Tinycontrol
AC-meter - AC voltage sensor

AC-meter - AC voltage sensor

AC-meter is a ZMPT101B measuring transformer with operational amplifier. Sensor board prepared in two versions for measuring one or three phases of alternating voltage.

Technical specifications

Measurement range 0-450V
Maximum current drawn from the voltage source <1mA
Nonlinearity ≤0.2%
Supply voltage 5V (from Lan Controller)
Breakdown voltage (insulation) 4000V
Length of connecting cable 20cm