HopeRF TH09 Temperature and humidity sensor

Product detailed description

The HopeRF TH09 digital temperature and relative humidity sensor offers precise and stable measurements in a compact design. It features a high-precision temperature element (±0.15 °C) and a capacitive relative humidity sensor (±2 %RH), communicating via the I²C bus using a single pair of wires. Measured values are factory-calibrated and returned directly in %RH and Kelvin, eliminating the need for complex conversions. Thanks to its very low power consumption and automatic transition to sleep mode between measurements, this sensor is ideal for battery-powered IoT devices, weather stations, smart homes, HVAC systems, or indoor air quality monitoring.

Specifications:

• Sensor: HopeRF TH09 (temperature + relative humidity)
• Communication: I²C (standard 100 kbit/s, fast 400 kbit/s)
• I²C address: 0x43 (fixed)
• Power supply: 1.71 – 3.6 V DC
• Pins: 4 (VDD, SDA, SCL, GND)
• Temperature:
  • Range: –40 °C to +100 °C
  • Accuracy: ±0.15 °C (typ.), resolution 0.016 °C
• Humidity:
  • Range: 0 – 100 %RH
  • Accuracy: ±2 %RH (typ.), resolution 0.03 %RH
• Output: calibrated data directly in %RH and Kelvin
• Power consumption: approx. 6.6 µA at 1×/s measurement (1.8 V), quiescent current 40 nA
• Conversion time: approx. 122 ms (temperature + humidity, single measurement)
• Long-term stability: temperature 0.005 °C/year, humidity 0.25 %RH/year
• Operating conditions (recommended): 5 – 60 °C, 20 – 80 %RH
• Sensor dimensions: 10.8 × 9.1 × 1.55 mm

Package contents:

• 1× HopeRF TH09 temperature and humidity sensor module

Note:

• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change their basic properties.