FPSS050B datasheet(7/11 Pages) ASC

tên linh kiện	FPSS050B

Giải thích chi tiết về linh kiện	FPS SERIES PRESSURE SENSOR

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DS-0329 Rev B

Performance Characteristics4 (Cont’d)

Page 7

Specification Notes (Cont’d)

note

3: total accuracy iS tHe combineD error from offSet anD Span calibration, linearity, preSSure HyStereSiS anD temperature effectS.

note

4: tHe SenSor iS calibrateD witH a common moDe preSSure of 1 bar abSolute. Due to tHe maSS flow baSeD meaSuring principle, variationS in abS-

olute common moDe preSSure neeD to be compenSateD accorDing to tHe following formula

:

note

5: tHe max. common moDe preSSure iS 30 pSi

note

6: figure baSeD on accelerateD lifetime teSt correSponDing to 1 year of life.

note 7: tHe Digital output Signal iS a SigneD, two’S complement integer. negative preSSureS will reSult in a negative output.

note 8: pleaSe contact all SenSorS corporation for low power optionS.

note 9: non-linearity referS to a terminal baSeD fSl (fitting StraigHt line) going tHrougH tHe actual zero preSSure reaDing.

note 10: for example witH a fpSS500... SenSor meaSuring co

2 gaS, at full-Scale output tHe actual preSSure will be 2.00 inH2o x 0.56 = 1.12 inH2o.

note 11: for correct operation of fpS 3v DeviceS, tHe Device Driving tHe Spi buS muSt Have a minimum Drive capability of ± 2 mA.

gas correction factor

ΔPeﬀ = ΔPsensor x

ΔPeﬀ

= True diﬀerential pressure

ΔPsensor

= Diﬀerential pressure as indicated by output voltage

Analog Output (Bidirectional Devices)

Digital Output

Characteristics

Min

Typ

Max

Units

Zero Pressure Offset

1.49

1.50

1.51

V

Full Scale Span

2.37

2.40

2.43

V

Output @ Max. Specified Pressure

-

2.70

-

V

Output @ Min. Specified Pressure

-

0.30

-

V

Thermal Effects

Offset @ 5 to 55

°C

-

±10

mV

Offset @ 0 to 70

°C

-

±12

mV

Thermal Effects

Span @ 5 to 55

°C

-

±1

±1.75

%FSS

Span @ 0 to 70

°C

-

±2

±2.75

%FSS

Characteristics

Min

Typ

Max

Units

Scale Factor (Digital Output)7 0.4 inH2O /

±0.4 inH2O

-

75

-

counts/0.001 inH2O

1.0 inH2O /

±1.0 inH2O

-

30

-

counts/0.001 inH2O

2.0 inH2O /

±2.0 inH2O

-

15

-

counts/0.001 inH2O

Zero Pressure Offset Tolerance

-0.1

-

+0.1

%FSS

Full Scale Span Tolerance

-0.75

-

+0.75

%FSS

Thermal Effects

Offset @ 5 to 55

°C

-

±30

counts

Offset @ 0 to 70

°C

-

±60

counts

Thermal Effects

Span @ 5 to 55

°C

-

±1

±1.75

%FSS

Span @ 0 to 70

°C

-

±2

±2.75

%FSS

Pabs

ΔPeff = ΔPsensor x 14.5 psia

ΔPeff

= True differential pressure

ΔPsensor

= Differential pressure as indicated by output voltage

ΔPabs

= Current absolute common mode pressure

Số phần tương tự - FPSS050B

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