HR202 Humidity Sensor Module

HR202 Humidity Sensor Module is an LM393 based Operational Amplifier Module, Which can detect the presence and amount of relative humidity in the room or outdoor environment with linear output accordingly in digital predefined output or analog out put.

Technical Specification:

• Operating range: humidity(20-95%RH) temperature(0-60Celsius)
• Power supply: 5V DC
• Operating frequency: 500Hz-2kHz
• Rated power: 0.2mW(Max sine)
• Central value: 31kΩ or 23kΩ (at 25Celsius, 1kHz ,1V AC, 60%RH)
• Impedance range: 19.8-50.2kΩ (at 25Celsius)
• Accuracy: ±5%RH
• Dimensions: with case 12*15*5mm, without case 8*10*0.7mm
• SENSITIVITY ADJUSTABLE (SHOWN IN BLUE DIGITAL POTENTIOMETER ADJUSTMENT)
• THE COMPARATOR OUTPUT SIGNAL WAVEFORM, DRIVING ABILITY, MORE THAN 15MA
• WITH ADJUSTABLE PRECISION POTENTIOMETER SENSITIVITY ADJUSTMENT
• THE WORKING VOLTAGE OF 3.3V-5V
• THE OUTPUT FORMAT: DIGITAL SWITCHING OUTPUTS (0 AND 1)
• The device output data can be directly interfaced with the Arduino or other microcontrollers.
• DO OUTPUT PORT CAN BE DIRECTLY CONNECTED WITH THE SINGLE CHIP MICROCOMPUTER, THROUGH THE SINGLE CHIP MICROCOMPUTER TO DETECT HIGH AND LOW LEVEL,
• DO OUTPUT CAN DIRECTLY DRIVE THE RELAY MODULE, WHICH CAN BE CONNECTED TO WATER SOLENOID VALVE AND FORM AN AUTOMATIC FIRE EXTINGUESHER.