10 Pack CJ-HR31D Humidity Sensitive Resistor Sensor Module With Shell For Fast Accurate Humidity Sensing In DIY Electronics Projects Dope For Microcontrollers With Broad Humidity Range And Rapid Response No Heating Or Cleaning Durable Shell
✔️ Includes 10-pack modules, ready for quick DIY projects
This humidity sensitive resistor module uses the CJ-HR31D element, a polymer-based humidity sensor with a protective shell. It's built for fast, accurate humidity sensing across a broad range and stands up to everyday DIY projects, microcontroller experiments, and environmental monitoring setups.
✅ Humidity sensing element: organic polymer film with wide range
✅ Quota voltage: 1.5 VAC (Max, sine wave); quota power: 0.2 mW (Max, sine wave)
✅ Operating frequency: 500 Hz ~ 2 kHz; temperature 0-60°C; RH below 95% RH non-condensing
✅ Hysteresis return difference: less than 2% RH; response time moisture absorption less than 20 s; dehumidification up to 40 s; stability up to 1% RH per year
✅ Humidity detection accuracy: less than or equal to 5% RH; impedance at 25°C with 60% RH ranges 19.8 kΩ to 50.2 kΩ
💡 What is a humidity sensor module used for in DIY electronics and climate control?
These handy devices convert ambient humidity into readable signals that microcontrollers can log, monitor, and control in weather stations, greenhouse automation, or indoor climate systems.
- Humidity sensing module used for ambient monitoring and climate control
- Sealed shell design for rugged use in workshops and industrial environments
- Low power operation suitable for battery-powered designs
- Wide humidity range delivers stable, repeatable readings