+GF+ Signet Blind Transmitters
Offer Low-Cost Options
Analog transmitters easily send process measurements from different areas in a plant
to a central programmable logic controller (PLC) where process control decisions
can be made based on transmitter feedback. Analog transmitters are great cost-saving
alternatives to single-point controllers. In situations where multiple sensing locations
are required, single point controllers’ costs can add up quickly. For OEMs measuring
several parameters in their systems, transmitters feeding to a PLC are the norm.
GF Piping Systems has been at the forefront of transmitter evolution with Signet
instrumentation. With standard 4-20mA-only option, relay outputs, and two channel
devices, the Signet line of industrial transmitters gives the OEM/end-user a wide
variety of choices. Mounting options have expanded to include integral, remote,
and ¼ DIN panel mount displays.
For the OEM market, GF has added a Multi-Parameter Controller which provides up
to six sensor inputs, four 4-20mA outputs, and relay outputs, in order to simplify
and lower overall costs to the OEM. For customers using central touch-screen displays,
another way to lower measurement costs is to return to basics with blind transmitters.
The Signet 2537 sensor with 4-20mA option combines the stability and reliability
of microprocessor-based transmitters along with reduced costs by eliminating unnecessary
displays. Low-cost sensing options include: Paddlewheel Flow Magnetic Flow pH/ORP
Conductivity/Resistivity Temperature Pressure
Call 1-800-848-1141 for more information or to schedule a visit with a technical
field representative.
Decontaminating Fluid Syststemsn
Unwanted water, particulate and gaseous contamination in fluid systems can severely
impact process efficiency and product quality. Utilizing the principles of mass
transfer and vacuum dehydration, the Pall HVP series portable oil purifiers effectively
and efficiently remove 100% of the free water and 80% to 90% (or more) of the dissolved
water from the fluid system. They will also remove 100% of the free and entrained
gases and up to 75% of the dissolved gases.
Highly efficient particulate removal can be achieved by using a single, Pall Ultipor
III style element rated at Beta X(c) = 1,000, in accordance with ISO 16889. Cleanliness
levels of ISO 16/14/12 (per ISO 4406:1999) or better are typical. The HVP employs
a programmable logic controller (PLC), which monitors and sequences its operation.
The PLC will automatically shut down the purifier in the event certain operating
limits are exceeded and initiate the purifier diagnostic alarm and help screen.
This will display all alarm conditions, probable cause of the alarm(s) and help
screens that delineate corrective measures to rectify them. An in-line temperature/water
sensor is mounted at the inlet of the purifier, which continuously monitors fluid
temperature and water content. It provides both local and remote monitoring capabilities
and can be programmed with various alarm points for temperature and water content.
These units are very portable and easy to install. They only require an inlet and
outlet connection to the fluid system and the appropriate power source – 480v/3Ph/60Hz.
There are no water or compressed-air line connections required. They will reduce
system wear; improve on-line and system performance; extend fluid life; and reduce
fluid disposal costs and environmental risks.
Call your local RHFS service center at 925.443.9800 for more information or to schedule
a visit with a field representative.
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Download this Issue: SEPTEMBER 2007

Tygon™ B-44-3 Food and Beverage Tubing is odor-free, taste-free and crystal clear.
NSF and FDA compliant, and handles most types of beverages, cooking oils, syrups,
juices, extracts, and preservatives. Call 1.800.848-1141 for more information.
Call 925.443.9800 for more information.
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