Sensor Humidity

Which of the following is the common unit used for measuring humidity?

• Celsius (°C)

• Fahrenheit (°F)

• Kilogram per cubic meter (kg/m3)

• Relative Humidity (%RH)

Humidity sensors are used in which of the following industries?

• Automotive

• Food processing

• Telecommunications

• All of the above

What does a humidity sensor measure?

• Temperature

• Pressure

• Moisture

• Light intensity

What is the typical type of humidity sensor?

• Absolute humidity sensor

• Barometric humidity sensor

• Relative humidity sensor

• None of the above

Which of the following is an analogue humidity sensor?

• Capacitive humidity sensor

• Digital humidity sensor

• Piezoelectric humidity sensor

• Magnetic humidity sensor

What is the range of relative humidity that is considered to be comfortable for humans?

• 0-30%RH

• 30-60%RH

• 60-80%RH

• 90-100%RH

Which of the following principles is used by capacitive humidity sensors to detect changes in humidity?

• Monitoring electrical resistance

• Measuring capacitance

• Using salts and conductive polymers

• None of the above

In capacitive humidity sensors, what happens to the capacitance value as the dielectric constant of the humidity-sensitive material increases?

• It decreases

• It stays the same

• It increases

• It fluctuates

What type of material is commonly used in resistive humidity sensors?

• Dielectric material

• Conductive material

• Magnetic material

• Insulating material

Which type of sensor has fewer problems with interchangeability and is easier to calibrate?

• Capacitive humidity sensors

• Resistive humidity sensors

• Both have the same level of interchangeability

• Neither have good interchangeability