FD820C Embedded Micro Differential Pressure Transmitter: Solving Space, Measurement Stability & Integration Challenges
Product Details
FD820C differential pressure transmitter
,embedded micro pressure sensor
,cleanroom environmental monitoring device
The FRD Sensor FD820C Embedded Micro Differential Pressure Transmitter is designed for precise micro differential pressure measurement in cleanrooms, HVAC systems, medical equipment, laboratories, electronics manufacturing and industrial ventilation.
With a compact embedded design, it supports 4–20 mA, RS485, Relay and MODBUS RTU, making it suitable for space-constrained equipment and OEM system integration.
Micro differential pressure applications often face challenges such as limited installation space, unstable measurement, long-term accuracy drift and difficult system integration.
FD820C addresses these challenges with:
- Compact embedded design for space-constrained and OEM equipment.
- Stable measurement performance with accuracy up to ±0.5% F.S. and long-term stability of 0.2% F.S./Year.
- Flexible communication with 4–20 mA, RS485, Relay and MODBUS RTU.
- Wide measurement range from 0–100 Pa to 2500 Pa.
- Explosion-proof option: Ex ia IIB T6 Ga.
| Parameter | FRD Sensor FD820C | Honeywell DPTE1000 | Siemens QBM3120-25 |
|---|---|---|---|
| Product Type | Embedded Micro Differential Pressure Transmitter | Differential Pressure Transmitter | Differential Pressure Sensor |
| Pressure Range | 0–100 Pa to 2500 Pa | 0–1000 / 2500 Pa | 0–2500 Pa |
| Accuracy | ±0.5% F.S.; ±1.0% F.S. optional | ≤ ±1.0% F.S. | — |
| Operating Temperature | 0°C to 60°C | 0°C to 50°C | — |
| Power Supply | 16–32 VDC | 18–30 V AC/DC | 24 V AC/DC |
| Output Signal | 4–20 mA / RS485 + Relay | 0–10 V / 4–20 mA | 4–20 mA |
| Communication Protocol | MODBUS RTU | Analog Output | Analog Output |
| Explosion Protection | Ex ia IIB T6 Ga | — | — |
| Construction | Compact Embedded Design | Compact Transmitter Design | Compact Sensor Design |
| Typical Applications | Cleanrooms, HVAC, Medical Equipment, Laboratories, Electronics Manufacturing, Industrial Ventilation | HVAC, Ventilation, Building Automation | HVAC, Ventilation, Air Handling |
| Parameter | FD820C |
|---|---|
| Range | 0-100Pa~2500Pa |
| Pressure Type | Differential Pressure |
| Overload Capacity | Allows overload pressure 2 times and destroys pressure 4 times the sensor range |
| Accuracy | 0.5%F.S; 1.0%F.S(optional) |
| Long Term Stability | 0.2%F.S/Year |
| Operating Temperature | 0℃~60℃ |
| Power Supply | 16V~32VDC |
| Output Signal | 4mA~20mA DC,RS485+Relay |
| Protocol | MODBUS RTU |
| Explosion-Proof | Ex ia IIB T6 Ga |
| Ambient Temperature | Stainless Steel |
| Warranty Period | 12 months |
FRD Sensor provides flexible OEM & ODM customization services for FD820C based on different equipment and application requirements.
Key customization options include:
- Measurement range
- Output signal
- Communication protocol
- Mechanical configuration
- OEM labeling and equipment integration
These services help OEM manufacturers and system integrators integrate FD820C into micro differential pressure monitoring equipment efficiently.
When FD820C measurement accuracy is abnormal, follow these steps:
Step 1: Check Power Supply & Wiring
Verify the 16–32 VDC power supply, wiring and output signal.
Step 2: Check Pressure Connections
Check the high- and low-pressure connections for leakage, blockage or incorrect installation.
Step 3: Check Zero Point
Confirm that the transmitter has been correctly zeroed under the specified reference condition.
Step 4: Check Communication Settings
Verify the MODBUS RTU address, baud rate and communication parameters.
Step 5: Check Operating Conditions
Confirm that pressure and temperature are within the specified operating range.
If the issue persists, contact FRD Sensor for technical support.
The FRD Sensor FD820C Embedded Micro Differential Pressure Transmitter combines compact construction, stable measurement and flexible communication in one solution. It is suitable for cleanrooms, HVAC, medical equipment, laboratories and OEM equipment, providing a reliable solution for micro differential pressure monitoring.
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