Description
Honeywell 8C-PAIH54
Technical Specifications
- Brand: Honeywell
- Model: 8C-PAIH54
- Product Type: Industrial pressure measurement module
- Measurement Function: Pressure analog input
- Output Signal: 4-20 mA or 0-10 V, depending on configuration
- Supply Voltage: 12V to 36V DC
- Communication Options: HART or Modbus RTU via RS485, depending on configuration
- Protection Rating: IP65 / IP67, depending on configuration
- Operating Temperature Range: -40°C to +85°C
- Process Connection: G1/2, NPT1/2, or other options depending on configuration
- Mounting Method: Process mounting with compatible pressure connection
Functional Features
- Measures pressure, differential pressure, or related process variables.
- Converts measured values into standardized analog signals.
- Supports integration with PLC and DCS systems.
- Provides optional digital communication for configuration and diagnostics.
- Designed for industrial environments with dust, moisture, and electromagnetic interference.
- Supports flexible installation through multiple process connection options.
- Suitable for continuous process monitoring and control applications.
Application Scenarios
- Petrochemical and chemical process monitoring.
- Oil and gas production and processing.
- Power generation systems.
- Water and wastewater treatment plants.
- HVAC and building automation systems.
- Industrial pressure monitoring and control loops.
- Pipeline and tank pressure measurement.
- Process instrumentation integration with PLC or DCS systems.
Performance Parameters
- Output Signal: 4-20 mA or 0-10 V
- Supply Voltage: 12V to 36V DC
- Operating Temperature: -40°C to +85°C
- Protection Rating: IP65 / IP67
- Communication: HART or Modbus RTU
- Specific pressure range, accuracy, response time, overload pressure, burst pressure, isolation material, wetted material, dimensions, and weight should be verified against the product nameplate and official Honeywell documentation.
Material Composition
- Industrial-grade sensor assembly
- Pressure sensing element
- Signal conditioning circuitry
- Analog output circuitry
- Communication interface components
- Process connection fitting
- Protective housing
- Model, revision, and serial number labels
Structural Characteristics
- Compact industrial pressure module design.
- Provides analog output for connection to control systems.
- Includes process connection for direct pressure measurement.
- Designed for mounting near process lines, tanks, or equipment.
- Typically includes electrical connection terminals or cable glands.
- Housing provides protection against dust and water ingress.
- Exact wetted materials, connector type, and mechanical dimensions depend on the physical unit.
Working Principle
The 8C-PAIH54 senses pressure applied through its process connection. The internal sensing element converts the physical pressure into an electrical signal. The signal conditioning circuit processes the measurement and generates a standardized output such as 4-20 mA or 0-10 V. If equipped with digital communication, the module can also provide configuration, diagnostics, and additional measurement data to the host system.
Installation Requirements
- Confirm compatibility with the target process medium and pressure range.
- Verify the full model number 8C-PAIH54.
- Check the nameplate for pressure range, output type, supply voltage, and communication options.
- Select the correct process connection for the installation point.
- Ensure the process connection is properly sealed and tightened.
- Follow plant electrical safety procedures.
- Connect power and signal wiring according to plant standards.
- Configure HART or Modbus RTU parameters if digital communication is used.
- After installation, check output signal and system readings.
- Record the installation for maintenance traceability.
Precautions for Use
- Do not exceed the rated pressure, temperature, or voltage limits.
- Verify compatibility between wetted materials and the process medium.
- Protect the module from mechanical shock, vibration, and corrosion.
- Store spare modules in a dry, clean, and static-safe environment.
- Do not use modules with damaged housings, damaged process connections, or unclear labels.
- Perform functional checks after replacement.
- Refer to official Honeywell documentation for exact wiring, configuration, calibration, and environmental requirements.




