AC Voltage or Current True RMS Transmitter is a voltage and current measurement and acquisition module. It comes with standard Modbus RTU communication, supports transmission output, and features RMS measurement. AC Voltage or Current True RMS Transmitter is a data acquisition module with high measurement accuracy and stable performance.

Features

Three-terminal isolation between input, output and power supply

Multiple input signal options available

Integrates signal acquisition and transmission output

RMS measurement with a range of 1-460KHZ

High measurement accuracy, good stability and strong anti-interference capability

Capable of measuring RMS of various complex waveforms with high measurement bandwidth

01/

Inputs

0: 0～500V

1: 0～100V

2: 0～10V

3: 0～5A

4: 0～1A

5: 0~200mA

Note: Only one of voltage or current signals can be measured

02/

Outputs

0-5V

1-5V

0-10V

0-20mA

4-20mA

0-10mA

Communication

Standard Modbus RTU communication

Alarm

None

Other Detailed Parameters

Parameter Category	Specification Details
Comprehensive Measurement Accuracy	0.5 (0.3)*
AD Accuracy	24 bits
Transmission Accuracy	16 bits
DA Speed	10M SPS
Isolation Voltage	2000V AC for 1 minute between input, output and power supply
Temperature Drift	50ppm
Electromagnetic Compatibility	GB/T 18268 (IEC61326-1)
Ambient Temperature	0～50℃
Relative Humidity	≤85% RH, avoid exposure to highly corrosive gases
Power Supply	DC24V (±0.1V)
Power Consumption	≤2.4W
Overall Dimensions Width × Height × Depth	22.5 × 100 × 112mm
Mounting Structure	35mm DIN rail mounting

Model Selection Examples

Example 1:

Model: DK1300-0A5-4MA20-IL:0-IH:5-OL:4-OH:20-N

Description: This is a DK1300 isolated transmitter. It measures AC signals in the range of 0~5A, with an output signal of 4-20mA. The input range lower limit is 0A, input range upper limit is 5A; the output range lower limit is 4mA, output range upper limit is 20mA (when the input is 0A, the transmitted output is 4mA; when the input is 5A, the transmitted output is 20mA). No communication function is included.

Example 2:

Model: DK1300-0V500-0V10-S

Description: This is a DK1300 isolated transmitter. It measures AC signals in the range of 0-500V, with an output signal of 0~10V. The input range upper/lower limits and output range upper/lower limits are set to default values. Communication function is included.

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