Trek 158A Charged Plate Monitor User Manual
Trek model 158a, Charged plate monitor
Typical Applications Include
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Performance evaluation of air ionization systems
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ESD Test Equipment
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ESD Audit Equipment
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Material Dissipation Testing
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Site Specific Contacting Voltage Measurement
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Static Charge Monitoring
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Voltage measurement of floor materials and footwear in combination
with a person (ANSI ESD STM97.2 and IEC 61340-4-5)
Features and Benefits
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Touch screen or function key control
Long battery life
User-friendly compact design with superior data collection and storage capability
Unique color graphics chart display
PC memory card port for ample data storage and easy data transfer
Programmable start and stop voltage for (+) and (-) decay time ionizer tests
0.1 V plate voltage resolution
Compliance to IEC 61340-5-1 and ANSI/ESD STM3.1
NIST-traceable Certificate of Calibration provided with each unit
TREK, INC. • 190 Walnut Street • Lockport, NY 14094 • USA • 800-FOR TREK
716-438-7555 • 716-201-1804 (fax) • www.trekinc.com • [email protected]
The Trek Model 158A Charged Plate Monitor is the premier instrument
to evaluate the performance of air ionization systems. It features a
user-friendly large 7 inch screen that is active through either touch-
screen control or corresponding function keys. The compact design
supports superior data collection and data storage capability. The data
is displayed in color and may be stored internally or can be easily
transferred to a USB flash drive or other USB device.
A charged-plate assembly is required and is sold separately (6 inch
charged-plate shown).
Key Specifications
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Monitored Voltage Range:
0 to ±1100 V DC or peak AC
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Bandwidth (-3 dB):
DC to 80 Hz
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Decay Mode Thresholds:
Programmable from 1 to
±1000 V in 1 V increments
The Model 158A may be ordered as a kit which
includes all items listed below.
- Model 158A Charged Plate Monitor
- 150 mm x 150 mm (6” x 6”) Charged Plate
- 25 mm x 25 mm (1” x 1”) Charged Plate
- Walking Test Adaptor Assembly
- AC Adaptor, 24v / 1.7a / 2.1mm Plug
- USB Type A Male To USB Type B Male Cable 6ft
- Power Cord For AC Adaptor
- Custom Patch Cord, ST-BAN-PL9’,ST-BAN-PL
- Charged Plate Handle
- Mini-Tripod For Charged Plates
- Model 158A Custom Carry Case
Trek Model 158A
Charged Plate Monitor