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  • TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA
  • TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA
  • TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA
  • TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA
  • TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA
  • TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA
TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA

TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA

$226.00-$236.00/ Piece|5 Piece/Pieces(Min. Order)
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TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Temperature Measurement: Equipped with Type K thermocouple and PT100 RTD sensors, the TRH-3306C provides accurate temperature readings in °C, suitable for industrial processes, HVAC systems, and environmental monitoring.
  • Large Red LED Display: A bold, easy-to-read red LED screen ensures visibility from a distance, ideal for fast and clear temperature monitoring in low-light or high-traffic environments.
  • 4-20mA Output: Enables seamless integration with industrial control systems, data loggers, or automation setups for real-time temperature data transmission.

Key features

  • 1. Durable Material Construction

    • With a sturdy metal or durable plastic housing, you can ensure reliable operation in harsh industrial or outdoor environments, outperforming flimsier plastic models.*

  • 2. High-Visibility Red LED Display

    • With a large red LED display, you can easily read temperature readings from a distance even in bright conditions, offering 30% better visibility than smaller displays.*

  • 3. Precision and Compatibility

    • With 4-20mA output and compatibility with Type K thermocouples and PT100 RTDs, you can achieve precise and reliable temperature measurements, ensuring accuracy across diverse applications.

  • 4. Versatile Industrial Use

    • With versatile mounting options and a rugged design, you can install it in industrial settings or outdoor environments, providing 24/7 operation compared to basic indoor models.*

  • 5. Broad Temperature Range

    • With a typical temperature measurement range of -50°C to 150°C, you can monitor extreme temperatures in diverse environments, covering a broader range than standard thermometers.*

Product details

TRH-3306C LED Large Digital Temperature Display, Type K, PT100, 4-20mA

The TRH-3306C LED Large Digital Temperature Display is a robust industrial thermometer designed for precise temperature monitoring in harsh environments. Equipped with a Type K thermocouple and PT100 resistance sensor compatibility, it supports 4-20mA output for seamless integration into automation systems. Its red LED display ensures high visibility in low-light or bright conditions, while its durable housing and mounting bracket provide versatility for industrial, outdoor, or HVAC applications.

Technical specifications

FeatureSpecificationApplication Scenario
Display TypeRed LED, large digitsIndustrial monitoring, environmental control
Sensor CompatibilityType K thermocouple, PT100 probeHigh-temperature processes, HVAC systems
Output Signal4-20mA analog signalAutomation and SCADA systems integration
DurabilityMetal/durable plastic housingHarsh environments (humidity, dust, vibration)
Temperature Range-50°C to 150°C (typical)Cold storage, industrial ovens, outdoor use

Customization guide

Adjustable mounting brackets and display orientation can be customized to meet specific installation needs. For example:

  • Mounting Options: Choose between wall, ceiling, or equipment-mounted configurations.
  • Display Brightness: Calibrate LED intensity for optimal visibility in varying light conditions.

Get inspired

The TRH-3306C’s red LED display and rugged design make it ideal for applications requiring reliability and clarity. Whether monitoring furnace temperatures in a factory or tracking ambient conditions in a warehouse, this thermometer ensures precise, real-time data delivery.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Temperature Range-20°C to 120°C-50°C to 150°C-50°C to 200°C*
Accuracy±1.0°C±0.5°C±0.2°C
Durability RatingIP54 (dust/water)IP67 (dustproof/submersion)IP69K (high-pressure wash)
Response Time2 sec1.5 sec1 sec (+30% faster)

Supplier's note

  1. Technical Breakthroughs:

    • Red LED Display: With 20% higher brightness than standard models, it ensures visibility up to 50 meters away.
    • PT100 Sensor Compatibility: Achieves 0.1°C resolution for lab-grade precision in the Pro model.
    • 4-20mA Output: Enables interference-free long-distance signal transmission (up to 1000 meters).

  2. Version Selection Guidance:

    • Base Model: Ideal for general HVAC or indoor industrial use where cost efficiency is prioritized.
    • Advanced Model: Suitable for food processing or pharmaceutical environments requiring IP67 protection and improved accuracy.
    • Pro Model: Designed for extreme conditions (e.g., foundries, chemical plants) with IP69K rating and triple the durability of industry benchmarks. With its ±0.2°C accuracy, it ensures compliance in regulated manufacturing processes.

Frequently asked questions

  • Which digital thermometer model is best suited for industrial environments like factories?

  • How do I clean the sensor or display of the TRH-3306C thermometer?

  • What materials are used in the TRH-3306C housing, and why are they better for outdoor use?

  • Can the TRH-3306C be customized for wall mounting or equipment attachment?

  • Is the TRH-3306C’s red LED display better than other colors for industrial monitoring?

  • Does the TRH-3306C support Type K thermocouples and PT100 probes simultaneously?

  • What certifications ensure the TRH-3306C’s accuracy for critical temperature measurements?

  • How does the 4-20mA output of the TRH-3306C integrate with industrial systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Display TechnologyIndustrial Process Monitoring, Outdoor
Industry: Small LCD (6mm digits, 5m visibility)
Base: Large red LED (10mm ▲▲, 10m visibility)
Advanced: Backlit LED (12mm ▲▲▲, 15m ▲▲▲)
Enhanced readability in bright/dark conditions (ISO 13399 compliance)
Base: Higher power consumption vs LCD; Advanced: Costlier due to backlighting
Sensor TypeHigh-Accuracy Industrial Measurements
Industry: Type K Thermocouple (±2.2°C accuracy)
Base: PT100 RTD (±0.5°C ▲▲)
Advanced: PT1000 RTD (±0.1°C ▲▲▲)
Superior accuracy for precise control (IEC 60751 certified)
Advanced models may require frequent calibration in extreme environments
Output SignalIntegration with Control Systems
Industry: Analog 4-20mA
Base: 4-20mA + Modbus RS-485 ▲
Advanced: 4-20mA + Modbus + Wireless ▲▲
Seamless connectivity for IoT/SCADA systems (IEC 61131-2)
Wireless adds latency and security risks in sensitive environments
Durability & MaterialHarsh Environments (High Temp/Humidity)
Industry: Plastic housing (IP54)
Base: Durable plastic (IP65 ▲)
Advanced: Stainless Steel (IP67 ▲▲)
Resists corrosion/dust/water ingress (ASTM D543 compliance)
Advanced models may be heavier and less portable
Operating Temperature RangeCryogenic to High-Temperature Applications
Industry: -20°C to 120°C
Base: -40°C to 150°C ▲▲
Advanced: -50°C to 200°C ▲▲▲
Single device for extreme conditions (ISO 16750)
Advanced sensors may require specialized protective casings
Mounting FlexibilityCustom Installation Needs
Industry: No pre-mounted bracket
Base: Universal bracket ▲
Advanced: Adjustable multi-axis mount ▲▲
Easy installation on walls, equipment, or ceilings
Advanced mounts add cost and require professional installation

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