Single Phase Ammeter Digital  Programmable Display  AC Ammeter 1A/5A with 485 Communication

Features: 1. 4-bit high brightness red LED digital tube display. 2. Adopt true RMS measurement, with high accuracy and good stability. 3. The transformer ratio can be set by instrument keys on-site, easy and flexible to use. Specification:  Parameter Performance Signal input Voltage Range AC 100V/220V/400V/600V  Overload Duration 1.2 times, instantaneous: 2 times /1S Power ?1VA Frequency ?380k? Current Range AC 1A/5A Overload Duration: 1.2 times, instantaneous: 10 times/5S Power ?1VA Impedance ?20M? Frequency 45-65Hz Auxiliary power supply Default linear power supply: AC220V + 10% or injection crystal AC380V, power consumption < 3VA; Switching power supply: AC/DC85-265V, DC10-36V; power consumption < 3VA Relay output One way or two output, contact capacity: 5A/220VAC, 5A/24VDC Analog variable output Optional DC 0 ~ 20mA, 4 ~ 20mA, 0 ~ 5V, 1 ~ 5V, 0 ~ 10V RS485 communication Baud rate 2400~9600, data format N81, E81, O81, N82 Precision grade 0.2 level Display mode Digital display: 4 bit high brightness LED digital tube 0-9999 Environment Working temperature: -10~55?; storage temperature: -20~75? Security Insulation: signal, power, output terminal resistance to shell >5M? Withstand voltage: signal input, power supply, output > AC2KV Package list: 1 * Single Phase AC Ammeter