FOXBORO ST-A 2AX+SGC – Industrial Product Description

Overview

The FOXBORO ST-A 2AX+SGC is a high-precision smart pressure transmitter designed for the I/A Series and ST Series control systems. It accurately measures differential or absolute pressure while maintaining exceptional long-term stability. Moreover, its robust design allows operation in harsh industrial environments, ensuring reliable performance over years of continuous use.

Technical Specifications

• Model: ST-A 2AX+SGC

• Type: Smart Pressure Transmitter

• System Compatibility: Foxboro I/A Series / ST Series

• Measured Variables: Differential or Absolute Pressure

• Signal Output: 4–20 mA DC with HART® digital communication

• Accuracy: ±0.075% of span (typical)

• Long-Term Stability: ±0.1% of URL per 5 years

• Range: Configurable depending on sensor capsule

• Turn-Down Ratio: Up to 50:1

• Isolation: Galvanic isolation between sensor and electronics

• Power Supply: 24 VDC nominal (11.9–42 VDC operating range)

• Fail-Safe Options: Configurable (hold last value or drive to preset)

• Communication Protocols: HART® standard, optional Fieldbus

• Operating Temperature: –40 °C to +85 °C

• Storage Temperature: –50 °C to +95 °C

• Humidity Range: 5% – 95% non-condensing

• Enclosure: Explosion-proof, weatherproof, IP65/IP67 rated

• Dimensions (H × W × D): 12 × 10 × 8 cm

• Weight: 2.5–3.0 kg

• Country of Origin: USA

FAQ

Q1: Can this transmitter measure both differential and absolute pressure?
Yes, the ST-A 2AX+SGC supports both differential and absolute pressure measurement.

Q2: Which communication protocols does it support?
It supports 4–20 mA output with HART® digital communication, with optional Fieldbus connectivity.

Q3: Is the module suitable for harsh industrial environments?
Yes, its explosion-proof, weatherproof design is rated IP65/IP67 for extreme conditions.

Q4: What is the warranty period for new units?
All new units include a 12-month replacement warranty.