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

Download Datasheet

Model 280A CPM

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

Target Markets

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

Target Applications