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Which sensor measures the pressure relative to perfect vacuum?(a) Absolute pressure sensor(b) Gauge pressure sensor(c) Vacuum pressure sensor(d) Differential pressure sensorI got this question during an interview.Enquiry is from Pressure Sensor in portion Sensors of IOT

Answer»

Correct choice is (a) Absolute pressure sensor

For EXPLANATION I would say: Pressure sensor can be classified in terms of pressure ranges they MEASURE, temperature ranges of OPERATION, and most importantly the type of pressure they measure. Absolute pressure sensor is a sensor that measures the pressure relative to PERFECT VACUUM.



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