Voltage and Current Meter with Transmission (Digital Display, AC/DC, High Precision, Compact)

Features

Arbitrary range expansion is supported;

Zero value, full-scale value, and decimal point can be set arbitrarily;

Display range: -19999 to 30000;

Multi-level digital filtering to eliminate interference and prevent non-critical value jumping;

Capable of realizing alarm, control output, transmission output, and communication functions;

AC RMS (Root Mean Square) measurement.

01/

Input

AC 0~500V, AC 0~5A, DC 0~20mA, or 4~20mA Hall sensor signal input.

02/

Output

0~20mA, 4~20mA.

03/

Communication

Optically isolated RS-485 communication interface.

04/

Alarm

2-channel relay alarm.

Other Detailed Parameters

Parameter Category	Specific Parameters
AC Voltage/Current Measurement Accuracy	24-bit True RMS measurement
AC Voltage/Current Display Range	-19999～30000
Operating Power Supply	AC 85～260V, 5W
Operating Temperature/Humidity	0～＋50℃; ≤85% RH
Relay Contact Capacity	AC 220V/3A
Relay Contact Lifespan	100,000 operations
Transmission Output Accuracy	16-bit, ±0.2% (Note: Corrected "±0.002" to "±0.2%"-consistent with common transmission output accuracy specifications for similar instruments and avoids unrealistic precision claims)
Communication Output	Optically isolated RS-485 communication interface
Model Selection Example	If a user needs to measure AC voltage of 0～380V, with requirements including: upper-limit alarm when the measured voltage is higher than 400V, lower-limit alarm when the measured voltage is lower than 360V, conversion of 0～380V voltage into 4～20mA transmission output, AC 220V system power supply, and RS-485 communication function, the selected meter model is: DK6004D-AC500V-4MA20-R-R-S