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STC-300 Digital Temperature Controller with Sensor Cooling Compressor Delay Alarming for Refrigeration Freezer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Temperature Control: The STC-300 uses microcomputer technology and a digital display to enable precise temperature regulation, supporting applications requiring accuracy (e.g., refrigeration systems, freezers, and industrial cooling).
  • Sensor-Driven Cooling & Alarming: Equipped with a sensor for real-time monitoring, it features compressor delay functionality and alarming systems to prevent temperature fluctuations, ensuring optimal performance in critical environments.

Key features

  • 1. Advanced Microcomputer Technology for Precision Control

  • With a microcomputer-based processor, achieve precise and adjustable temperature control across a wide range (-50°C to 150°C). This ensures reliable performance in demanding applications like industrial refrigeration or laboratory environments.

  • 2. User-Friendly Digital Interface

  • With an intuitive digital display and dedicated "SET" and "RST" buttons, adjust temperature settings effortlessly without complex programming. Ideal for quick setup in commercial or home use.

  • 3. Commercial-Grade Durability

  • With a corrosion-resistant metal body and robust plastic components, withstand harsh conditions and ensure long-term reliability in industrial or continuous-use scenarios.

  • 4. Sensor Cooling Compressor Delay & Alarming

  • With built-in delay and alarming features, protect equipment from sudden temperature fluctuations or overloads, reducing downtime and extending compressor lifespan compared to basic models*.

  • 5. Versatile Temperature Range for Diverse Applications

  • With a -50°C to 150°C operational range, adapt to extreme environments—from deep-freeze storage to high-heat industrial processes—outperforming standard controllers limited to narrower ranges*.

Product details

STC-300 Digital Temperature Controller with Sensor Cooling Compressor Delay Alarming for Refrigeration Freezer

The STC-300 Digital Temperature Controller with Sensor Cooling Compressor Delay Alarming is a precision-engineered device designed for reliable temperature regulation in refrigeration, freezer systems, and industrial applications. Its microcomputer-based architecture ensures accurate control, while its intuitive interface and robust safety features make it ideal for environments requiring consistent thermal management.

Technical specifications

FeatureSpecificationApplication Scenario
Microcomputer Technology32-bit processor for precise controlIndustrial processes, lab equipment
Display & ButtonsDigital screen + SET/RST buttonsEasy parameter adjustment in warehouses
Temperature Range-50°C to 150°CFreezers, ovens, cold storage units
Sensor CompatibilityCooling compressor delay alarmingRefrigeration systems, HVAC maintenance
Safety FeaturesOver-temperature alarm, fault detectionCritical safety applications (e.g., labs)
Material ConstructionDurable plastic/metal casingHarsh industrial or outdoor environments

Customization guide

Adjustable parameters include temperature thresholds, delay timing for compressor restart, and alarm sensitivity. Customize these to meet specific needs such as:

  • Food storage: Set precise chilling zones for perishables.
  • Lab equipment: Define narrow temperature bands for sensitive experiments.
  • Industrial cooling: Optimize compressor delays to reduce energy waste.

Get inspired

With its versatile temperature range and sensor-driven precision, the STC-300 empowers users to maintain optimal conditions in refrigeration systems, lab setups, or industrial processes. Its intuitive design ensures seamless integration into existing infrastructure.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Temperature Range-20°C to 100°C-50°C to 150°C-50°C to 200°C*
Sensor Types SupportedBasic thermalMulti-sensorUniversal (all types)
Alarm FeaturesBasic alertsDelay alarmingAdvanced diagnostics
Response Time5 seconds3 seconds (+40%)2 seconds (+60%)*

Supplier's note

  1. Technical Breakthroughs:

    • Microcomputer Core: Enables ±0.5°C accuracy, 20% finer than traditional analog controllers.
    • Expanded Range: The Pro’s -50°C to 200°C capability outperforms 90% of industry benchmarks.
    • Delay Alarming: Reduces compressor wear by delaying restart post-alarm, extending equipment lifespan by 30%.
  2. Version Selection Guide:

    • Base Model: Ideal for standard refrigeration (e.g., food storage) where cost efficiency is prioritized.
    • Advanced Model: Suitable for labs or HVAC systems needing delay alarming to prevent compressor damage.
    • Pro Model: Best for industrial cold storage or extreme environments (e.g., cryogenics) requiring ultra-precise control.

With the Pro’s 200°C capability, you can safely regulate high-temperature sterilization cycles. Pair its diagnostics with real-time monitoring to preempt failures, ensuring uninterrupted operations.

Frequently asked questions

  • Which temperature controller model suits small refrigeration units like freezers?

  • How do I clean and maintain the STC-300 temperature controller?

  • What makes the STC-300’s sensor cooling compressor delay feature unique?

  • Can the STC-300 be customized for specific temperature ranges?

  • Is the STC-300 suitable for food storage freezers?

  • How does the STC-300’s alarming system work for refrigeration units?

  • What’s the difference between analog and digital temperature controllers like the STC-300?

  • Can the STC-300 be used in both refrigeration and heating systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Temperature ControlLaboratories, ResearchIndustry: ±1°C (IEC 60751)
Base: ±0.5°C (▲50% improvement)
Advanced: ±0.3°C (▲67% improvement)
Base meets industrial standards; Advanced ideal for precisionAdvanced version costly
User InterfaceIndustrial FacilitiesIndustry: Analog dial
Base: Digital display + buttons (ISO 14756)
Advanced: Touchscreen (▲ ease of use)
Base allows precise settings; Advanced offers intuitive controlsAdvanced requires higher investment
Operating TemperatureCold Storage FacilitiesIndustry: -20°C to 100°C
Base: -50°C to 150°C (▲30°C lower)
Advanced: -60°C to 200°C (▲10°C further)
Base handles industrial freezers; Advanced for ultra-low tempsAdvanced needs more power
Material DurabilityHarsh Industrial EnvironmentsIndustry: Basic plastic (ASTM D638)
Base: Reinforced polymer (▲30% durability)
Advanced: Stainless steel (▲50% corrosion resistance)
Base resists wear; Advanced withstands corrosive conditionsAdvanced is heavier and bulkier
Customization OptionsCustom Process IndustriesIndustry: Fixed settings
Base: Programmable temps (▲10+ presets)
Advanced: Full customization + alarms (▲ real-time monitoring)
Base meets most needs; Advanced offers advanced controlAdvanced requires training for setup
Safety FeaturesHigh-Risk LabsIndustry: Basic alarm (IEC 60204)
Base: Auto-shutoff (▲ prevents overheating)
Advanced: Multi-layer protection (▲99% safety)
Base adds safety; Advanced maximizes safetyAdvanced system is more complex to manage

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