AMT-Ex Dewpoint Transmitter

AMT-Ex Dewpoint Transmitter

A robust solution for continuous moisture measurement in process gases and compressed air, featuring ultra-high capacitance aluminium oxide sensing technology. Certified intrinsically safe to ATEX and IECEx standards for use in hazardous areas.

Our AMT-Ex Dewpoint Transmitter is a compact 3-wire, 4-20 mA, loop-powered transmitter that offers continuous online moisture measurement across various dewpoint ranges from -110 °C to +20 °C — accurate to ±2 °C (±3.6 °F) dewpoint.

Its advanced RISC microprocessor circuitry provides high resolution and sophisticated self-diagnostics. Equipped with a unique AutoCal span correction feature, the AMT-Ex Dewpoint Transmitter facilitates field calibrations and span checks, ensuring optimal accuracy between laboratory calibrations. The rugged stainless steel construction provides protection to IP66 / NEMA 4X, with the transmitter’s electrical connections made via a secure industrial connector.

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Other Products and Services from Alpha Moisture Systems

SS-1 & SS-2 Sample Systems

SS-1 & SS-2 Sample Systems

Precision-engineered sample systems for continuous trace moisture measurement of process gas and dry compressed air, designed specifically for low-pressure systems.

The SS-1 operates with the sensor at atmospheric pressure, while the SS-2 operates at system pressure, both accommodating a maximum inlet pressure of 50 barg (725 psi). They include comprehensive pressure and flow control, sample filtration to remove particulates, an auxiliary inlet for a second sample or calibration gas, and an outlet for sample recovery or disposal.

Manufactured for durability and reliability, these systems offer a compact, easy-to-install design that comes fully assembled. Their modular build is ideal for panel, surface, or weatherproof mounting, and features high-quality stainless steel pipework and fittings, with all major components clearly labelled and a flow schematic displayed on the aluminium front panel.

SS-B Dewpoint Sample System

SS-B Dewpoint Sample System

    

Specifically engineered to regulate sample line pressure, enabling controlled and accurate trace moisture measurement in process gases and dry compressed air.

The SS-B Dewpoint Sample System delivers controlled and accurate trace moisture measurement in process gases and dry compressed air. It offers a low-cost, compact design that integrates essential components such as a pressure regulator, transmitter holder, and flow meter, capable of managing flow rates up to 5 litres per minute. Designed for wall mounting, the SS-B ensures optimal sampling conditions at atmospheric pressure, significantly enhancing the accuracy of dewpoint measurements.

Constructed with high-quality components including stainless steel fittings and a robust hammer-coated back plate, the SS-B provides dependable performance for a wide range of industrial applications. For specific requirements, our team can create custom-engineered solutions to meet precise analysis needs.

Alpha | CMH-P2 | Portable Chilled Mirror Hygrometer

Alpha | CMH-P2 | Portable Chilled Mirror Hygrometer

The accuracy of a laboratory standard hygrometer in a compact, transportable package. Equipped with a thermo-electric chiller for precise control of the chilled mirror temperature, this hygrometer is ideal for accurate measurement of trace moisture in gases.

The CMH-P2 Portable Chilled Mirror Hygrometer is a trusted choice for calibration engineers and manufacturing personnel, offering the Primary Standard Measurement Technique in a portable, self-contained unit. Perfect for troubleshooting, continuous monitoring, and convenient spot-check measurements, this hygrometer helps eliminate downtime, reduce maintenance costs and improve quality control.

Featuring a drift-free, highly durable chilled mirror sensor with minimal maintenance requirements, certified to National & International Humidity Standards, the CMH-P2 provides all the standard features of the CMH-RPC model in a portable form. With quick dry down, fast response and long battery life, accurate data can be collected for an entire shift or spot check measurements conducted over several days without needing to recharge the battery. The Automatic Balance Control function standardises and automatically corrects for contaminants, to ensure reliable measurements.

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Alpha Moisture Systems

Network House, 5 Lister Hill, Leeds, West Yorkshire, LS18 5AZ, United Kingdom

Alpha Moisture Systems has led trace moisture measurement for over 30 years, offering precision solutions like dewpoint hygrometers, transmitters, and sample systems. We deliver world-class products, bespoke engineering, and expert support. Contact us to discuss your needs.