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IIC Signal digital pressure sensor with low power dissipation

XT-194-2 is a small general-purpose pressure transmitter newly developed by our company. XT-194-2 has a built-in temperature compensation sensor, which can compensate the zero point error and temperature drift of the sensor signal, sensitivity error and temperature drift, and non-linearity error

in real time, and can output I2C digital signal without additional signal conditioning, with small size, simple installation, high cost performance, and accurate pressure measurement. Reliable. The internal circuit of the sensor

adopts anti-static and anti-surge design, which greatly enhances the field adaptability

  • Pressure Range 0~35Kpa
  • Supply voltage 3-5.5V DC
  • Output overall accuracy ±0.5%F.S -20~80℃ ±0.25%F.S @25℃
  • Repetitivenessy ≤0.1%F.S
  • Overload pressure 150%F.S
  • ESD Protection 2000V DC
  • Storage temperature -40~125℃
  • Operating temperature -40~100℃
  • Compensation temperature range -20~80℃
  • Long-term stability ±0.2%F.S/year
  • Temperature Drift Coefficient 0.01-0.08ppm/℃
  • Power-on tim 80ms
  • I2C Clock speed 50 typical 400KHz
  • Power dissipation ≤2μA

Features:

Low Power dissipation

High cost performance, accurate measurement, standard output

φ19mm*14.5mm sensor

Diaphragm, housing, pressure pipe material: 316L

Sealing ring: butyl cyanide

Product weight: about 20g

Specification:

Range

35Kpa~10Mpa

 

Overload pressure

1.5 × F.S.

 

Accuracy

Full scale: ±0.5%F.S. 

Room temperature: 0.2%F.S.

 

Output

I2C Bus protocol operating current

 

Work current

≈ 1.8mA(continuous collection)

 

Operating temperature

-20℃ ~ 80℃

 

Storage temperature

-40℃ ~ 125℃

 

Measurement frequency

2.5 ~600Hz

 

Communication method:

I²C

 

Electrical connection

Yellow :VCC; Red :GND; Blue :SDA; Green :SCL (customized)

 

Excitation current:

0—750uA

 

Data resolution:

24 digit

 

Power supply:

3V—5.5V

 

Acquisition rate:

2.5 time/S—2400/S

 

PGA:

1—255 times

 

I²C Clock rate:

Max 400KHz

 

Power dissipation

2uA