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  • NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor
  • NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor
  • NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor
  • NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor
  • NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor
  • NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor
NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor

NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor

$0.50-$1.50/ Piece|1000 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Defrost Cycle Regulation: Monitors and maintains optimal temperatures during refrigerator defrost cycles to prevent ice buildup while ensuring energy efficiency.
  • Resistive Temperature Measurement: Utilizes NTC (Negative Temperature Coefficient) technology to provide precise real-time temperature readings via resistance-based sensing.

Key features

  • 1. Material Technology

    • With NTC resistive sensing technology, you can achieve precise temperature measurement for reliable defrost cycle control. Unlike traditional thermocouple sensors, this design ensures stability across a wide temperature range*.

  • 2. Performance Parameters

    • With resistance options spanning 2kΩ to 10kΩ, you can select the ideal sensor for refrigerators of varying cooling capacities, ensuring optimal defrost efficiency compared to fixed-resistance sensors*.

  • 3. Scenario Solutions

    • With optimized defrost cycle management, you can prevent ice buildup and maintain consistent cooling performance in commercial or household refrigerators, outperforming basic sensors in high-demand environments*.

  • 4. Certification Standards

    • With RoHS, EMC, and CE certifications, you can ensure compliance with global safety and environmental regulations, unlike uncertified alternatives that may pose risks*.

  • 5. Interactive Design

    • With an analog output interface, you can integrate seamlessly into existing refrigerator systems without complex digital setup, offering simplicity over modern digital sensors*.

Product details

NTC defrost sensor refrigerator 2k 4k 5k 8k 10k resistance Temperature Sensor

The NTC defrost sensor refrigerator temperature sensor is designed to optimize defrost cycles in commercial and residential refrigeration systems. Built with resistive technology and available in 2k, 4k, 5k, 8k, and 10k resistance variants, it ensures precise temperature monitoring for efficient energy use and equipment longevity.

Technical specifications

FeatureSpecificationBenefit
Resistance Range2kΩ, 4kΩ, 5kΩ, 8kΩ, 10kΩCustomizable to match specific defrost requirements
CertificationsRoHS, EMC, CEEnsures compliance with global safety and environmental standards
CommunicationAnalog interfaceDirect integration with standard control systems
TechnologyResistive (NTC thermistor)High sensitivity and stability for accurate temperature readings
Operating Temp-40°C to +125°CReliable performance in extreme refrigeration environments

Customization guide

Adjustable resistance values (2k–10kΩ) allow tailoring to specific defrost cycle parameters. For example, a 10kΩ sensor suits ultra-low-temperature freezers, while 2kΩ variants are ideal for high-heat defrost applications.

Get inspired

Optimize your refrigeration system’s efficiency with precise defrost timing. Whether managing a commercial freezer or a residential fridge, the right resistance variant ensures minimal energy waste and prolonged equipment life.

Choose your model

ParameterBase Model (2kΩ)Advanced Model (5kΩ)Pro Model (10kΩ)
Resistance2kΩ5kΩ10kΩ
Accuracy±1.5°C±0.8°C*±0.5°C*
Temp Range-20°C to +85°C-40°C to +100°C-40°C to +125°C

Supplier's note

  1. Technical Breakthroughs:

    • Precision Resistive Tech: The NTC thermistor ensures ±0.5°C accuracy in the Pro model, 30% better than industry standards.
    • Wider Operating Range: The Pro model’s -40°C to +125°C capability supports extreme industrial applications.
    • Multi-Certification Compliance: RoHS/CE/EMC certifications simplify global deployment in regulated environments.

  2. Version Selection Guide:

    • Base Model (2kΩ): Ideal for standard residential refrigerators with moderate defrost needs.
    • Advanced Model (5kΩ): Suitable for commercial freezers requiring mid-range accuracy (-40°C to +100°C).
    • Pro Model (10kΩ): Best for industrial ultra-low-temperature systems, offering the highest precision and durability.

With the Pro model’s ±0.5°C accuracy, you can maintain critical storage temperatures for pharmaceuticals or lab equipment. Pair its wide range with analog compatibility to ensure seamless integration into legacy systems.

Frequently asked questions

  • Which NTC defrost sensor resistance (2k, 4k, 5k, 8k, or 10k) is best suited for my refrigerator model?

  • How do I ensure proper calibration of an NTC defrost sensor in a commercial refrigerator?

  • What certifications does the NTC defrost sensor meet for safety and compliance?

  • Can I customize the resistance value of the NTC defrost sensor for specialized applications?

  • How does resistive technology in NTC sensors improve defrost performance compared to thermocouples?

  • Are these sensors compatible with both residential and commercial refrigeration systems?

  • What maintenance steps are required to prolong the lifespan of an NTC defrost sensor?

  • How does the NTC defrost sensor prevent overcooling in refrigerator systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Resistance ClassIndustrial freezers, commercial refrigerationIndustry Standard: 5kΩ @25°C (IEC 60751)
Our Base: 2k–5kΩ @25°C (IEC 60751)
Our Advanced: 8k–10kΩ @25°C (IEC 60751)		▲ Cost-effective for standard defrost cycles (Base)
▲▲ Precision for ultra-low-temperature systems (Advanced)		Base: Limited range for extreme temps
Advanced: Higher cost
AccuracyMedical cold storage, lab equipmentIndustry Standard: ±1.0°C (ASTM E1)
Our Base: ±0.5°C (ASTM E1)
Our Advanced: ±0.3°C (ASTM E1)		▲ Doubles accuracy for critical applications (Base)
▲▲ Meets ISO 9001 precision standards (Advanced)		Base: Requires frequent calibration
Advanced: Complex integration
Operating Temp RangeArctic warehouses, deep-freeze systemsIndustry Standard: -20°C to +80°C (MIL-STD-883)
Our Base: -30°C to +85°C (MIL-STD-883)
Our Advanced: -40°C to +125°C (MIL-STD-883)		▲▲ Operates in extreme Arctic conditions (Advanced)Base: Not suitable for cryogenic storage
Response TimeQuick-defrost commercial freezersIndustry Standard: 5 sec (IEC 60751)
Our Base: 3 sec (IEC 60751)
Our Advanced: 2 sec (IEC 60751)		▲▲ 60% faster response for energy-efficient defrost cycles (Advanced)Base: Slower recovery in high-traffic settings
CertificationsEU/US-regulated food storageIndustry Standard: RoHS, CE
Our Base: RoHS, CE, EMC
Our Advanced: RoHS, CE, ATEX, ISO 13485		▲▲ Advanced meets hazardous zone (ATEX) and medical (ISO 13485) complianceBase: Lacks ATEX for explosive environments
Communication InterfaceIoT-enabled smart refrigerationIndustry Standard: Analog (IEC 61131-2)
Our Base: Analog + optional digital (IEC 61131-2)
Our Advanced: Dual analog/digital (IEC 61131-2)		▲▲ Advanced integrates seamlessly with smart systems (dual interface)Base: Requires adapters for digital systems

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