PRECISE SENSORS UC451-20 Digital Pressure 000-01-2-BCD

( Brand: Precise Sensors ), ( Manufacturer Part Number: UC451-20 ), ( Part Type: Digital Pressure ), ( Country Of Origin: United States )

Review PRECISE SENSORS Digital Pressure Readout

The **Precise Sensors UC451-20 000-01-2-BCD** is a high-performance, digital pressure sensor designed for precision measurement and control applications where accuracy, reliability, and compact form factor are critical. Part of the UC451 series, this sensor combines advanced silicon-based capacitive technology with a robust digital output interface to deliver exceptional performance in demanding environments. Engineered for industrial, automotive, aerospace, and medical applications, the UC451-20 000-01-2-BCD operates within a broad pressure range of **0 to 20,000 psi (1379 bar)**, making it ideal for high-pressure systems such as hydraulic testing, fuel injection monitoring, pneumatic control, and fluid dynamics research. Its **BCD (Binary-Coded Decimal) output** provides a versatile and user-friendly digital signal, allowing seamless integration with microcontrollers, PLCs, and data acquisition systems via a simple 4-wire interface. The sensor features a **high-resolution output** with a typical accuracy of ** 0.25% of full scale**, ensuring consistent and repeatable measurements even under fluctuating conditions. Constructed from durable materials, including a **stainless steel housing** and a **ceramic diaphragm**, the UC451-20 000-01-2-BCD is resistant to corrosion, vibration, and temperature variations, operating reliably within a temperature range of **-40 C to 125 C**. Its **low hysteresis** and **fast response time** further enhance its suitability for dynamic pressure applications, where rapid changes in pressure must be accurately tracked. Additionally, the sensor s **compact and modular design** allows for easy installation in tight spaces, while its **overload protection** safeguards against sudden pressure spikes, extending its operational lifespan. Whether deployed in laboratory settings, industrial automation, or high-stakes engineering projects, the UC451-20 000-01-2-BCD delivers uncompromising precision, making it a cornerstone for applications where pressure measurement must be both exact and dependable.

The **Precise Sensors UC451-20 000-01-2-BCD** is a digital pressure sensor designed for industrial applications, particularly in environments requiring high accuracy and reliability. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Accuracy and Precision**

The UC451 series is known for its high-resolution output, with a resolution of up to 0.1% of the full-scale range. This makes it suitable for applications where precise pressure measurement is critical, such as in process control, HVAC systems, or medical devices.

2. **Digital Output (BCD Format)**

The sensor provides a digital output in binary-coded decimal (BCD) format, which simplifies integration with microcontrollers, PLCs, or data acquisition systems. This eliminates the need for analog-to-digital conversion (ADC) in many cases, reducing signal noise and improving reliability.

3. **Wide Measurement Range**

The UC451-20 000-01-2-BCD is designed for a pressure range of 0 to 20,000 mbar (or 200 kPa), which is versatile for many industrial applications, including vacuum, gauge, and differential pressure measurements.

4. **Robust Construction**

The sensor is built for industrial use, featuring a robust housing that can withstand harsh environments, including temperature fluctuations, vibrations, and exposure to moisture or dust (depending on the specific model variant). This makes it suitable for factory floors, outdoor installations, or automotive applications.

5. **Low Power Consumption**

Digital sensors like this typically consume less power than analog sensors, which can be advantageous in battery-powered or energy-efficient systems.

6. **Compatibility with Common Interfaces**

The BCD output is straightforward to interface with microprocessors or digital logic circuits, reducing the complexity of signal processing compared to analog sensors.

7. **Long-Term Stability**

High-quality pressure sensors from reputable manufacturers (such as Precise Sensors) often exhibit excellent long-term stability, with minimal drift over time, which is crucial for calibration-sensitive applications.

8. **Easy Calibration and Adjustment**

Many digital pressure sensors allow for software-based calibration or offset adjustments, which can simplify maintenance and ensure consistent performance over time.

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### **Cons**

1. **Limited Analog Flexibility**

Since the sensor outputs a digital signal, it cannot be directly interfaced with analog systems without additional conversion hardware (e.g., ADC modules). This may add complexity and cost in some setups.

2. **Potential Latency in Digital Systems**

Digital sensors may introduce slight delays in data acquisition compared to analog sensors, which could be a consideration in high-speed or real-time control systems.

3. **Cost**

High-precision digital sensors like this one are generally more expensive than basic analog sensors. The cost may be justified for industrial applications but could be prohibitive for low-budget projects.

4. **Dependence on Power Supply Stability**

Digital sensors require a stable power supply to maintain accuracy. Fluctuations in voltage or noise in the power line could affect performance, though this is true of most electronic sensors.

5. **Limited Customization**

The sensor s specifications (e.g., range, output format) are fixed based on the model. If your application requires a different range or output (e.g., SPI, I2C, or analog), you may need to source a different model or add external components.

6. **Potential for Signal Interference**

While digital signals are generally less susceptible to noise than analog ones, improper wiring or electromagnetic interference (EMI) could still affect the BCD output, especially in noisy industrial environments.

7. **Learning Curve for Digital Integration**

Developers unfamiliar with digital signal processing or BCD interfaces may require additional time to integrate the sensor into their systems, particularly if they are accustomed to working with analog sensors.

8. **Limited Availability of Documentation or Support**

Depending on the manufacturer, access to detailed technical support, datasheets, or application notes may vary. This could complicate troubleshooting or customization efforts.

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### **Conclusion**

The **Precise Sensors UC451-20 000-01-2-BCD** is an excellent choice for applications requiring **high-precision digital pressure measurement** in industrial or controlled environments. Its digital output simplifies integration with modern systems, and its robustness makes it suitable for demanding conditions. However, the trade-offs such as higher cost, limited analog compatibility, and potential integration challenges must be weighed against the benefits.

- Process control systems (e.g., in manufacturing or chemical plants).

- HVAC and building automation systems.

- Medical or laboratory equipment requiring precise pressure readings.

- Automotive or aerospace applications where reliability is critical.

For applications where **cost is a primary concern** or **analog compatibility is essential**, an analog sensor or a different digital sensor with alternative interfaces (e.g., I2C or SPI) might be more appropriate. Additionally, if the pressure range or output format needs to be different, exploring other models in the UC451 series or alternative brands may be necessary.

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### **Recommendation**

- Your application demands **high accuracy and digital output** for seamless integration with microcontrollers or PLCs.

- You are working in an **industrial or controlled environment** where robustness and long-term stability are priorities.

- The **cost is justified** by the sensor s performance and the value it adds to your system.

- You need **analog output** or a different interface (e.g., I2C, SPI).

- Your budget is tight, and you can compromise on precision.

- The pressure range or environmental conditions (e.g., extreme temperatures) require a different sensor model.

For most **precision-driven industrial applications**, this sensor is a strong choice. Always verify compatibility with your specific system requirements and consult the manufacturer s datasheet for detailed specifications.

Details:

Are not included with this equipment unless pictured and/or listed in the above. Fast and hassle-free. Precise Sensors UC451-20, 000-01-2-BCD Digital Pressure Readout:: This unit has minor cosmetic blemishes; however, this does not affect its ability to function properly. Hours / Location.

part #: uc45120 price

• $225.00

specifications tesmetequ:

• brand: Precise Sensors
• mpn: Uc451-20
• part type: Digital Pressure
• country of origin: United States

offer tesmetequ:

• started: March 3, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1

shipping tesmetequ:

• service: FedEx Ground / FedEx Home Delivery, FedEx Standard Overnight, FedEx Ground Economy
• transit: 2-6 Days
• cost: $24.07
• class: Standard, One-day, Economy
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seller tesmetequ:

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• city: Champaign, Illinois
• # reviews: 17457

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general tesmetequ:

• Test, Measurement Inspection > Test Meters Detectors > Other Test Meters Detectors
• condition: Used

returns tesmetequ:

• policy: Returns Accepted
• method: Money back
• time: 30 Days
• paid by: Buyer

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