Cyx-12 12.6mm Silicon Oil Filled Piezoresistive Pressure Sensor

1 Summary    CYX12 series oil injection core pressure sensor adopts the international advanced high stability and high precision silicon pressure chip, adopts the sintering base of stress optimization design, and is produced by the process of patch, gold wire bonding, diaphragm welding, high vacuum oil injection, pressure circulation stress relief, high temperature aging, temperature compensation, etc.The product has excellent stability and excellent performance.    Miniaturization of the overall size of the user to meet the overall small size and design.It is used for pressure detection of compatible media with 316L stainless steel, nitrile rubber or fluororubber.2 Features    the measuring range is 0kpa ~ 600kpa100MPa    it has the form of gauge pressure g, absolute pressure a and sealing gauge pressure s    constant current power supply    isolated structure, suitable for a variety of fluid media    Φ 12.6mm pressure oil injection core    tantalum film can be customized3 Main uses    industrial process control                                             oil well monitoring    gas and liquid pressure measurement                         pressure detection and calibration instrument    pressure switch and hydraulic system                       internet of things for fire protection4 Technical index4.1 Electrical performance    power supply: ≤ 3.0ma    electrical connection: 0.2mm2 4-color 100 mm silicone rubber flexible conductor    common mode voltage output: 50% of current mode input (typical value)    input impedance: 2.7K Ω ~ 5K Ω    output impedance: 3.0k Ω ~ 6K Ω    response time (10% ~ 90%): < 1ms    insulation resistance: 500M Ω / 100V DC    allowable overvoltage: 1.5 times of full scale4.2 Structure performance     diaphragm material: stainless steel 316L    shell material: stainless steel 316L    pin lead: Gold Plated Kovar    sealing ring: nitrile rubber, fluororubber (optional)    net weight: about 10g4.3 Environment condition    vibration: no change at 10grms, (20-2000) Hz    constant acceleration: 100g, 11ms    media compatibility: liquid or gas of 316L and NBR (optional fluororubber)4.4 Base conditions    medium temperature: (25 ± 3) ºC    ambient temperature: (25 ± 3) ºC    humidity: (50% ± 10%) RH    environmental pressure: (86 ~ 106) kPa    power supply: (1.5 ± 0.0015) MA DC4.5 Standard range sensitivity output and optional pressure formRangeFull scaleOutput (mV)Typical valuePressureform RangeFull scaleOutput (mV)Typical valueForm of pressure0~600kPa90~120100G/A0~10MPa180~230200S/A0~1.0MPa80~120100G/A0~25MPa140~170150S/A0~1.6MPa125~185150G/A0~40MPa230~280250S/A0~2.0MPa50~7060G/A0~60MPa100~160130S/A0~3.5MPa100~120110G/S/A0~100MPa100~150120S/A0~7.0MPa120~150135S/A    4.6 Basic parametersParametersTypical valueMaximumCompanyFull scale output100250mVZero output+ 1+ 2mVNonlinearity0.20.5%FSHysteresis0.050.08%FSRepeatability0.050.08%FSInput / output impedance2.65.0K OmegaZero temperature drift±0.4±1.0%FS,@25TemperatureSensitivity temperature drift±0.4±1.0%FS, @25ºCLong term stability0.20.3%FS / yearExciting current1.5(the maximum input voltage can be 10V)mAInsulation resistance 500(100VDC)M OmegaCompensation temperature-10ºC~70ºCTemperatureWorking temperature -40~+125TemperatureStorage temperature-40~+125TemperatureResponse time≤1MSShell and diaphragm material316L stainless steel O-ringFluororubber, nitrile rubber, silicone rubber Measuring mediumFluids compatible with 316L, nitrile rubber or fluoroelastomer or silicone rubber Life (25 ºC)> 1 × 108 pressure cycle (80% FS)secondFilling mediumsilicone oil Seal ringΦ 10 × 1.3mm (nitrile or fluorinated rubber note 1) Note 1: The temperature resistance range of fluororubber seal ring is - 20 ºC ~ 200 ºC. When the temperature range is lower than - 20 ºC, please select it carefully.5  Selection structure5.1 Model selection and outline drawing of core bodySeriesRangeModelOutline drawingCYX12600kPa~10MPaCYX120125MPa~100MPaCYX1202 5.2 Selection Guide   6 Schematic diagram and wiring mode   IN+ (red line) -Supply Positive         IN - (black line) - Supply Negative S + (yellow line) - Output Positive       S- (blue line) - Output Negative7 Application Tips    The "floating" sealing structure of side wall O-ring is recommended for the sealing mode of pressure core body, so as to avoid the compression of front end face and affect the stability of pressure core body.     Pay attention to protect the front diaphragm and the compensation circuit board at the back end of the pressure core body, so as not to damage the performance of the pressure core body or cause damage to the core body.    The core cavity of the shell shall be designed with a conical angle, which is easy for core assembly and can prevent the seal ring from being scratched by the right angle.    During assembly, pay attention to the tolerance fit between the core size and the inner shell of the transmitter shell. It is suggested that the cavity should be processed according to + 0.02 - + 0.05 o