Sensors and Detectors

Which is not a traditional use of sensors?

• Measure temperature

• Measure pressure

• Measure time

Analogue signal is a:

• Continuous signal

• Discret signal

• Electromagnetic pulse

Which image represents a digital signal?

• 
• 
• 

An active sensor is:

• A type of sensors that require an external source power

• A type of sensors that NO require an external source power

• A type of sensors that do not measure anything

Which image represents a good repeatability?

• A

• B

• C

• D

Which image represents a good accuracy and bad repeatability?

• A

• B

• C

• D

What is the most used sensor for touch buttons?

• Capacitive

• Resistive

• Inductive

What is the type of sensor used to detect metals?

• Capacitive

• Resistive

• Inductive

What does offset mean?

• Once the sensor is activated must maintain stable output.

• Value of the output variable when the input variable is null

• the voltage supply range over which the sensor has a stable output

Humidity detector also called:

• Hygrometer

• Water detector

• Barometer