitoring devices that require reliable light detection in harsh conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Resistance Tolerance±5%±2%±1%
Waterproof RatingIP65IP67IP68
Response Time50ms25ms (+50%)10ms (+100%)

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s ±1% tolerance enables ultra-precise LED dimming in high-end automotive lighting.
    • The Advanced Model’s IP67 rating allows safe deployment in outdoor smart gardens or industrial sensors exposed to rain.
    • The Base Model’s 50ms response time is optimized for cost-sensitive applications like basic security systems.

  2. Version Selection Guide:

    • Pro Model: Engineers requiring sub-10ms response in real-time systems (e.g., robotics, medical devices).
    • Advanced Model: Ideal for mid-tier industrial IoT projects needing IP67 durability.
    • Base Model: Best for hobbyists or low-budget LED projects prioritizing cost efficiency.

With the Pro Model’s triple-certified chemical resistance, you can ensure safe operation in corrosive environments—paired with its ultra-low tolerance, this creates unmatched reliability for aerospace instrumentation.

Frequently asked questions

  • Which LDR model is best suited for LED lighting projects requiring precise light detection?

  • How do I clean and maintain the waterproof LDR to ensure longevity?

  • Epoxy vs Metal Housing: Which is better for outdoor light sensors?

  • Can I choose a specific resistance tolerance (e.g., ±1%) for my LDR order?

  • Is the ±1% resistance tolerance guaranteed for precise measurements?

  • What applications benefit most from the waterproof feature of this LDR?

  • How does the epoxy coating enhance durability compared to standard LDRs?

  • Does this LDR support integration with digital circuits for LED control?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Resistance TolerancePrecision LED dimming systems±1% tolerance (IEC 60063)▲▲▲
±2% tolerance▲
Industry: ±5%		Advanced: Ultra-precise control for high-end LED setups
Base: Cost-effective for general lighting		Advanced: 20% higher cost vs Base
Industry: ±5% lacks precision for critical applications
Housing MaterialIndustrial automation, outdoor lightingEpoxy resin encapsulation (ASTM D2000 CA-1)▲▲▲
Industry: Plastic		Corrosion-resistant for harsh environments
Enhanced durability vs plastic		Slightly heavier than plastic housing
Higher material cost
Waterproof RatingOutdoor sensors, smart irrigation systemsIP67 rated (immersion up to 1m for 30min)▲▲▲
Industry: No standard		Deployable in wet/damp environments
Outperforms non-waterproof rivals		Limited to IP67 vs IP68 in premium sensors
Sealing adds bulk
Light SensitivitySecurity systems, ambient lighting1,000Ω/lux▲▲▲
Base: 1,500Ω/lux▲
Industry: 2,000Ω/lux		Advanced: 50% faster response to light changes
Optimized for motion detection		Higher sensitivity requires shielding in bright environments
Operating TemperatureAutomotive electronics, cold storage-40°C to 85°C▲▲▲
Base: -20°C to 70°C
Industry: -10°C to 60°C		Functions in extreme climates (e.g., Arctic sensors)
Outperforms industry by 30°C range		Advanced: Requires thermal testing for extreme use cases
Power ConsumptionBattery-powered IoT devices2.5mA▲▲▲
Base: 5mA▲
Industry: 10mA		75% lower power draw than industry standard
Extends battery life in wearables		Advanced: Requires low-voltage circuit design compatibility

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