Smart Wireless Monitors Temperatures In Plant

Emerson's Smart Wireless network using the Wirelesshart communications standard is contributing to process improvements at the Calgon Carbon plant in Blue Lake, California. The network provides continuous temperature measurements from a rotating catalyst kiln, where spent carbon particles are reactivated. Six Rosemount wireless temperature transmitters were installed to monitor temperatures in the kiln and transmit a steady stream of data, giving operators more information for controlling heat levels in each zone.

The wireless transmitters mounted on raised platforms on the surface of the kiln were connected to the existing thermocouples and the Wirelesshart self-organising mesh network was set up with a single Smart Wireless gateway. The six transmitters monitor temperatures in five zones of the kiln and at the outlet, communicating data reliably from the rotating kiln to the gateway, which then integrates the measurements in a host PLC.

Emerson offers a range of wireless field-instrumentation and plant-operations equipment, including Fisher position monitors, Rosemount Analytical and Machinery Health Management devices, and native wireless interfaces to AMS Suite predictive maintenance software, DeltaV digital-automation systems and Smartstart services.

Pressure And Temperature On The Record

The PRTC210 pressure and temperature recorder is compact, portable and easy to use.
New from MadgeTech, the PRTC210 is a pressure and thermocouple based temperature recorder with a 0.125in NPT fitting. The external thermocouple channel allows for insertion into a pipeline with a compression fitting, and the 0.125in NPT can be connected to a female fitting.

This provides an instant temperature and pressure response of what is flowing through the pipeline. The PRTC210 accepts thermocouple types J, K, T, E, R, S, B and N and is available with pressure ranges of 0-2, 0-6.9, 0-21, 0-34.5, 0-69 and 0-345bar.

The device can measure and record 21,844 readings per channel and has a battery life of up to 2 years. The PRTC210 is compact, portable and easy to use. It can be started and stopped directly from a PC, and its small size allows it to fit almost anywhere. As with all MadgeTech products, the data are downloaded and viewed using the MadgeTech software. The PrTC210 is priced at US $649.

Epoxy-Resin System Resists High Temperatures

Cures to a tough, strong solid with excellent long term durability and chemical resistance even when exposed to adverse environmental conditions. Master Bond has developed a high-temperature-resistant epoxy-resin system called EP121CL for service up to 260C The two-component optically clear low-viscosity epoxy-resin system features high thermal stability, superior electrical insulation properties and outstanding dimensional stability for casting, sealing, potting, encapsulation and impregnation applications.

Especially noteworthy are its mechanical properties of 83MPa in tensile strength, 119MPa in compressive strength, and its exceptional electrical insulation properties including, a volume resistivity greater than 30Tohm-cm, a dissipation factor of 0.020 at 1MHz and a relative permittivity of 3.34 at 60Hz. EP121CL is an elevated temperature curing epoxy resin system that passes NASA's low-outgasing test.

It cures to a tough, strong solid with excellent long term durability and chemical resistance even when exposed to adverse environmental conditions. There is no cracking or separation of properly cured EP121CL resin from metal, glass etc, over a wide temperature range. Having excellent optical clarity it can be used in optical and fibre-optic applications. The two components are storage stable and after mixing have a working life of 2-3 days at ambient temperatures.

EP121CL is also available in one component and thermally conductive versions. It comes packaged in premixed bipacks and cartridge/gun applicators for convenient dispensing as well as in pint, quart, gallon and 5 gallon containers. Master Bond has developed various "low outgssing" epoxy resin based adhesive systems manufactured with exceptionally high quality standards.

Master Bond's speciality low-outgasing systems include those that are optically clear, cryogenically serviceable, electrically conductive, thermally conductive/electrically insulative and high temperature resistant. Some formulations have been tested by NASA authorised facilities, whereas others have been independently tested.