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Single Phase Voltage Sensor Voltage Transformer Active Module For Arduino Feature: A01B active output single-phase AC voltage transformer module Onboard precision op amp circuit, the signal for precise sampling and appropriate compensation function Can be measured within the 250V AC voltage corresponding to the analog output can be adjusted The output signal is a sine wave, it can be used for AD sampling. Specifications: PCB board size: 50 x 19mm Rated Input Current: 2mA Retardation (rated input): "20' (input 2mA, sampling resistance 100Ω) The linear range: 0 ~ 1000V Isolation voltage: 4000V Operating temperature: -40 ° C- + 70 ° C Supply voltage (VCC): 5-30V Output voltage: 1 / 2VCC Package includes: 1 x Single Phase Voltage Sensor