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HT22 Piezoresistive Silicon Pressure Sensor
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  • HT22 is piezoresistive silicon pressure sensor, the main element is a diffused silicon with high stability. It utilizes silicon oil to transfer pressure from 316L stainless steel diaphragm to sensing element. It used for high pressure measurement.

    Features
     
    Wide measurement range:0~10KPa~60Mpa
    O-ring seal
    High reliability and stability                                                         
    Full 316L Stainless steel

     
    Application
     
    Measurement pressure of gas and liquid 
    Process control System
    HVAC control
    Pressure transmitter
    Refrigeration system

    Electrical Data

    Supply :1.5mADC                        
    Input impedance:3KΩ~6KΩ
    Output impedance:2.5KΩ~6KΩ             
    Insulation resistance:≥100MΩ/50VDC
    Insulation voltage: 500VAC between the housing and electrical connection will not cause damage
    Medium compatible: liquid, gas compatible with 316L stainless steel


    Performance Specification

     

    Parameters

    Range0~10KPa35KPa0~70KPa100KPa200KPa350KPa700KPa1000KPa2000KPa3500 KPa7MPa10MPa 20MPa35Mpa60MPa100MPa

    Typical.

    Max.

    Units

    Pressure Non-linearity

    ±0.15 (0~2MPa)

    ±0.2  (3.5MPa~60MPa)

    ±0.3

    %F.S

    Pressure Repeatability and Hysteresis

    0.02

    0.05

    %F.S

    Zero Output

    0±1

    0±2

    mV

    Span Output

    ≤20KPa

    50±10

    50±30

    mV

    ≥35KPa

    100±10

    100±30

    mV

    Temperature Error-Zero

    ≤20KPa

    ±1

    ±2

    %F.S

    ≥35KPa

    ±0.5

    ±1

    %F.S

    Temperature Error-Span

    ≤20KPa

    ±1

    ±2

    %F.S

    ≥35KPa

    ±0.5

    ±1

    %F.S

    Proof Pressure

    3X Rated range or 120MPa,whichever is less

    -----

    Operating TemperatureRange

    -20~80

    CompensatedTemperatureRange

      0~70,   0~50(Range20KPa)

    Storage Temperature  Range

    -40~125

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     


    Note :Above parameter under condition:Supply: 1.5mA   Temperature:25℃

     

     
     
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