Current Sense
2. If the current exceeds 20A, a shunt must be used to work, even if it is 0.1A, otherwise it will burn out.
3. For currents above 20A, the shunt is not built-in and needs to be purchased separately.

Display mode: 0.39" LED, red represents voltage, green represents current
Dimensions: 70 x 40 x 30 mm
Mounting opening: 68 x 38 mm
Measurement rate: 500mS/time
Measurement accuracy: 1% (±2 digits)

Meter power supply: two-wire terminal
Black wire: negative pole of power supply.
Red wire: positive pole of power supply.
Test terminal: three-wire terminal
COM: Test common terminal (COM is the common negative pole of the voltmeter and ammeter)
V+: Test positive voltage input
A+: Test positive current input. It can only be connected to the negative pole of the load and the negative pole of the load power supply, as shown in the figure below.
Applicable to "20A and above,
Model: YB4835VA
DIY Supplies:
Size: 70*40*30mm
Working temperature: -10~+50 degrees
Accuracy level: 1% +/- 2 digits
Power supply: DC

Mounting hole: 68*38mm
Test voltage: DC0-100V/300V/600V