Current Sense
High-precision 0.36-inch 5-digit LED display ammeter DC 0.0000-3.0000A/5mA/50mA with wire ammeter DC 4-30V

No need to isolate the power supply, just use the system utility power.
The overall dimensions are only 48mm*29mm*22mm
The measuring range is 0-3.0000A/50.000mA/5.0000mA.
Specification:
Working voltage: DC4-30V (5-12V regulated power supply is recommended
Reverse polarity protection: Yes
Measuring range: DC 0.0000-3.0000A / 0.0000-50.000mA / 0.0000-5.0000mA (optional)
Display color: red/blue/green (optional)
Shunt: integrated shunt, ready for use
Sampling rate: 300ms/time
Measurement accuracy: ±0.08%
Lead length: 4 wires (2 thin, 2 thick) 150mm (including terminals)
Input impedance: 10M ohms
Working current: 15mA
Resolution 0.1mA
Input impedance: 10 milliohms
LED size: 0.36 inch LED
Working temperature: -10～65℃
Dimensions: 47.65×28.82×22.20mm
Installation hole diameter: 45.5mm*26.5mm

1 * 5-digit ammeter
Batteries Included: No
Dimensions: 47.65x28.82x22.20mm
Working temperature: -10℃-65℃
Power supply voltage: 4-30V

Model: Amperemeter
Display Type: Numbers only
DIY Supplies: