157
Model 157
Now with Enhanced
Features!
Charged-Plate Monitor
Trek's Model 157 Charged-Plate Monitor offers greater provides high accuracy and virtually infinite impedance
accuracy, stability and bandwidth than conventional loading of the plate, while allowing the ion collecting
designs. It combines Trek's patented precision charge plate to be charged and monitored through the same
measurement capability with features that drive down small-diameter cable connection.
performance testing and maintenance costs.
Flexibility: The measurement capacitance is
Model 157 is suitable for semiconductor, disk drive, independent of the physical size and shape of the ion
LCD and many other manufacturing environments that plate. Therefore, the size and shape of an ion collecting
are sensitive to static charge. It can be used to test all plate, as well as the measurement capacitance, may be
types of ionizers including room ionization systems, AC customized to match a particular ESD-sensitive device
and DC blowers, nuclear ionizers, gun type ionizers, and within a manufacturing process, or be made to conform
pulsed DC ionizers. It is also useful in materials to the ANSI/ESD-STM3.1 standard test method.
evaluation for testing dissipative qualities.
Greater Bandwidth: Trek's technology also provides
Features include a user-friendly menu system with a greater bandwidth enabling "true" responses to be
clear and easy-to-read digital display, powerful graphics observed, avoiding the masking of results which can
display, manual or bar code reading capability for quick occur with other systems.
ionizer identification (and storage of associated tests
results), the capability of storing hundreds of ionizer Balance Tests: The Model 157 resolves 0.1 volts and
tests on board for later download and data analysis, features high accuracy with extremely low offset and
USB port for uploading/downloading test sequences drift, which is ideal for testing ionizers in facilities
an d t e s t r e s u lt s t o a c o m p ute r, op t i on a l requiring critical ion balance such as in GMR and TMR
thermohygrometer to record temp/humidity conditions, manufacturing areas.
and a lightweight static-dissipative enclosure for
optimum ease of transport. Discharge Tests: Start and stop voltages are
programmable in 1 volt increments.
Enhanced features now include the ability to store &
retrieve data as data points or graphs, the option to Ease of use: The Model 157 incorporates a userrecord operator comments for future reference, and the friendly menu system. Frequently used functions are a
addition of a "fast" data acquisition mode (1 ms/data keystroke away. A power ful graphics display
point) for rapidly-changing discharge events, to emphasizes important information and provides
complement the "normal" mode (10 ms/data point). operator prompts.
·
Store & retrieve data as
data points or graphs
· Record operator
comments for reference
·
"Fast" data acquisition
mode now available
· Ideal for monitoring
static charge in a
manufacturing facility
· Suitable for dissipative
testing of materials
Techn o l o gy: Trek's Mo d e l 157 e mploy s a Portability: Designed to be small and lightweight, this
revolutionary charged-plate monitor design that utilizes unit is easily moved within a facility.
an ultrahigh-impedance, high-voltage follower to
monitor the ion collecting plate voltage. This technique Battery Life: Features over 8 hours of battery life.
Measurement and Power Solutions
TM
www.trekinc.com
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