GRAPHTEC midi LOGGER HV User Manual page 190

CHAPTER 4 Specification
Item
Withstand voltage
Insulation resistance
Common mode rejection ratio
S/N (Noise)
Frequency response
Filter
4-6
Between each input (-) terminal and each input (-) terminal
Between each input (-) terminal and GND terminal
Between Input Ch and GND terminal: 50MΩ or more (At DC500V)
90 dB or more (50/60 Hz; signal source 300Ω or less)
20 mV range: -40 dB or more (at +/- short)
Other range : -50 dB or more (at +/- short)
DC to 200 kHz (+1/-4 dB)
OFF, Line, 5 Hz, 50 Hz, 500 Hz, 5 kHz, 50 kHz
Attenuation -3 dB/Cutoff frequency
Slope 6 dB/oct
Description
: AC/DC 5400V 1 minute
: : AC/DC 5400V 1 minute