Pressure

What are the different types of pressure sensors?

Capacitive ceramic sensor

Piezoresistive ceramic sensor

MEMS
(Standard application)

MEMES
(Fuel pressure)

MSG

Pressure film sensor

Pressure range

0.01-200 BAR 0.2-200 BAR 0.001-50 BAR 0.01-500 BAR 10-3000 BAR 1-3000 BAR

Measured item

Water, fuel, gas, refrigerant, acid Water, fuel, gas, refrigerant, acid Air Water, fuel, gas, refrigerant Water, oil, gas, refrigerant Water, oil, gas, refrigerant

Overload capacity

Very good
10-100 times
Very bad
2-3 times
Good
2-10 times
Normal
2-5 times
Normal
2-5 times
Normal
2-5 times

Temperature drift coefficient

No need for compensation temperature Need for compensation temperature Need for compensation temperature Need for compensation temperature Need for compensation temperature Need for compensation temperature

Long-term stability

Bon Bad Normal Bon Bon Bon

Cost

Low Low The weakest Normal Normal High

Avantages

Low cost at low and medium pressure Low cost in medium and high pressure Low cost at low and medium pressure High precision at medium and high pressure Low cost at high pressure High precision at medium and high pressure

disadvantage

Significant price increase if high precision is required Low long-term stability Low corrosion resistance Complex manufacturing process Low sensitivity at low and medium pressure Insulation less than 500V

Application

Automotive, air, air conditioning, pre-chemical, water distribution household appliances (low requirements) Automotive, telephony, medical Control and measuring instrument Fuel injection system and braking system Aerospace, high-speed train, petroleum extraction

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