PSP-H Intelligent Pressure Transmitter Hersman Circuit Board

• Customization: Available
• Certification: CE
• Customized: Customized
• Model NO.: PSP-H
• Output Type: 4mA~20mA Two-Wire System +Hart
• Standard/High-Speed Output Mode: 12.5Hz/25Hz
• Sampling Rate: >20 Times /S
• ADC Resolution: 0.001%Fs
• Heating Points: 11t*15p
• Size: Diameter 19.5mm
• Hole Distance: 38.5mm
• Transport Package: Carton
• Origin: China
• Production Capacity: 100000

Product Description

The PSP-H Intelligent Pressure Transmitter by Hersman is designed for accurate pressure measurement in various industrial applications. Understanding the circuit board of this type of transmitter involves recognizing the key components and their functions. Here's a comprehensive look at what you might find on the circuit board:

Components of the PSP-H Pressure Transmitter Circuit Board

1. Pressure Sensor:

   • Type: Often a strain gauge, piezoelectric, or capacitive pressure sensor.
   • Function: Converts the physical pressure into an electrical signal.

2. Signal Conditioning:

   • Amplifiers: To boost the signal from the pressure sensor.
   • Filters: To eliminate noise and stabilize the signal.

3. Analog-to-Digital Converter (ADC):

   • Function: Converts the analog signal from the pressure sensor into a digital format.

4. Microcontroller or Digital Signal Processor (DSP):

   • Function: Processes the digital signal, performs necessary calculations, and manages communication with external systems.

5. Power Supply Circuit:

   • Function: Provides stable power to the circuit board. This may include voltage regulators, capacitors, and sometimes battery backup for uninterrupted operation.

6. Output Interface:

   • Types: Can include analog outputs like 4-20mA or other communication protocols.
   • Function: Sends the processed pressure measurement data to other devices or systems.

7. Calibration and Compensation:

   • Components: Includes calibration resistors, temperature compensation circuits, and adjustment components.
   • Purpose: Ensures accuracy by compensating for environmental changes like temperature variations.

8. Communication Interfaces:

   • Types: May include HART protocol, Modbus, or other digital communication standards.
   • Purpose: For configuration, calibration, or data communication with control systems.

Typical application:

• Wheatstone bridge

• Diffused silicon, composite silicon, sapphire, sputtered film

• Ceramic capacitive sensors (5V, E+H, etc.)

Main indicators:

• Power supply voltage: 12~32VDC

• Output type: 4~20mA two-wire system +HART

• Sampling rate: >20 times /s

• ADC resolution: 0.001%FS

• Heating points: 11T*15P

• Dot matrix LCD: 128*64

• Size: 61mm diameter, hole spacing 55mm