CRMagnetics Catalog

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Introduction
CR Magnetics Analog Transducers are cost effective devices designed to be building
blocks for the designer who needs accurate and stable monitoring of electrical properties. The
product line includes Voltage, Current, Power, and Frequency measuring devices. Each product
is available with either a process level 0-5VDC output, or a process loop 4-20mA output. Self-
powered, loop powered, and supply powered devices are available. Calibration methods
include True RMS sensing for noisy or variable frequency, as well as Average Sensing for loads
run off utility power. Current sensing is available in split core designs so instrumentation can
be added without powering down electrical systems. Products can measure single phase, three phase, and
DC systems.
The DATA STREAM series of digital transducers are some of the industry’s most advanced devices to
measure and monitor electrical power systems. Available in multi-function and single function designs,
these products sense Voltage, Current, Power Factor, Real Watts, VARS, and Frequency in a
single compact package. The data is then sent over an RS485 bus to other digital based
systems for monitoring and controls. A simple command interface using short ASCII com-
mands tells the device to send its data. Full user control over baud rate, scaling, and
addressing is available. An optional Modbus design is also available for industry standard
control and data systems. All types of electrical systems can be measured, including single,
and 3 phase systems, as well as DC systems.
DATA STREAM DIGITAL TRANSDUCERS Page 11
ANALOG TRANSDUCERS Page 27
Electrical Monitoring Products
CR Magnetics Relays and Switches are engineered components designed to provide electrical
power system sensing with a switching action output. These components are available in a wide range of
configurations depending on your application needs. Proving go/no go switches, adjustable switches for
limit applications, and fully adaptable relay products for safety and lockout protections. CR Magnetics
also provides a full line of AC and DC level controls for a wide variety of applications including
motors, loop alarms, and process monitoring. A wide variety of packaging includes DIN Rail mount, panel
mount, and wire mounted versions.
RELAYS AND SWITCHES Page 59
For more advanced switching options
See our DATA STREAM products
3500 Scarlet Oak Blvd. St. Louis MO USA 63122 V: 636-343-8518 F: 636-343-5119
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