One-Wire Digital Humidity and Temperature Sensor Probe High Accuracy

The 7Semi One-Wire Digital Humidity and Temperature Sensor Probe (High Accuracy) is a durable, metal-cased environmental sensor designed to measure temperature and relative humidity with high precision. It uses a 1-Wire digital interface, allowing long-distance communication and multi-sensor networking using a single data line. With a corrosion-resistant porous metal shell, fast response time, and high stability, it is ideal for industrial, HVAC, storage, greenhouse, automation, and long-term environmental monitoring applications.

Technical Specifications:

• Interface: 1-Wire digital communication
  
• Supply Voltage: 3.3V
  
• Temperature Range: –40°C to +125°C
  
• Temperature Accuracy: ±0.2°C typical
  
• Humidity Range: 0% to 100% RH
  
• Humidity Accuracy: ±1.8% RH typical
  
• Response Time: ~2 seconds
  
• Average Current Consumption: ~0.4 µA
  
• Housing: Stainless-steel porous metal probe (dust-resistant, corrosion-resistant, breathable)
  
• Filter Pore Size: 5–120 µm (typical industrial breathable filter)
  
• Designed for: Harsh/industrial environments, long-term deployment

Features:

• High-accuracy humidity and temperature measurement
  
• 1-Wire communication for simple wiring and long-distance data transmission
  
• Supports multi-drop devices on a single data line
  
• Ultra-low power consumption suitable for battery-powered systems
  
• Rugged stainless-steel probe housing suitable for dusty, humid, or corrosive environments
  
• Fast response to humidity and temperature changes
  
• Suitable for continuous monitoring and industrial automation
  
• Built-in digital calibration for consistent long-term performance

Applications:

• Industrial HVAC monitoring and automation
  
• Warehouse, cold storage, and server-room climate monitoring
  
• Greenhouse and agricultural climate control
  
• Environmental monitoring and data-logging systems
  
• Smart building and smart home humidity/temperature sensing
  
• Distributed sensor networks using long 1-Wire bus wiring
  
• Clean rooms, laboratories, and controlled environments
  
• Weather-resistant outdoor or semi-outdoor monitoring
  
• Battery-powered or remote IoT sensing devices