DU4 series - digital voltmeter [fast sampling, upper and lower limit alarm/RS485 communication/4~20ma]

Equipped with 4-20mA, RS485 communication output and output hysteresis setting, it improves the stability of instrument and system operation for true effective value measurement. The measurement range is 0-9999, and the button setting parameters and 4-digit LED digital display have high measurement accuracy, up to 0.3% accuracy of full range