SMP2920 Mini Piezoresistive differential pressure sensor core_Xian Sensors limited company

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Pressure sensor core

SMP2920 Mini Piezoresistive differential pressure sensor corePageviews: 1953 times

  • ●Features
    Patent No.:ZL 2016 2 0818435.1
    Range: 0kPa~35kPa┅3.5MPa
    Small size: φ19mm*16mm
    SS 316L
    Import MEMS pressure sensitive chip
    General appearance and structure and assembly dimensions
    ●Application
    Industrial process control
    Gas, liquid pressure measurement
    Differential pressure measurement
    Venturi and Vortex Flowmeters

●Outline structure:(Unit: mm)


●Specification

Construction condition

Diaphragm material

SS 316L

Housing material

SS 316L

Pin Wire

Gold-plated karaf /100mm silicone rubber wire

Seal ring

Nitrile rubber

Electrical Condition

Power supply

≤2.0mADC

Impedance input

2.5kΩ5kΩ

Impedance output

2.5kΩ5kΩ

Response

(10%90%):<1ms

Insulation resistance

100MΩ,100V DC

Maximum static pressure

15MPa

Environmental Condition

Media applicability

Fluid which has no corrosion on stainless steel and nitrile rubber

Shock

No change at 10Grms,(202000)Hz

Impact

100g,11ms

Position effects

Deviate 90° from any direction, zero change≤±0.05%FS

Basic Condition

Environment temperature

25±1

Humidity

50%±10%RH

Atmospheric pressure

(86106) kPa

Power supply

1.5±0.0015mA  DC

All tests are in accordance with relevant national standards, including GB / T2423-2008, GB / T8170-2008, GJB150.17A-2009, etc., and also comply with the Company's "Pressure Sensor Enterprise Standards" provisions of the relevant content.



●Parameter

Item

Min.

Typ.

Max.

Units

Linearity

±0.2

±0.25

%FS,BFSL

Repeatability

±0.05

±0.075

%FS

Hysteresis

±0.05

±0.075

%FS

Zero output

45

100

mV DC

FS output

050

Compensated temp. range

-40125

Working temp. range

-55150

Storage temp. range

±0.75

±1.0

%FS,@ 25

Zero temp. error

±0.75

±1.0

%FS,@ 25

Full temp. error

 

±0.25

 

%FS/year

Note1. The above performance indicators are tested under the benchmark conditions.

 2. The temperature range for temperature drift test is the compensation temperature range.



●Electrical connection

Electrical  definition connection

Wire color

+IN

Black

OUT

Blue

+OUT

Red

IN

Yellow

IN

White