ABB PFTL101B 3BSE004185R1
This device is a highly accurate and reliable sensor designed for pressure measurement in demanding industrial applications, particularly in power generation, oil & gas, and chemical processes.
Manufacturer: Hitachi Energy (originally ABB)
Product Line: TRIO-PS® with TRIO-BARQ® Sensor Technology
Type: Digital Pressure Transmitter
1. Pressure Ranges
The specific model 3BSE004185R1 (PFTL101B) is typically associated with a specific range. Common ranges for the PFTL series include:
Lower Ranges: From 0 - 0.25 kPa up to 0 - 40 kPa (for differential or low gauge pressures).
Higher Ranges: Up to 0 - 25 MPa (≈ 0 - 3625 psi).
Important: The exact range is defined by the full order code. The "101B" in PFTL101B usually denotes a specific range, which for this specific article number is often 0 to 1.6 kPa (or similar very low differential pressure). Always verify the range on the device nameplate.
2. Output Signal
Primary: Digital (TRI-LOOP protocol). This is a proprietary digital communication protocol that allows for advanced diagnostics, configuration, and high-integrity signal transmission. It is designed to be highly noise-immune.
Analog Backup: 4-20 mA analog (HART® communication optional, often indicated by a separate suffix in the code, e.g., HA for HART). The analog output is active simultaneously with the digital signal.
3. Power Supply
Voltage: 10.5 to 45 V DC (standard for loop-powered devices).
The wide supply range ensures operation even with significant line voltage drops.
4. Accuracy
High Accuracy: Typically ±0.04% of the calibrated span (including linearity, hysteresis, and repeatability). This is an exceptionally high accuracy level, a key feature of the TRIO-BARQ® sensor.
Total Error Band: ±0.15% of URL (Upper Range Limit) under reference conditions, considering all influencing factors over one year.
5. Long-Term Stability (Drift)
Excellent Stability: A major selling point. Typically ±0.1% of URL per 5 years. This reduces the need for frequent recalibration.
6. Process Connections
Electrical: 1/2" NPT conduit entry.
Process: Varies by model. Common options include:
Low Pressure (this model): Often uses Barbed connections for plastic or rubber tubing (e.g., for air or gas pressure) or 1/4" NPT female.
High Pressure: 1/2" NPT, ANSI/ASME flanges (e.g., 1/4", 1/2", or 1").
Materials: Wetted parts are typically 316L stainless steel, Hastelloy C-276, or other alloys for corrosion resistance.
Summary and Typical Applications
The PFTL101B 3BSE004185R1 is a premium, high-performance pressure transmitter designed for applications where extreme accuracy, long-term reliability, and robust construction are non-negotiable.
Typical applications include:
Power Plants: Feedwater flow, furnace draft (differential pressure), steam pressure.
Oil & Gas: Critical process pressure and flow measurement.
Chemical & Pharmaceutical: Precise reactor pressure control, filtration monitoring.
Pulp & Paper: Batch digester pressure.
Any application requiring SIL 2/3 safety integrity level.
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