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7Semi High-Precision Temperature & Humidity Sensor Probe

7Semi High-Precision Temperature & Humidity Sensor Probe

₹1,174.00Price
🔹 Overview
The 7Semi High-Precision Temperature & Humidity Sensor Probe is a digital environmental sensing probe designed for accurate measurement in industrial and embedded systems.
  • Measures:
    • Temperature
    • Relative humidity
  • Built using Sensirion SHT series (SHT40 / SHT41 / SHT45 class sensors)
  • Comes in a probe format with cable + protective housing
👉 Designed for remote sensing in harsh or inaccessible environments
🔹 Working Principle
  • Humidity sensing:
    • Capacitive polymer sensing element changes capacitance with moisture
  • Temperature sensing:
    • Bandgap / thermistor-based sensing
  • Internal system:
    • ADC + digital processing
    • Factory calibration → linearized digital output
👉 Outputs fully processed values (no external calibration required)
🔹 Measurement Characteristics
🌡️ Temperature
  • Range: –40°C to +125°C
  • Accuracy:
    • ±0.2°C (SHT41 typical)
    • Up to ±0.1°C (SHT45 high-end)
💧 Humidity
  • Range: 0% to 100% RH
  • Accuracy:
    • ±1.8% RH typical
    • Up to ±1% RH (higher-end variants)
📊 Resolution
  • 16-bit digital output
🔹 Electrical Characteristics
  • Operating Voltage: ~3.3V
  • Ultra-low power consumption:
    • Idle: nanoamp range
    • Active: very low (suitable for battery systems)
🔹 Communication Interface
  • Protocol: I2C (digital)
  • Default Address: 0x44
👉 Easy integration with microcontrollers (Arduino, ESP32, etc.)
🔹 Probe Design & Construction
🔧 Housing
  • Stainless steel porous enclosure
  • Features:
    • Breathable membrane
    • Dust & moisture protection
    • Corrosion resistance
🔌 Cable & Connector
  • Typical cable length: ~1 meter
  • Connector: MRS (Mini Round Shell type)
🔹 Environmental Durability
  • Works in:
    • High humidity / condensing environments
    • Corrosive atmospheres
    • Industrial environments
  • Features:
    • Anti-pressure capability (~150 bar)
    • Dustproof and anti-contamination design
🔹 Internal Features
  • Factory calibrated (NIST traceable)
  • Built-in heater:
    • Reduces condensation effects
    • Improves measurement stability
  • Unique serial ID for traceability
🔹 Performance Characteristics
  • High repeatability and long-term stability
  • Fast response due to breathable probe design
  • Stable operation in dynamic environments
🔹 Functional Behavior
  • Continuously measures:
    • Ambient temperature
    • Relative humidity
  • Outputs:
    • Fully processed digital data via I2C
  • Heater can be activated for:
    • Dehumidifying sensor surface
    • Improving accuracy in high RH
🔹 Key Technical Features
  • High accuracy (±0.1–0.2°C, ±1–1.8% RH)
  • Wide operating range
  • 16-bit digital output
  • I2C interface
  • Industrial-grade probe housing
  • Low power consumption
  • Long-term stability and calibration
🔹 Advantages
  • Suitable for harsh and industrial environments
  • Remote sensing via probe + cable
  • No external calibration required
  • High precision compared to low-cost sensors
🔹 Limitations
  • Slightly higher cost than basic sensors
  • Requires proper airflow for best accuracy
  • Heater increases power consumption when used
🔹 Technical Summary
The 7Semi high-precision probe is a professional-grade temperature & humidity sensing solution that:
  • Combines accurate sensing + rugged probe design
  • Provides stable, calibrated digital output
  • Is optimized for industrial, HVAC, environmental monitoring, and IoT systems
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