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SP38D UART Monosilicon pressure sensor

Brief introduction

SP38D-U use high stability monosilicon technology with built-in temperature compensation, intergrated high performance dual-channels ASIC with 24bit adc.

Calibration for zero and sensitivity of second-order temperature drift and third-order nonlinear to improve the temperature performance of the sensor. It's a comprehensive digital and intelligent sensor with UART output.

High overload and high static pressure can up to 40MPa. SP38D is suitable for all kinds of harsh environment, the working temperature is -40~85°C. It also has the characteristics of high precision, high stability and strong output signal.

Advantage

Accurate filling fluid technology.

Dual diaphragm overload structure.

High long term stability <±0.05%F.S./year.

Very low pressure and temperature hysteresis.

Bulit-in temperature sensor, dual-channels 24bit adc.

Optional for multiple isolation diaphragm material, widely meet the anti-aggressive requirements.

Compact design, easy encapsulation, standard UART bus.

Dynamic detect running status, Real-time output fault code.

One button to restore factory data.

Features

Power supply: 3.2V-3.6VDC@1.7mA

Hardware interface: 3.3V

Output data format: float (ABCD)

Data frame format: asynchronous 10, 11, 12bit

Baud rate: 4800HZ, 9600HZ, 19200HZ

Start bit: 1bit

Check bit: No check, odd check, even check

Stop bit: 1bit, 2bit

Working temperature: -40℃~ +85℃

Storage temperature: -50℃ ~+125℃

Temperature effect: <± 0.05% F.S.(-40~85℃)

Temperature hysteresis < ± 0.1% F.S.(10kPa ≤ Sensor range ≤ 10MPa)
                                    ± 0.5%F.S.(Sensor range < 10kPa)

Pressure hysteresis < ± 0.05% F.S.

Long term drift < ± 0.05% F.S./year

Non-linearity error < ± 0.05% F.S.(10kPa ≤ Sensor range ≤ 10MPa)
                           < ± 0.1%F.S.(Sensor range < 10kPa)

Static pressure affect: < ± 0.1% /10MPa(10kPa ≤ Sensor range ≤ 10MPa)

                                 < ± 0.15%/10MPa(Sensor range < 10kPa)

Diaphragm material: 316L/ hastelloy C

Mechanical connection for housing: 2 3/16-16 UNS, M56×1.5(M)

Industry application

Process control

Environmental control

Flow control

Hydraulic and pneumatic equipment

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