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Contact us
Telephone:(852) 2838 3620
Email:sales@silverwing.com.hk
Address: Unit 2, 4/F, Kwai Cheong Centre, 50 Kwai Cheong Road, Kwai Chung, New Territories, Hong Kong
SANICO announces new pressure sensor
Source:
Time:2017-11-03 10:30:17
views:
Barometric pressure sensor is used to measure the absolute gas pressure of the instrument, mainly for gas pressure related physical experiments, such as gas laws, but also in biological and chemical experiments measured dry, non-corrosive gas pressure. Air compressor pressure sensor The main sensing element is a sensitive to the pressure sensor within the thin film and a thimble open the circuit, it is connected to a flexible resistor. When the pressure of the gas under test is reduced or increased, the film deforms the thimble and the resistance of the resistor will change. The resistance of the resistor changes. Obtain 0-5V signal voltage from the sensor, after A / D conversion by the data collector to accept, and then the data collector to the appropriate form of the results sent to the computer.
一、SANICO pressure sensor structure
二、 SANICO pressure sensor and other characteristics of the brand comparison:
Type
2SMPB-02A
BMP280
HSPPAD042A
Sensing Method
Piezo resistive
Piezo resistive
Piezo resistive
Size
2.0×2.5×0.85mm
2.0×2.5×0.95mm
2.0×2.5×0.9mm
Pressure Range
30~110kPa
30~110kPa
30~110kPa
Operating
Voltage
Min
1.71
1.71V
1.7V
TYP
1.8
1.8V
1.8V
Max
3.6
3.6V
3.6V
Operating Temp.
-40~85℃
-40~85℃
-40~85℃
Absolute Pressure Accuracy
±100Pa
±100Pa
±70Pa
Average
Current
(Low
Power)
mode
High Speed
Ultra Low Power
Low Power Setting
Typ.
4.1uA
2.74uA
1.8uA
Relative
Pressure Accuracy
(High
resolution)
mode
Ultra High Accuracy
-
-
Typ.
3.9Pa
±12Pa
±5Pa
RMS Noise
(High
resolution)
mode
Ultra High Accuracy
Ultra High resolution
High resolution setting
Typ.
1.3Pa
1.3Pa
1.3Pa
Interface
I2C(~400kHz)/
SPI(~400kHz)
I2C(~3.4MHz)/
SPI(~10MHz)
I2C 3.4MHz
DSP
×
×
×
ADC(bit)
24bit
20bit
17bit