Features Multifunctional: The 4-20mA current transmitter has the characteristics of strong overload capacity, high accuracy, high isolation, high safety, low power consumption, and strong anti-interference ability. Conversion: SZT15-CH-420E AC current transmitter provides real-time isolated measurement of AC current in the grid or circuit, and converts it into a 0-5V/0-10V or 4-20mA DC current output signal Multiple Protections: Current Transformer is used for AC current monitoring, detection, current overload protection, and also as electronic switches for automatic control systems. Application: The current transmitter can be matched with various ADs to form a variety of digital centralized acquisition systems, or output to PLC to form an automatic control system, or matched with traditional analog and digital indicating instruments to display measured values. High Accuracy of Current Detection: The current transmitter is capable of mutual induction current monitoring, with high current detection accuracy, stable performance, safe isolation of input and output, and no need to connect DC to the circuit in series during measurement. Specification: Product Name: AC Current Transmitter Model: SZT15-CH-420E Power supply: Voltage output type, self-power supply does not require external current. Current output type requires external DC: 24V ± 10% Input feedthrough current (AC):  0-10A / 20A / 50A (SZT15 series)  0-100A / 150A / 200A (SZT20 series) Output Type (DC): Voltage output type: 0-5V/10V Current output type: 4-20mA Switch on minimum: 0.5±0.2A (round type) 1.5±0.2A (clamp type) Maximum current through current: 200%, the feed current cannot exceed 200% of the rated value Power consumption: ≤1W Tape: ≤1% Accuracy: ±1% Maximum leakage current: ≤0.1mA Linearity: 10%-100% Response time: ≤200ms Through the heart wire diameter: 0.35-20mm Working temperature: -20-60 °C Working humidity: 5-95% (no condensation) Housing material: self-extinguishing material ABS (Cycolac 94v-0) Insulation withstand voltage: 2000VAC 50/60Hz 1min Package list: 1 * AC Current Transducer Working principle: 1. Based on electromagnetic induction, inductive current will be generated when the current in the circuit changes. Transform large current into standard small current through transformer, 2. Through relevant signal processing circuit and output control circuit, the dc current signal of 0-5/10v or 4-20ma can be output and transmitted to the next level system. Package List