Honeywell CC-PAIH51 l/O interface module

1. Product Description

The Honeywell CC-PAIH51 is typically identified as a pressure sensor or pressure transmitter, likely designed for industrial applications. It is used to measure pressure (which can be related to level, flow, or process pressure) and convert this measurement into an electrical signal, most commonly a 4-20mA analog output signal, which can be read by control systems, PLCs, or other monitoring devices.

While the specific model “CC-PAIH51” might not be the most widely documented publicly, based on Honeywell’s product lines, it likely belongs to a series used for measuring gauge pressure, absolute pressure, or possibly differential pressure. Its primary function is to provide accurate and reliable pressure measurement for process control and monitoring.

2. Product Specifications (Typical for this type of device - verify with datasheet)

• Measurement Type: Could be Gauge Pressure (relative to ambient atmospheric pressure), Absolute Pressure (relative to perfect vacuum), or Differential Pressure (difference between two points). The exact type for CC-PAIH51 needs confirmation.

• Pressure Range: Varies depending on the specific version, but common ranges might be from a few inches of water column (inH2O) up to several hundred psi (pounds per square inch). Check the datasheet for the exact range of this model.

• Output Signal: Typically 4-20 mA DC, two-wire loop-powered. May also offer optional outputs like digital signals (e.g., HART protocol) or other analog ranges.

• Accuracy: Specified as a percentage of the full-scale range (e.g., ±0.25% FS, ±0.5% FS). High accuracy is a common feature for Honeywell industrial sensors.

• Temperature Range:

• Operating Temperature: The range within which the sensor can function correctly (e.g., -40°C to +85°C or -40°F to +185°F).

• Measurement Temperature Range: The range of temperatures the sensor can measure without significant error (this might be wider than the operating range, but accuracy can be affected outside the operating range).

• Excitation Voltage: Typically 12-30 VDC for loop-powered operation.

• Overpressure Rating: The maximum pressure the sensor can withstand without damage, beyond its normal measurement range.

• ** wetted Parts Materials:** Sensor diaphragm and process connection materials (e.g., 316 Stainless Steel, Titanium, optional materials for specific chemical compatibility). This is crucial for chemical resistance.

• Process Connection: Various options like threaded connections (e.g., 1/4" NPT, 1/2" NPT, G1/4") or flanges.

• Housing Material: Often made of materials like anodized aluminum or stainless steel for durability and environmental protection.

• ** approvals:** May include certifications like ATEX, IECEx, CSA, FM for use in hazardous locations, and CE marking for the EU market.

(Note: These are typical specifications. Always refer to the official Honeywell datasheet for the exact CC-PAIH51 model details.)

3. Product Advantages

• High Accuracy and Reliability: Honeywell sensors are generally known for their precision and long-term stability in industrial environments.

• Robust Construction: Designed to withstand harsh industrial conditions, including vibration, temperature fluctuations, and potential exposure to chemicals.

• Wide Temperature and Pressure Ranges: Available in various configurations to suit diverse application requirements.

• Material Compatibility: Offers a selection of wetted parts materials to ensure compatibility with different process fluids and prevent corrosion.

• Loop-Powered Design: Simple 2-wire configuration is common, making installation easier and reducing wiring costs.

• Potential for Smart Features: May support digital communication protocols like HART, allowing for remote configuration, diagnostics, and enhanced process information.

• Global Support and Reputation: Backed by Honeywell’s global presence, technical support, and reputation for quality.

4. Precautions

• Correct Installation: Install the sensor according to the manufacturer’s instructions, considering orientation (for level applications), proper sealing, and appropriate process connections. Avoid installing in locations subject to excessive vibration unless specified.

• Material Compatibility: Ensure the wetted parts (diaphragm, housing, seals) are compatible with the process fluid to prevent corrosion, contamination, or failure. Consult material compatibility charts.

• Pressure Range: Never expose the sensor to pressures exceeding its maximum rated overpressure limit.

• Temperature Limits: Operate the sensor within its specified operating temperature range. Prolonged exposure to temperatures outside this range can damage the sensor or affect accuracy.

• Electrical Safety: Ensure correct wiring. Use appropriate power supply voltage. Follow all electrical safety procedures, especially when working in hazardous locations. Isolate power before maintenance.

• Zero and Span Adjustment: If adjustable, perform zero and span calibration correctly using known pressure sources if high accuracy is required. Some models may be factory calibrated and sealed.

• Hazardous Locations: Use only in hazardous locations if the sensor has the appropriate agency approvals (e.g., ATEX, IECEx, CSA) for that specific classification.

5. Product Applications

The Honeywell CC-PAIH51, as a pressure sensor/transmitter, finds application in numerous industries where pressure measurement is critical:

• Process Industries (Chemical, Petrochemical, Oil & Gas): Monitoring tank levels (via hydrostatic pressure), measuring pipeline pressure, controlling reactors, measuring filter differentials.

• Water and Wastewater Treatment: Measuring tank levels, filter differentials, pump discharge pressure, and flow measurement (in conjunction with primary elements).

• Power Generation: Monitoring boiler drum levels (differential pressure), feedwater pressure, lubrication oil pressure, and various auxiliary system pressures.

• Food and Beverage: Measuring tank levels, process line pressures, and CIP (Clean-In-Place) system pressures, often requiring hygienic versions.

• Pharmaceuticals: Monitoring and controlling pressures in reactors, storage tanks, and filtration systems, often requiring clean and reliable sensors.

• Manufacturing and Automation: Monitoring hydraulic and pneumatic system pressures, tank levels in various processes.

• HVAC/R: Measuring pressures in refrigeration systems, chilled water systems, and air handling units.

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