I2C, SPI pressure sensor and transducer is based on piezoresistive silicon pressure sensors packaged in a 316L stainless steel housing. The pressure sensor supports I2C and SPI interface protocols, may come in a 3.3 or 5.0Vdc supply voltage.
The sensing package utilizes silicon oil to transfer pressure from the 316L diaphragm to the sensing element. I2C SPI pressure sensor is designed for o-ring mounting. The pressure transducer is suitable for applications where compatibility with corrosive media is required.
A custom ASIC is used for temperature compensation, offset correction, and provides a digital output of 10~90% or 5~95%. The circuit exceeds the latest heavy industrial CE requirements.
Features: | Applications: |
* Low cost OEM * Pressure range:0-10Kpa…35Mpa * ±0.5% Total Error Band * Compatible with corrosive media * Standard mounting size * I2C or SPI Interface protocols |
* Process control * Fresh and waste water measurements * Medical instruments * Pressure transmitters |
Supply Voltage: 3.3Vdc | Ambient Temperature: 25°C (unless otherwise specified) | ||||||
Parameters | Min. | Typical | Max. | Notes | |||
Interface Type | I2C(ADDR,0X28H) | SPI (optional) | |||||
Accuracy(%FS) | -0.1 | ±0.05 | 0.1 | combined linearity, hysteresis and repeatability. | |||
Total Error Band(%FS) | ≤100Kpa | -1 | ±0.5 | 1 | includes calibration errors and temperature effects over the compensated range. | ||
>100Kpa | -0.5 | ±0.3 | 0.5 | ||||
Output Type | 10% — 90% (A type) | 5%-95%(B type) Optional | |||||
Zero Pressure Output | 666 | Count Hex | |||||
Full Scale Pressure Output(FS) | 399A | ||||||
Resolution–Pressure(%FS) | 0.008 | 14bits | |||||
Temp. Accuracy(℃) | -2 | 2 | over the compensated temperature range |
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Resolution–Temp.(℃) | 0.1 | 8~11bits | |||||
Operating Temp.(℃) | -40 | 125 | |||||
Compensated Temp.(℃) | ﹤40Kpa | 0 | 50 | ||||
≧40Kpa | -10 | 70 | |||||
Input Voltage(V) | 2.7 | 3.3 | 5.5 | ||||
Current consumption |
Non-Sleep | 2.7mA | default (See Note1) | ||||
Sleep mode | 2µA | optional | |||||
Load Resistance(KΩ) | 10 | ||||||
Insulation Resistance(MΩ/50V) | 50 | ||||||
Response Frequency(HZ) | 2K | ||||||
Pressure Range | 0-10Kpa…35Mpa | See ordering information | |||||
Overpressure | 7Mpa | 1.5X | |||||
Others except 7Mpa | 2X | ||||||
Media–Pressure | Liquids and gases compatible with 316L Stainless Steel | ||||||
Note1: Reduce response frequency can reduce the current consumption accordingly,Pls. contact factory if you want this option. |
CE Compliance:
EN55022 Emissions Class A&B
IEC61000-4-2(ESD): 8KV(air)/6KV(contact)
IEC61000-4-3 Radiated, Radio-Frequency Electromagnetic Field Immunity (3V/m, 80MHZ~1GHZ)
IEC61000-4-4 Electrial Fast Transient Immunity (1KV)
IEC61000-4-6 Immunity to Conducted Disturbances Induced by Radio Frequency Fields(150KHZ~80MHZ 3V Level)
IEC61000-4-9 Pulse Magnetic Field Immunity (100A/m Peak)
Ordering Information | |||||||
Model | Description | ||||||
ACD11 | Diameter 19mm O Ring mounting | ||||||
Code | Pressure Range | Gauge | Absolute | ||||
10K | 0-10Kpa | * | |||||
40K | 0-40Kpa | * | |||||
100K | 0-100Kpa | * | * | ||||
160K | 0-160Kpa | * | * | ||||
400K | 0-400Kpa | * | * | ||||
600K | 0-600Kpa | * | * | ||||
1M | 0-1Mpa | * | * | ||||
1.6M | 0-1.6Mpa | * | * | ||||
2.5M | 0-2.5Mpa | * | * | ||||
4M | 0-4Mpa | * | * | ||||
7M | 0-7Mpa | * | * | ||||
10M | 0-10Mpa | *(Sealed Gauge) | |||||
20M | 0-20Mpa | *(Sealed Gauge) | |||||
35M | 0-35Mpa | *(Sealed Gauge) | |||||
XX | Special | ||||||
Code | Pressure Reference | ||||||
A | Absolute Pressure | ||||||
G | Vent Gauge Pressure(W/O vent tube as default) | ||||||
S | Sealed Gage | ||||||
Code | Electrical | ||||||
1 | Connect Pins | ||||||
2 | Ribbon Cable(90mm as default) | ||||||
Example: | |||||||
ACD11 | 600K | G | 2 | Model:ACD11-600K-G2 | |||
19mm Sensor | 0-600Kpa | Vent Gauge | Ribbon Cable |