Model 280A

Model 280A Charge Plate Monitor


Accurately Measures the Performance of High Frequency Ionizers

Simco-Ion’s Model 280A incorporates enhanced circuitry that enables it to more accurately measure the performance of high frequency AC ionizers, as well as pulsed DC ionizers and steady-state DC ionizers. The Model 280A can be used as a portable CPM and is capable for of up to 6 hours of operation on the internal battery before recharge.

  • Enhanced circuitry bandwidth to measure high frequency AC ionizers
  • Improved plate capacitance accuracy
  • User programmable test protocol
  • Delayed start
  • AC line input or battery operation
  • CPM comes with 6” detachable plate
  • Built-in temperature and humidity sensors
  • Onboard data archiving memory
  • Digital LCD display


For additional information on the 280A CPM or other ionization solutions for static control and particle contamination control, contact Sales Services.


Input Voltage 90-250 VAC 50/60 Hz @ 12W
Output Analog output through miniature jack, 1V corresponds to 10 kV
Start Voltage 1000V ±0.3% standard, adj. between 10-1000V in 1V increments
Stop Voltage 100V ±3% standard, adj. between 0-995 in 1V increments
Accuracy Electrometer ±0.1% reading, ±1.0V referred to input
Dimension 1W x 9L x 5H in. (27.9 x 22.9 x 12.7 cm)
Weight 12.5 lb (5.7 kg)
  • Signal Extension Cord (5')
  • Ground Extension Cord (10')
  • Replacement Battery
  • Detachable Plate (1" x 1")
  • Detachable Plate (6" x 6")
  • Carrying Case
  • Heavy Duty Tripod

Please refer to all the applicable industry standards for comprehensive electrostatic charge management on our Industry Standards page.

Target Markets

  • Electronics Manufacturing
  • Life Sciences
  • Back-end Semiconductor Processing
  • Front-end Semiconductor Processing
  • Flat-panel Display

Target Applications