FD820C embedded micro differential pressure transmitter is customized for micro-differential pressure detection in critical application environments. The digital technology used in this product is the latest application result in the field of sensor manufacturing. It performs precise digital temperature compensation and non-linear correction. It has functions such as high precision, high stability, multi-parameters, and online load pressure automatic clearing. It solves the problem of small-scale transmission. Device drift problem. Application: pharmaceutical factory clean work-shop, clean laboratory, electronic clean workshop, infectious disease room, hospital negative pressure, isolation ward, negative pressure operating room, ambulance.
Features
- Capable of measuring clean, dry, non - corrosive gases
- Flexible installation: wall - mountable or embeddable
- Multiple outer structures and output options
- Online load - pressure auto - zeroing
- Fully intelligent circuit board with no moving parts, stable and reliable
- Small size, beautiful appearance, high performance
Products Parameters
| 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 |
| Material | Glass |
| Warranty Period | 12 months |
Applications
- Suitable for gas micro-differential pressure monitoring in clean environments in the medical industry
- Used for precise measurement of differential pressure parameters in fume emission processes
- Meets micro-differential pressure control and environmental parameter monitoring needs in cleanroom facilities
- Adapts to pressure status monitoring in the negative-pressure environment of negative-pressure ambulances
Product Drawing
Electrical Interface Diagram

Packing and Shipping
FAQ
Q: How soon can you arrange your production?
A: Once getting your product confirmation and receiving the prepayment, the production will be started immediately.
Q: How long is the delivery time for the product?
A: We will provide a specific delivery time based on your order quantity. For orders of 1 to 30 pcs, the delivery time is approximately 2 to 7 working days.
Q: How do you control your quality ?
A: Full inspection process (Incoming Material Screening, Process Control, and Performance Verification) to ensure quality + good warranty service(1 year free to change a new one without any human damage factors).
Q: What certificates do you have ?
A: We hold 6 invention patents, possess certifications for CE, ATEX, and SIL, and are a member of the HART Protocol. And before the delievry of goods, quality and safety inspection certification issued by third parts also can be offered.
Q: What's your warranty terms?
A: We offer 12 months warranty time.
Q: Can you provide ODM/OEM & Customized service?
A: Yes, OEM and ODM are both available, we have the professional R&D dept which can provide professional solutions for you.