1、 Product Overview

The FD3051ST series intelligent monocrystalline silicon differential pressure transmitter is a high-precision, highly stable, and multi-parameter pressure measurement product that complies with the HART protocol. The digital technology used in this product is the latest application achievement in the field of sensor manufacturing, combined with internationally advanced single crystal silicon core design and manufacturing technology, for precise digital temperature compensation and nonlinear correction. LCD 4 and a half bit display, standard signal output, meets various on-site and control room observations. Reliable explosion-proof structure design and standardized signal output, with high accuracy and wide range coverage, suitable for precise measurement of fluid pressure. The HART375 manual operator can be used for digital communication, and the electromagnetic radiation meets the IEC801 standard.

2、 Main features

1. The range covers a wide range and can measure the liquid level, density, pressure/differential pressure, and flow rate in the fluid.

2. The sensor adopts digital compensation and nonlinear correction

3. IP65 protection design, suitable for harsh environments such as outdoor and outdoor environments

4. Fiber optic marking with exquisite and detailed appearance

5. Meet the requirements of GB3836 standard and obtain an explosion-proof certificate.

6. Digital circuit design, can be reset with on-site buttons,

7. Adjustable range ratio of up to 100:1.

8. The highest accuracy can reach 0.075% F.S

3、 Performance indicators

1. Range: 0-50Pa~3MPa (see selection table for details)

2. Pressure type: differential pressure

3. Single overload: 1.5 times the rated working pressure

4. Working pressure: static pressure 16MPa, 25MPa, 40MPa optional

5. Comprehensive accuracy: 0.075% F.S 0.1% F.S 0.25% F.S optional

6. Long term stability: 0.1% F.S/year

7. Working temperature: -20 ℃~80 ℃

8. Power supply: 12V~32VDC (recommended 24VDC power supply)

9. Output signal: 4mA~20mADC 1V-5VDC RS485 and other optional options

10. Communication protocol: MODBUS RTU protocol, HART protocol

11. Electrical interface: M20 * 1.5 (F) standard type, special customizable

12. Protection level: IP65

13. Explosion proof grade: Exd II C T6 Gb Ex ia II C T6 Gb Ex Td A21 IP66 T80 ℃

14. Warranty period: twelve months