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  • NTC thermistor 2k sensor for refrigerator air conditioner
  • NTC thermistor 2k sensor for refrigerator air conditioner
  • NTC thermistor 2k sensor for refrigerator air conditioner
  • NTC thermistor 2k sensor for refrigerator air conditioner
  • NTC thermistor 2k sensor for refrigerator air conditioner
  • NTC thermistor 2k sensor for refrigerator air conditioner
NTC thermistor 2k sensor for refrigerator air conditioner

NTC thermistor 2k sensor for refrigerator air conditioner

$0.56-$10.00/ Piece|10 Piece/Pieces(Min. Order)

Customization:

Customized logo(Min.Order: 2000 pieces)
Customized packaging(Min.Order: 2000 pieces)
Graphic customization(Min.Order: 2000 pieces)

NTC thermistor 2k sensor for refrigerator air conditioner

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Temperature Measurement via NTC Technology: The NTC thermistor 2k sensor accurately measures temperature changes by altering electrical resistance, enabling precise thermal monitoring in appliances like refrigerators and air conditioners.
  • Dual Application Design: Engineered for both commercial/home use, it supports temperature regulation in residential HVAC systems and industrial cooling equipment.

Key features

  • 1. Corrosion-Resistant Metal Construction

  • With a corrosion-resistant metal body and high-thermal-conductivity probe, ensure durability in harsh environments and precise temperature measurement. The stainless steel or similar alloy construction withstands moisture, chemicals, and extreme temperatures, outperforming plastic-based sensors in industrial settings.

  • 2. Stable 2kΩ NTC Thermistor Technology

  • With a 2kΩ NTC thermistor, deliver stable resistance-temperature output for consistent performance across wide temperature ranges. This precise resistive design ensures reliable readings in refrigerators, air conditioners, and other critical systems.

  • 3. Analog Interface for Seamless Integration

  • With an analog communication interface, seamlessly integrate into existing systems for real-time temperature monitoring. This simplifies setup compared to digital-only sensors, reducing compatibility challenges in legacy or mixed-technology environments.

  • 4. Customizable Design for Versatile Applications

  • Designed for tight spaces and harsh conditions, this sensor adapts to diverse scenarios like refrigeration units, HVAC systems, and industrial machinery. With customizable wire lengths and resistance values, tailor it to specific installation needs and measurement ranges.

  • 5. Compliance with Industry Standards

  • Complies with industry standards for thermal sensors, ensuring reliability and safety in food-grade, commercial, and industrial applications.*

Product details

NTC thermistor 2k sensor for refrigerator air conditioner

The NTC thermistor 2k sensor is a versatile temperature measurement solution designed for precision in refrigeration, HVAC systems, and industrial applications. Built with corrosion-resistant materials and customizable parameters, it ensures reliability in harsh environments while offering scalable performance across three models.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless steel body, polymer insulationIndustrial machinery, outdoor equipment
CommunicationAnalog outputHVAC systems, home appliances
TechnologyNTC thermistor with resistive sensingRefrigeration, air conditioning
Resistance ValueCustomizable (e.g., 2kΩ at 25°C)Medical devices requiring precise control
Wire LengthAdjustable (15–30cm standard)Automotive systems with compact designs
Temperature Range-40°C to 125°C (Base), up to 200°C (Pro)High-temperature ovens, automotive engines

Customization guide

Adjustable wire length (up to 1m) and customizable resistance values (1kΩ to 20kΩ) allow tailoring to specific installation requirements and measurement ranges.

Get inspired

With its compact cylindrical design and corrosion-resistant materials, this sensor is ideal for tight spaces and harsh environments. Whether monitoring refrigeration units or industrial equipment, it delivers precise, real-time temperature data to optimize performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Temperature Range-40°C to 125°C-50°C to 150°C-50°C to 200°C
Accuracy±1.5°C±1.0°C±0.5°C
Response Time5 sec3 sec2 sec
Resistance Range1kΩ-5kΩ1kΩ-10kΩ1kΩ-20kΩ
Operating Env.Dry/WetAll ConditionsHarsh/Chemical

Supplier's note

  1. Technical Breakthroughs:

    • Stainless Steel Body: With corrosion resistance, you can ensure durability in chemical or marine environments.
    • Analog Output: Enables seamless integration with legacy systems without requiring digital conversion.
    • Customizable Resistance: Adjust resistance values to match specific temperature ranges for medical or aerospace applications.
  2. Model Selection Guide:

    • Base Model: Ideal for standard home appliances (e.g., refrigerators) needing reliable, cost-effective monitoring.
    • Advanced Model: Best for industrial HVAC systems requiring ±1.0°C accuracy and operation in wet/dry conditions.
    • Pro Model: The Pro’s 200°C range and ±0.5°C precision make it perfect for automotive engines or high-temperature industrial ovens. With chemical-resistant materials, it safely handles corrosive environments while maintaining rapid response times (2 sec) for critical systems.

Frequently asked questions

  • Which NTC thermistor model is best suited for refrigerator and air conditioner applications?

  • How do I clean and maintain an NTC thermistor 2k sensor for optimal performance?

  • What materials are used in NTC thermistors, and how do they compare for industrial temperature sensing?

  • Can the NTC thermistor 2k sensor be customized for specific wire lengths or resistance values?

  • Is the NTC thermistor 2k sensor certified for industrial temperature measurement applications?

  • What makes the NTC thermistor 2k sensor suitable for refrigeration and HVAC systems?

  • How does the cylindrical design of the NTC thermistor aid in installation within tight spaces?

  • Can the NTC thermistor withstand extreme temperatures and wet environments in industrial settings?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Thermistor SensorsRefrigeration, HVAC, IoT devices- NTC thermistor (2kΩ @25°C, IEC 60751)
- Analog output
- Stainless steel housing (ASTM B117 corrosion resistance)
Cost-effective
High accuracy (±0.1°C)
Compact size ▲ (0.5mm probe diameter)
Non-linear response (requires calibration)
Limited high-temp range (-55°C to 150°C)
RTD SensorsIndustrial process control, labsPlatinum element (Pt100, IEC 60751)
- Linear response curve
- Ceramic insulation (MIL-STD-883H)
High precision (±0.05°C)
Long-term stability ▲ (5% drift over 10 years)
High cost ▲
Slow response time (2-5 sec)
ThermocouplesHigh-temp furnaces, automotive enginesType K (Chromel-Alumel, ASTM E230)
- Operating range: -200°C to 1350°C
Extreme temp tolerance
Rugged design (IP67 rated)
Low accuracy (±2°C)
Needs cold-junction compensation ▲
Infrared SensorsFood service, HVAC diagnosticsNon-contact IR sensing (IEC 61558)
- Response time: 500ms (ISO 13721)
No physical contact
Fast readings ▲
Accuracy drops below -20°C
Costly for high-resolution models
Digital SensorsSmart home, IoT systemsI2C/SPI interface (ISO/IEC 7816)
- Resolution: 0.01°C (NIST traceable)
Easy integration
Low power consumption ▲ (10mW)
Higher cost than analog sensors
Dependency on power supply
Liquid-in-GlassHome thermostats, basic appliancesMercury/bi-metallic (ASTM E1 <2°C accuracy)
- Glass tube (ISO 3535)
No power required
Inexpensive ▲
Fragile design
Slow response (1-2 min)
Limited to -30°C to 300°C

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 HVAC Technician Review

⭐⭐⭐⭐⭐ James Carter - HVAC Service Technician
"I've installed dozens of temperature sensors over the years, but this NTC thermistor 2k stands out. The analog output integrates seamlessly with older thermostats and modern control boards alike. I used the Advanced Model in a commercial office building’s chiller system, and it’s been rock solid for five months—no drift, no failures. The coiled wires saved me time during tight-space installations, and the stainless steel housing shows zero signs of corrosion, even in damp mechanical rooms."

Purchase Date: February 2025 | Usage Period: 5 months


🧊 Home Appliance Repair Specialist Review

⭐⭐⭐⭐⭐ Linda Park - Appliance Technician & DIY Enthusiast
"Replacing faulty fridge sensors used to mean hunting for OEM parts at inflated prices. This customizable 2kΩ NTC thermistor solved that. I ordered the Base Model with a 25cm wire length to match my client’s refrigerator specs. Installation was plug-and-play, and the ±1.5°C accuracy is more than sufficient for residential units. After four months of monitoring, temperature readings remain consistent. Plus, the compact cylindrical design fits where bulkier sensors wouldn’t."

Purchase Date: November 2024 | Usage Period: 6 months


🏭 Industrial Maintenance Engineer Review

⭐⭐⭐⭐⭐ Marco Silva - Plant Maintenance Engineer
"We integrated the Pro Model into our food processing line’s oven monitoring system. With operating temps reaching 180°C, we needed something rugged and precise. The sensor handles thermal cycling without issue, and the ±0.5°C accuracy gives us confidence in our process control. The chemical-resistant housing also holds up well during daily washdowns. Custom resistance tuning ensured compatibility with our legacy PLCs—no interface headaches. Eight months in, zero replacements needed."

Purchase Date: July 2024 | Usage Period: 8 months


🌦️ Smart Home Integrator Review

⭐⭐⭐⭐☆ Emily Tran - Home Automation Installer
"I used this sensor as part of a custom smart thermostat retrofit for a client’s vintage AC unit. The analog interface was key—no need to add digital converters. The stainless steel probe responds quickly to ambient changes, and its small footprint allowed clean installation behind the wall unit. Only reason I’m not giving five stars is that the standard documentation could include more wiring diagrams for non-industrial users. That said, support responded quickly when I asked. Six months of flawless operation so far."

Purchase Date: January 2025 | Usage Period: 4 months


🧪 Laboratory Equipment Technician Review

⭐⭐⭐⭐⭐ Dr. Alan Foster - R&D Lab Manager
"We needed a reliable, low-cost sensor for environmental monitoring in our stability chambers. The NTC thermistor 2k (Advanced Model) delivers consistent data across -20°C to 80°C. The high thermal conductivity probe ensures rapid response, critical for logging transient temperature events. Unlike plastic-bodied sensors, this one hasn’t degraded after repeated alcohol wipes and humidity exposure. Calibration has held steady over seven months. For labs needing dependable analog sensing without breaking the bank, this is an excellent choice."

Purchase Date: August 2024 | Usage Period: 7 months


📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Temperature Sensing Expert Recommendation

Dr. Rebecca Liu - Industrial Sensor Applications Specialist
"In my 15 years evaluating thermal sensors, durability and signal stability are the top failure points. The NTC thermistor 2k sensor excels in both. Its metal-housed design with analog output offers a balanced solution for retrofit and new-build applications. I particularly recommend the Pro Model for high-temperature industrial processes where digital sensors often fail due to EMI or power instability."

HVAC Systems Design Consultant

David Wu - HVAC System Integration Expert
"For contractors working across residential and commercial sectors, having a versatile, reliable temperature sensor is essential. This NTC thermistor line fills that gap perfectly. The scene adaptability and customization options make it a go-to for complex installations. I’ve specified it in three recent building automation projects—all with positive feedback from field technicians."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Exactly What My Retrofit Needed" - Nathan Brooks (HVAC Contractor)

Posted: 2 days ago

"Used the Base Model to replace a discontinued sensor in an old AC unit. Resistance matched perfectly, and it arrived pre-calibrated. Works like original—maybe better."

⭐⭐⭐⭐⭐ "Industrial-Grade Reliability" - Sofia Ramirez (Food Production Facility)

Posted: 1 week ago

"Installed 12 units in our cold storage zone. All performing flawlessly. The corrosion resistance is real—no issues from condensation or cleaning agents."

⭐⭐⭐⭐☆ "Great Sensor, Slight Learning Curve" - Tom Harris (DIY Smart Home Builder)

Posted: 3 weeks ago

"Had to look up NTC voltage divider basics, but once wired, it worked perfectly. Accurate and stable. Would help new users with more basic guides."


🎯 Reviews by Use Case Category

🏠 Home Appliance & Smart Thermostats (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
    • Ease of integration with analog systems (90% mentioned)
    • Compact size for tight enclosures (88% mentioned)
    • Cost-effective replacement for OEM parts (84% mentioned)

🏭 Commercial & Industrial HVAC (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • Durability in wet/damp environments (95% mentioned)
    • Fast response time (91% mentioned)
    • Customizable wire length for panel routing (87% mentioned)

🔬 Laboratory & Precision Control Systems (19 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
    • Stable readings over time (100% mentioned)
    • Resistance to cleaning chemicals (94% mentioned)
    • High thermal conductivity for accurate monitoring (90% mentioned)

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