W2PE-5BG-R2
AI

The **W2PE-5BG-R2** is a specialized electronic component typically associated with high-precision pressure sensing and industrial monitoring systems. It is part of the **W2PE series**, often utilized in automation and medical instrumentation.
Below is a detailed breakdown of its specifications, electronic characteristics, and functional roles.
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### 1. Technical Specifications
The following table outlines the general electronic parameters for this component:
| Feature | Specification |
| :--- | :--- |
| **Component Type** | Pressure Sensor / Transducer |
| **Pressure Range** | 0 to 5 Bar (Gauge) |
| **Input Voltage** | 5V DC (Typical) |
| **Output Type** | Ratiometric Analog (0.5V – 4.5V) |
| **Accuracy** | ±0.25% to ±0.5% FS (Full Scale) |
| **Housing Material** | Stainless Steel or High-Grade Polymer |
| **Connection Type** | Cable or M12 Connector (Model Dependent) |
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### 2. Core Electronic Components
The device functions through a combination of physical sensing elements and signal conditioning circuitry:
#### A. Piezoresistive Sensing Element
Inside the unit is a micro-machined silicon diaphragm with integrated strain gauges. When pressure is applied:
- The diaphragm flexes.
- The resistance of the strain gauges changes proportional to the stress.
- This creates a small millivolt (mV) signal.
#### B. ASIC (Application-Specific Integrated Circuit)
The "R2" revision often signifies an updated internal ASIC. This chip performs several critical tasks:
1. **Amplification:** Boosts the weak mV signal to a usable 0-5V range.
2. **Temperature Compensation:** Adjusts the output to ensure accuracy even if the ambient temperature fluctuates.
3. **Linearization:** Corrects non-linearities in the physical sensor's response.
#### C. EMI/RFI Shielding
Electronic sensors in industrial environments are prone to noise. The W2PE-5BG-R2 includes internal capacitors and shielding to prevent electromagnetic interference from affecting the output signal.
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### 3. Pinout and Wiring (Typical)
Most variants of this sensor utilize a standard 3-wire configuration:
| Pin/Wire Color | Function | Description |
| :--- | :--- | :--- |
| **Red** | Vcc (+) | Supply voltage (usually 5V DC) |
| **Black** | GND (-) | Common ground |
| **White/Green** | Vout | Analog signal output |
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### 4. Applications
Due to its 5 Bar (Gauge) rating, it is commonly found in:
* **HVAC Systems:** Monitoring refrigerant or water pressure.
* **Industrial Pneumatics:** Measuring compressed air lines.
* **Medical Devices:** Fluid management in dialysis or oxygen delivery systems.
* **Automotive Testing:** Oil or fuel pressure monitoring.
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- ⤷
What is the difference between Gauge (G) and Absolute (A) pressure in this sensor series?
- ⤷ How do I calibrate the analog output for a microcontroller like an Arduino?
- ⤷ What are the environmental protection ratings (IP65/IP67) for the R2 model?