1. Introduction
The FRD Sensor FD3051SDP Differential Pressure Transmitter is designed for accurate differential pressure measurement in industrial process applications. It is widely used for flow, liquid level, pressure difference and process monitoring in petrochemical, power, metallurgy, water treatment and new energy industries.
With a single-crystal silicon sensing element and fully digital temperature and pressure compensation, FD3051SDP provides stable and reliable differential pressure measurement under demanding operating conditions.
2. Why Choose This Model?
Industrial differential pressure measurement can face problems such as long-term accuracy drift, temperature-related errors, unstable readings and oil leakage.
FD3051SDP addresses these challenges with:
- High Accuracy: Up to ±0.05% F.S.
- Digital Compensation: Full digital temperature and pressure compensation.
- Long-Term Stability: ≤0.1% URL / 3 years.
- Wide Application Range: Suitable for liquids, gases and steam.
- Smart Communication: Supports HART and RS485 for configuration and system integration.
- Multiple Measurement Applications: Suitable for flow, level and differential pressure measurement.
3. Model Comparison Table
| Parameter |
FRD Sensor FD3051SDP |
WIKA DPT-10 |
H******l SmartLine STD800 |
| Product Type |
Smart Differential Pressure Transmitter |
Differential Pressure Transmitter |
Smart Differential Pressure Transmitter |
| Measurement Range |
0–0.1 kPa to 3 MPa |
Model-dependent |
-25 mbar to +207 bar |
| Accuracy |
Up to ±0.05% F.S. |
Up to ±0.075% of set span |
Up to ±0.035% of span; ±0.025% optional |
| Output Signal |
Two-wire 4–20 mA + HART / RS485 |
4–20 mA |
4–20 mA |
| Communication Protocol |
HART / RS485 |
Model-dependent |
HART / FOUNDATION Fieldbus / H******l DE |
| Process Medium |
Liquids, Gases & Steam |
Liquids, Gases & Steam |
Liquids, Gases & Steam |
| Power Supply |
12–32 VDC (24 VDC recommended) |
Model-dependent |
10.8–42.4 VDC for HART |
| Ambient Temperature |
-40°C to 80°C |
Model-dependent |
-40°C to 85°C |
| Long-Term Stability |
≤0.1% URL / 3 Years |
Model-dependent |
Up to 0.01% URL/Year for 15 Years |
| Typical Applications |
Flow, Level, Differential Pressure & Process Monitoring |
Flow, Level & Differential Pressure |
Flow, Level, Pressure & Process Control |
| Typical Industries |
Petrochemical, Power, Metallurgy, Water Treatment, New Energy |
Process Industry |
Oil & Gas, Chemical, Power, Process Industries |
| Warranty |
12 Months |
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FD3051SDP Key Product Parameters
| Parameter |
FD3051SDP Specification |
| Differential Pressure Range |
0–0.1 kPa to 3 MPa |
| Accuracy |
±0.05%FS, ±0.075%FS, ±0.1%FS, ±0.2 (0.25)%FS, ±0.5%FS at 25°C, full scale |
| Output Signal |
Two-wire 4–20 mA with HART digital protocol; RS485 protocol |
| Process Medium |
Liquids, gases, or steam |
| Power Supply |
12–32 VDC; 24 VDC recommended |
| Ambient Temperature |
−40°C to +80°C |
| Stability |
0.1% URL / 3 years |
4. FRD Sensor FD3051SDP OEM & ODM Customization Services
FRD Sensor provides flexible OEM & ODM customization services for FD3051SDP to meet different process measurement and system integration requirements.
Customization options include:
- Measurement range
- Pressure range
- Process connection
- Output signal
- Communication protocol
- Electrical interface
- Housing configuration
- OEM labeling
These flexible options help equipment manufacturers, engineering companies and system integrators integrate FD3051SDP into different industrial measurement systems.
5. FRD Sensor FD3051SDP Differential Pressure Transmitter Measurement Accuracy Troubleshooting Guide
When FD3051SDP shows abnormal differential pressure readings, follow these steps:
- Step 1: Check the Power Supply
Verify that the supply voltage is stable and within the specified operating range.
- Step 2: Inspect the Impulse Lines
Check for blockage, leakage, condensation or improper installation of the impulse lines.
- Step 3: Verify the Zero Point
Close the process connections and check whether the transmitter has zero-point deviation under the specified conditions.
- Step 4: Check Temperature & Compensation
Confirm that the operating temperature is within the specified range and verify the compensation settings.
- Step 5: Check the Sensing Element & Electronics
If the reading remains abnormal, inspect the sensing element and electronic module for possible faults.
If the problem persists, contact FRD Sensor for technical support.
6. Application Scenarios
7. Product Certifications
8. Product Drawing
9. Packing
10.Conclusion
The FRD Sensor FD3051SDP Differential Pressure Transmitter combines a single-crystal silicon sensing element, full digital temperature and pressure compensation, high accuracy and long-term stability to provide reliable differential pressure measurement for demanding industrial applications.
It is suitable for flow, level and differential pressure measurement across petrochemical, power, metallurgy, water treatment and new energy industries.
