The Cermet II I.S hygrometer from Michell Instruments is an integral part of a new portable gas filling plant, developed by Dominion Gas. The Portable Gas Trans-fill System (PGTS) operates both on- and off-shore in the harshest of environments. It is thought to be the first of system of its kind.Dominion has a long history of using the Cermet II I.S, which made it a natural choice for the PGTS. The company has used the instrument in a variety of applications over a number of years, such as the monitoring of welding mixes, CNG and natural gas in both process and storage applications.
Designed for the measurement of the moisture content of flammable and non-flammable gases within hazardous areas, the unit comprises an intrinsically safe transmitter, Transmet I.S., and a safe area Control Unit. Housed in a stainless steel case, the Transmet I.S. transmitter offers ingress protection to IP66 (NEMA 4X).
The Control Unit is a 19" sub rack unit containing display, transmitter power supply and isolation barriers suitable for location in a designated safe area. It provides all necessary user interfacing, including multi-unit display, alarms, analogue and digital outputs. Control unit and transmitter are connected by up to 500m of cable via galvanic isolation barriers.
The Cermet II I.S is one of a wide range of dew-point and moisture measurement instruments and analysers manufactured by Michell Instruments. It is easy to install and self-contained, making it ideal for use in applications like the PGTS.
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