The SHT20 Sensor Module is a highprecision industrialgrade temperature and humidity transmitter featuring the Sensirion SHT20 digital sensor. Designed for Modbus RS485 communication, this module provides reliable, long-distance monitoring for industrial applications, HVAC systems, and environmental control.
| Parameter | Value |
|---|---|
| Sensor Chip | Sensirion SHT20 (CMOSens® technology) |
| Temperature Range | -40°C to +125°C |
| Temperature Accuracy | ±0.3°C (typical) |
| Humidity Range | 0 to 100% RH |
| Humidity Accuracy | ±3% RH (typical) |
| Resolution | 14bit (temperature) / 12bit (humidity) |
| Communication Protocol | Modbus RTU (RS485) |
| Default Baud Rate | 9600 bps |
| Default Slave ID | 1 |
| Power Supply | 5-24V DC |
| Current Consumption | ≤ 20 mA (active) |
| Response Time | < 200 ms |
| Cable Length | Up to 1200 meters |
| Protection Rating | IP30 (PCB module) |
= Key Features =
IndustrialGrade Accuracy ±0.3°C temperature, ±3% RH precision
Modbus RS485 Interface Reliable longdistance communication
Wide Power Range 524V DC operation for flexible installation
Fast Response Time Less than 200ms for realtime monitoring
Factory Calibrated - Ready to use out of the box
Low Power Consumption - Only 20mA active current
Wide Operating Range 40°C to +125°C for harsh environments
Long Transmission Distance - Up to 1200 meters with proper cabling