Product Description

Overview

The Foxboro 11AH-BS2 Absolute Pressure Transmitter provides precise pneumatic pressure measurement for demanding industrial processes. It is part of the well-established Foxboro 11A Series, a lineup trusted for its long-term stability and dependable operation. Moreover, the force-balance differential pressure cell enhances measurement repeatability, ensuring reliable performance in harsh and continuous-duty environments. In addition, technicians appreciate its convenient on-line calibration, which helps reduce downtime and improve field efficiency.

Technical Specifications

Model – 11AH-BS2
Series – Foxboro 11A Series
Type – Absolute Pressure Transmitter (Pneumatic)
Measurement Principle – Force-balance differential pressure cell
Output Signal – Standard pneumatic 3–15 psi
Span Adjustability – Up to 10:1
Calibration – On-line with vernier range adjustment
Accuracy – ±0.25% of span (typical)
Operating Temperature – –40 °C to +85 °C
Humidity Range – 5% to 95% non-condensing
Construction – Rugged industrial housing
Certifications – Industrial instrumentation compliance
Country of Origin – USA
Application Industries – Oil & gas, refining, chemical, power, pulp & paper, steel mills

FAQ

Q1: What measurement principle does the Foxboro 11AH-BS2 use?
It uses a force-balance differential pressure cell designed for long-term stability and repeatability.

Q2: What type of output signal does this transmitter provide?
The transmitter generates a standard pneumatic 3–15 psi output used in many control systems.

Q3: Can the span range be adjusted in the field?
Yes, technicians can adjust the span up to 10:1 depending on the application.

Q4: Does the 11AH-BS2 support on-line calibration?
Yes, on-line calibration is supported through its vernier adjustment mechanism.

Q5: Which industries commonly use this Foxboro model?
It is widely used in oil & gas, chemical processing, refineries, power generation, and pulp & paper plants.