Effect of Inter-channel Insulation
Inter-channel insulation, which is also called “isolator,” is an insulation function between input and output signals. Inter-channel insulation may be effective in cases where measured values are affected by other shifting inputs.
Checking the cell voltage of batteries connected in series
When measuring multiple channels simultaneously, if there is a potential difference between the GNDs of the measurement targets, a circuit is formed through the measuring instrument’s input GND. The formation of this circuit may cause the measurement to fail.
You can prevent noise from being transmitted from the input line and entering the circuit.
Without insulation, a circuit is formed through the internal GND, which may cause noise to enter the circuit.