1. Product Overview
The Walfront Pressure Sensor is a high-precision digital display LCD transmitter engineered for accurate measurement of various fluid and gas pressures. It incorporates advanced German diffused silicon core technology, ensuring exceptional stability and a rapid response time of just 8ms. This sensor is designed for robust performance in demanding industrial environments, providing reliable data for critical monitoring tasks.
Key Features:
- Precise Data Output: Accurately senses and transforms pressure information with high sensitivity and low temperature drift.
- Durable Construction: Crafted from aluminum alloy for exceptional durability and rust resistance, suitable for harsh industrial settings.
- Advanced Sensor Technology: Utilizes German diffused silicon core for unparalleled stability and a rapid 8ms response time.
- Wide Application Range: Ideal for measuring hydraulic pressure, oil pressure, air pressure, and water pressure across various industries.
- Excellent Media Compatibility: Compatible with hydraulic oil, air, and water, ensuring versatile performance in diverse environments.
2. Setup and Installation
Proper installation is crucial for the accurate and safe operation of your Walfront Pressure Sensor. Follow these guidelines carefully.
2.1 Unpacking
Carefully remove the pressure sensor from its packaging. Inspect the device for any visible damage that may have occurred during transit.
2.2 Electrical Connections
- Power Supply: The sensor requires a 24V DC power supply. Ensure the power source is stable and within the specified voltage range. Do not use outside the parameter voltage range to prevent damage to the device.
- Output Signal: The sensor provides a 0-10V output signal. Connect the output terminals to your monitoring or control system according to its specifications.
- Ensure all electrical connections are secure and properly insulated to prevent short circuits or electrical hazards.
2.3 Mechanical Installation
- Mount the sensor securely at the desired measurement point. Ensure the pressure port is correctly threaded and sealed to prevent leaks.
- Avoid applying excessive torque during installation, which could damage the sensor or the connection point.
- Ensure the sensor is positioned to avoid direct exposure to extreme vibrations or physical impacts.
Figure 1: General view of the Walfront Pressure Sensor, showing the digital display and threaded pressure connection.
3. Operation
Once installed and powered, the Walfront Pressure Sensor will begin measuring pressure and displaying the reading on its integrated LCD.
3.1 Powering On
Apply the 24V DC power supply. The digital display will illuminate and show the current pressure reading.
3.2 Reading the Display
- The LCD provides a clear, real-time indication of the measured pressure.
- The unit of measurement (e.g., Kpa) will be indicated on the display or in the system documentation. For this model, the range is 0-500Kpa.
- The display may have buttons for unit conversion or zero adjustment, if applicable to your specific model. Refer to the on-screen prompts or additional documentation for these functions.
Figure 2: Close-up view of the digital display, showing the screen and control buttons.
3.3 Output Signal Interpretation
The 0-10V output signal is linear with the measured pressure range (0-500Kpa). For example, 0V corresponds to 0Kpa, and 10V corresponds to 500Kpa. Your monitoring system should be calibrated to interpret this signal accordingly.
4. Maintenance
The Walfront Pressure Sensor is designed for low maintenance. Regular checks and proper handling will ensure its longevity and accuracy.
- Cleaning: Periodically clean the exterior of the sensor with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the housing or display.
- Inspection: Regularly inspect the electrical connections and pressure port for any signs of wear, corrosion, or leaks. Ensure the IP65 protection rating is maintained by keeping all covers and seals intact.
- Environmental Conditions: Operate the sensor within its specified ambient temperature (0%-95%RH, no condensation) and compensation temperature (-10℃~70℃) ranges to maintain optimal performance and long-term stability.
- Calibration: While the sensor offers excellent long-term stability (±0.1%F.S/Year), periodic calibration according to industry standards or your application's requirements is recommended to ensure continued accuracy.
5. Troubleshooting
If you encounter issues with your Walfront Pressure Sensor, refer to the following common troubleshooting steps.
| Problem | Possible Cause | Solution |
|---|---|---|
| No display or power | No power supply or incorrect voltage. Loose electrical connections. | Verify 24V DC power supply. Check all wiring and connections for security. |
| Incorrect pressure reading | Sensor not properly installed. Pressure range exceeded. Calibration required. | Ensure proper mechanical installation. Confirm pressure is within 0-500Kpa. Consider recalibration. |
| Output signal unstable | Electrical interference. Unstable power supply. Environmental factors (temperature fluctuations). | Check for sources of electrical noise. Ensure stable 24V DC power. Verify operating within compensation temperature range. |
| Leakage at pressure port | Improper sealing or damaged threads. | Re-tighten connection with appropriate sealant (if applicable). Inspect threads for damage. Replace if necessary. |
If the problem persists after attempting these solutions, please contact Walfront customer support for further assistance.
6. Technical Specifications
The following are the detailed technical specifications for the Walfront Pressure Sensor (Model: WALFRONTag8cuhlpbw-11, 0-500Kpa variant):
- Item Type: Pressure Sensor
- Material: Aluminum Alloy
- Power Supply: 24V DC
- Output Signal: 0-10V
- Pressure Range: 0-500Kpa (for this variant)
- Compensation Temperature: -10℃ to 70℃
- Ambient Humidity: 0%-95%RH (No Condensation)
- Cover Protection: IP65
- Pressure Type: Gauge Pressure, Absolute Pressure, Negative Pressure
- Zero Temperature Drift: ±0.01%F.S/℃ (Within Temperature Compensation Range)
- Sensitivity Temperature Drift: +0.03%F.S/℃
- Overload Pressure: 200%FS (Full Scale)
- Long Term Stability: ±0.1%F.S/Year
- Natural Frequency: 5kHZ~650kHz
- Response Time: 8ms
- Package Dimensions: 7.87 x 2.36 x 1.97 inches
- Item Weight: 11.2 ounces
- Manufacturer: WALFRONT
- Model Number: WALFRONTag8cuhlpbw-11
- ASIN: B0G846WYT3
- Date First Available: December 17, 2025
Figure 3: Detail of the sensor's label, indicating model, output, range, power, and accuracy specifications.
7. Warranty Information
Walfront products are typically covered by a manufacturer's warranty. For specific details regarding the warranty period, coverage, and terms and conditions for your Walfront Pressure Sensor, please refer to the official Walfront website or the warranty documentation included with your purchase. Retain your proof of purchase for warranty claims.
8. Customer Support
Should you require technical assistance, have questions about your product, or need to report an issue, please contact Walfront customer support.
- Online Support: Visit the official Walfront website for FAQs, support resources, and contact forms.
- Contact Information: Refer to your product packaging or the Walfront website for the most current customer service contact details (phone, email).
When contacting support, please have your product model number (WALFRONTag8cuhlpbw-11) and purchase information readily available.





