Choose an intrinsically safe, inline solution to reduce explosion risks, safeguard your staff, and protect your equipment. The SHAW SDT-Ex intrinsically safe dewpoint transmitter is expertly designed for manufacturing processes in industries such as petrochemicals, hydrogen production, and hydrocarbon processing.

Reliability and Accuracy

The SDT-Ex transmitter offers exceptional reliability and precision, measuring trace moisture content in dry compressed air and industrial gases. Using SHAW's proprietary ultra-high capacitance moisture sensing technology, the device achieves an impressive measurement accuracy of ±2 °C (±3.6 °F) dewpoint.

With a wide dewpoint range of -100 °C to +20 °C (-148 °F to +68 °F), the SDT-Ex is highly versatile and suitable for numerous applications.

Intrinsically Safe for Hazardous Environments

Certified intrinsically safe to ATEX and IECEx standards, the SDT-Ex is ideal for deployment in hazardous and explosive environments, ensuring safety and compliance.

Signal Integrity for Remote Applications

The transmitter delivers a linear, isolated 4-20 mA output signal with signal integrity maintained over distances up to 1,000 metres. This makes it a dependable choice for installations requiring remote monitoring in hazardous areas.

Efficient and Consistent Performance

With its compact, robust construction, the SDT-Ex is designed to withstand harsh conditions, ensuring continuous and precise moisture measurement to maintain product quality and operational efficiency.

Additional features include:

• Advanced electronics for consistent performance.
• AutoCal functionality for automatic calibration.
• Calibration traceable to National and International Humidity Standards (NPL) for added reliability.

Key Features of the SHAW SDT-Ex Dewpoint Transmitter

• 3-wire, 24 V, 4-20 mA dewpoint transmitter.
• Certified intrinsically safe to ATEX and IECEx standards.
• CE and UKCA approved.
• Accuracy of ±2 °C (±3.6 °F) dewpoint.
• Weatherproof IP66 rating (NEMA 4X).
• AutoCal functionality and open/short circuit detection.
• Multiple output configurations: °C dewpoint, °F dewpoint, ppm(V), g/m³, lb/MMSCF.

Whether you need to monitor trace moisture in industrial gases or ensure compliance in hazardous environments, the SHAW SDT-Ex offers a reliable, efficient, and intrinsically safe solution.