1. Introduction
The FRD Sensor FD3051ST Pressure Transmitter is designed for industrial process pressure measurement and is widely used in petrochemical, power, metallurgy, water treatment and automation applications.
With intelligent digital technology, FD3051ST provides stable and accurate pressure measurement while supporting flexible communication options for integration into industrial control systems.
2. Why Choose This Model?
Industrial pressure measurement often faces challenges such as unstable readings, zero-point drift, temperature-related errors and inefficient maintenance.
FD3051ST addresses these challenges with:
- High Accuracy: Up to ±0.05% F.S.
- Wide Measurement Range: 0.1 kPa to 40 MPa.
- Long-Term Stability: ≤0.1% URL / 3 years.
- Wide Operating Temperature: -40°C to 80°C.
- Smart Communication: HART and RS485 for system integration and maintenance.
3. Model Comparison Table
| Parameter | FRD Sensor FD3051ST | WIKA S-20 | H******l ST 800 |
|---|
| Product Type | Smart Pressure Transmitter | High-Performance Pressure Transmitter | SmartLine Pressure Transmitter |
| Measurement Range | 0.1 kPa to 40 MPa | 0.4 bar to 1600 bar | Model-dependent |
| Accuracy | Up to ±0.05% F.S. | Up to ±0.125% BFSL | Up to ±0.065% span |
| Pressure Type | Differential / Gauge / Absolute | Gauge / Absolute / Vacuum | Gauge / Absolute / Differential |
| Output Signal | Two-wire 4–20 mA + HART / RS485 | 4–20 mA / 0–10 V / 1–5 V, etc. | 4–20 mA |
| Communication Protocol | HART / RS485 | Model-dependent | HART |
| Process Medium | Liquids, Gases & Steam | Liquids, Gases & Vapors | Liquids, Gases & Steam |
| Power Supply | 12–32 VDC | 8–35 VDC | 11–42 VDC |
| Operating Temperature | -40°C to 80°C | Up to -40°C to 125°C | Model-dependent |
| Long-Term Stability | ≤0.1% URL / 3 Years | Model-dependent | Up to 0.02% URL/year |
| Protection Level | Model-dependent | Up to IP68 | Up to IP66 |
| Typical Applications | Petrochemical, Power, Metallurgy, Water Treatment, Process Control | Industrial & Process Applications | Oil & Gas, Chemical, Power, Process Industries |
| Warranty | 12 Months | — | — |
4. FRD Sensor FD3051ST OEM & ODM Customization Services
FRD Sensor provides flexible OEM & ODM customization services for FD3051ST based on pressure measurement and system integration requirements.
Key customization options include:
- Measurement range
- Pressure type
- Process connection
- Output signal
- Communication protocol
- Electrical interface
- Housing and mechanical configuration
- OEM labeling
These options help equipment manufacturers, engineering companies and system integrators efficiently integrate FD3051ST into different pressure measurement systems.
5. FRD Sensor FD3051ST Pressure Transmitter Measurement Accuracy Troubleshooting Guide
When FD3051ST shows abnormal readings or measurement deviation, follow these steps:
Step 1: Check the Power Supply
Verify that the supply voltage is stable and meets the transmitter's requirements.
Step 2: Check the Process Connection
Inspect the pressure connection, impulse lines and sealing for leakage or blockage.
Step 3: Check the Zero Point
Check for zero-point deviation under the specified reference conditions and perform zero calibration if necessary.
Step 4: Check Temperature Effects
Confirm that the ambient temperature is within the specified range and check whether temperature changes may affect measurement results.
Step 5: Check Output & Communication
Verify the 4–20 mA output and HART/RS485 communication, and check the range and configuration parameters.
If the issue persists, contact FRD Sensor for technical support.
6. Application Scenarios
7. Product Certifications
8.Conclusion
The FRD Sensor FD3051ST Pressure Transmitter combines high accuracy, wide measurement range, long-term stability and smart communication for demanding industrial applications. It provides a reliable pressure measurement solution for petrochemical, power, metallurgy, water treatment and industrial automation systems.
