Trek Model 156A Charged-Plate Monitor System is designed to provide quantitative measurements of the effectiveness of air ionization systems, as to audit ionizer performance. Model 156A features two modes of operation, a decay mode with easy-to-program start and stop voltages, and a float mode.
Range:0 to ±1100 V DC or peak AC.
DC Accuracy:Better than 0.1% of full scale
Output Impedance:Less than 0.1Ω
Small Signal Bandwidth (-3 dB):DC to 1 kHz
Large Signal Bandwidth:DC to 10 Hz