Overview of DC Ammeter
SPA-96BDA series intelligent DC ammeter adopts advanced microprocessor for intelligent control. The measured value can be directly displayed locally or connected to a microcomputer through an RS485 serial interface to form a measurement and control system. The meter also has two passive alarm contact outputs (upper and lower limits) that can be set arbitrarily. Some instruments also have analog signal output interfaces to facilitate connection with remote RTU.
Application fields of DC ammeter
* Solar photovoltaic power generation system
* Communication room power distribution
* Industrial DC control system
* Metallurgical industry, electroplating industry, electrolytic industry
* Wind power system
* DC excitation system
Function introduction of DC ammeter
* Four-digit LED digital tube display, current display range -1999 ~ 9999, decimal point can be set;
* Optional RS485 or RS232 communication interface (Modbus-RTU) protocol, device address and baud rate can be set by the front panel keys;
* The bus current level can be set directly, and the DC ammeter can be used for DC systems with different current levels;
* Auxiliary power supply can choose DC12V, DC24V, DC48, AC / DC220V or other special specifications;
* Optional up to two relay alarm outputs and one analog output
10Adc ，超出10Adc需加分流器或传感器 * Current: The maximum direct input current is 0 ~ 10Adc. If it exceeds 10Adc, a shunt or sensor is required.
* Light weight, beautiful appearance, easy installation and strong anti-interference ability.
Selection code of DC ammeter
Examples of common specifications
Name: DC ammeter
Model: SPA-96BDA-A75-R-A1 (with shunt: 20A / 75mV)
Accuracy: ± 0.5%
20Adc/0 ~ 75mV Input: 0 ~ 20Adc / 0 ~ 75mV
20.00A Display: 0.00 ~ 20.00A
20Adc直流电流信号通过分流器转成75mV输入，LED数字显示直流电流，输出RS485通讯接口支持ModBus协议，辅助电源为AC220V，精度是0.5级。 Description: This DC ammeter is a 0 ~ 20Adc DC current signal converted into 75mV input through a shunt. The LED digitally displays the DC current. The output RS485 communication interface supports the ModBus protocol. The auxiliary power supply is AC220V and the accuracy is 0.5.
Detailed product introduction, please click to download SPA-96BDA DC ammeter.pdf