Products

Cyx-20 Silicon Oil Filled Differential Piezoresistive Pressure Sensor

China Cyx-20 Silicon Oil Filled Differential Piezoresistive Pressure Sensor, Find details about China Pressure Sensor, Differential Pressure from Cyx-20 Silicon Oil Filled Differential Piezoresistive Pressure Sensor

Model NO.
CYX-20
Wiring Type
Four-Wire
Measuring Medium
Liquid
Certification
CE
Customized
Customized
Range
10kpa~3MPa
Trademark
Huatian
Transport Package
Standard Package
Origin
Tianshui, Gansu, China
Model NO.
CYX-20
Wiring Type
Four-Wire
Measuring Medium
Liquid
Certification
CE
Customized
Customized
Range
10kpa~3MPa
Trademark
Huatian
Transport Package
Standard Package
Origin
Tianshui, Gansu, China
1 Summary
     CYX20 series differential pressure sensor is a differential pressure sensitive device isolated by stainless steel double corrugated diaphragm. The accurate measurement is achieved by transmitting through the isolation diaphragm and filled silicone oil to the silicon pressure-sensitive element. The sensor is made of international advanced silicon pressure chips with high stability and high precision, and adopts the sintering base with stress optimization design. The sensor is produced by the following processes: patching, gold wire bonding, diaphragm welding, high vacuum oil injection, pressure cycle stress relief, high temperature aging, temperature compensation, etc. The shape, size and sealing mode of the general products are consistent with the international mainstream products of the same kind, and have good interchangeability. They are widely used for differential pressure and liquid level measurement of compatible media with 316L stainless steel, NBR or FKM.
 
2 Product features
    measurement range: 0 ~ 10kPa…3.5MPa
    constant current / voltage supply
    isolated structure, suitable for multiple fluid media
    all 316L stainless steel
    static pressure 10MPa
    1.5 times overvoltage of full scale

3 Application
     industrial process control                               liquid level measurement of pressure vessel
     gas and liquid pressure measurement          pressure detection and calibration instrument
     differential pressure detection                       flow meter

4 Technical indicators
4.1 Electrical performance
    power supply: ≤ 3.0mA; DC ≤ 10V DC
    electrical connection: 0.2mm² four color 100mm silicon rubber flexible wire
    common-mode voltage output: 50% of current type input (typical value), 40% of voltage type input (typical value)
    input impedance: 2.7kΩ ~ 5kΩ
    output impedance: 3.0kΩ ~ 6kΩ
    response time (10% - 90%): < 1ms
    insulation resistance: 500MΩ / 100V DC
    allowable overvoltage: 1.5 times of full scale
4.2 Structure performance
    diaphragm material: stainless steel 316L
    shell material: stainless steel 316L
    pin lead: silicone rubber flexible wire
    sealing ring: NBR, FKM (optional)
    net weight: about 38g
4.3 Environment condition
    vibration: no change at 10gRMS, (20-2000) Hz
    constant acceleration: 100g, 11ms
    media compatibility: liquid or gas compatible with 316L and NBR (FKM optional)
4.4 Reference conditions
    medium temperature: (25 ± 3) ºC
    ambient temperature: (25 ± 3) ºC
    humidity: (50% ± 10%) RH
    ambient pressure: (86-106) kPa
    power supply: (1.5 ± 0.0015) mA DC
4.5 Standard range sensitivity output and optional pressure form
RangeFull scale output (mV)Typical valuePressure
form		 RangeFull scale output (mV)Typical valuePressure form
0~10kPa35~6045D0~400kPa60~8070D
0~20kPa70~11090D0~600kPa90~120100D
0~35kPa55~8070D0~1.0MPa80~120100D
0~70kPa55~8060D0~1.6MPa125~185150D
0~100kPa60~8575D0~2.0MPa50~7060D
0~200kPa65~8575D0~3.5MPa100~120110D
4.6 Basic parameters
ParametersTypical valueMax valueUnit
Full scale output80150mV
Zero output± 1± 2mV
Nonlinearity0.20.5%FS
Hysteresis0.050.08%FS
Repeatability0.050.08%FS
Input / output impedance2.65.0kΩ
Zero temperature drift
(note 1)		±0.4±1.0%FS, @25ºC
Sensitivity temperature drift
(note 2)		±0.4±1.0%FS, @25ºC
Long-term stability0.20.3%FS / year
Excitation current1.5 (the maximum input voltage can be 10V)mA
Insulation resistance500(100VDC)MΩ
Compensation temperature (note 3)0~50; -10~70ºC
Working temperature-40~+125ºC
Storage temperature-40~+125ºC
Response time≤1ms
Housing and diaphragm materialstainless steel 316L 
O-ringFKM, NBR, silicone rubber 
Measuring mediumFluids compatible with 316L, NBR or FKM or silicone 
Life (25 ºC)> 1 × 108 pressure cycle (80% FS)times
Filling mediumsilicone oil 
Sealing ringΦ 16 × 1.8mm (NBR or FKM (note 4)) 
Note 1 & 2. 0-10kPa zero temperature drift and sensitivity temperature drift: typical value is 0.5% FS @ 25 ºC, maximum value is 1.2% FS @ 25 ºC.
Note 3. compensation temperature 0~ 50 ºC for ranges ≤200kPa; - 10ºC~ 70 ºC for ranges >200kPa.
Note 4. temperature resistance range of viton seal ring is - 20 ºC ~ 200 ºC, low temperature performance is poor, When the temperature is lower than - 20 ºC, please verify before using.

5 Model structure selection
Cyx-20 Silicon Oil Filled Differential Piezoresistive Pressure Sensor 5.2 Selection Guide
Cyx-20 Silicon Oil Filled Differential Piezoresistive Pressure Sensor
6 Schematic diagram and wiring mode
Cyx-20 Silicon Oil Filled Differential Piezoresistive Pressure Sensor
IN + (red wire) - power supply positive IN - (black wire) - power supply negative
S + (yellow wire) - output positive S - (blue wire) - output negative
7 Application Tips
   The leading line end of the sensor is a high pressure end, and the other end is a low pressure end. The "H" and "L" marks on the sensor can also be used to identify the high and low pressure ends. During operation, the pressure added to the high pressure end should not be less than the pressure added to the low pressure end.
   Housing: the inlet end of assembly cavity should be designed with a conical angle, which is easy to assemble and prevent the right angle from scratching the sealing ring. The "floating" sealing structure of O-ring on the side wall is recommended for sealing the differential pressure sensor, which can avoid the front end being compressed and the stability being affected.
   Pay attention to protect the front and rear diaphragm and middle compensation circuit board, so as not to affect the performance or cause damage to the pressure sensor.
   During assembly, pay attention to the tolerance fit between the pressure sensor size and the inner shell of the transmitter. It is recommended that the cavity be processed according to + 0.02 - + 0.05 of the pressure sensor diameter to achieve the required air tightness.
   Avoid falling, crashing, etc., which will affect the stability of the product.
   In case of any change of pin lead, the label with the pressure sensor shall prevail.

Cyx-20 Silicon Oil Filled Differential Piezoresistive Pressure SensorCyx-20 Silicon Oil Filled Differential Piezoresistive Pressure SensorCyx-20 Silicon Oil Filled Differential Piezoresistive Pressure Sensor

You Might Also Like