Connect the red line of the three lines to the positive pole of the measuring system.ĥ. According to the current direction, the green line (+) and the black line (-) of the three lines are respectively screwed on the two small screws of the shunt.Ĥ. The shunt is connected to the negative pole of the measuring system (the shunt itself does not distinguish the direction, and the connection is fixed to the two large screw holes in the distributor.ģ. Connect the lines which are not connected well, and do not touch other places.Ģ. (The current range of 10A requires the external shunt connection process)ġ. Note: If the input voltage is more than 5V then please use the buck converter.ĬASE 2: Onboard Wiring Instructions for “Green” Wire connection Thick Black Wire (I-): the negative pole of current input (series connect on the power supply cathode) Thick Red Wire (I+): positive pole of current input (series connect on the power supply cathode)ĥ. Green Wire (VIN): positive pole of measuring signal input (0-100V)Ĥ. Thin Black Wire (GND): the negative pole of power supply input (4.5-30V, common ground with measuring signal)ģ. (Note: if the measuring signal is less than 30V and the power is adequate, can be the power supply of module)Ģ.
Thin Red Wire (VCC): positive pole of power supply input (4.5-30V) Use the followings guidelines according to your version.ĬASE 1: Onboard Wiring Instructions for “Yellow” Wire connectionġ.
yellow wire and Green wire ) with the same working functionality is available which will be shipped randomly. Note:There are two different wiring variants (i.e. The 3 wire harness is used for a ground that connects directly to the battery or supply ground of the load. This is a separate power supply that is isolated from the source, it is possible to use the same supply but it seems to affect the amp meter reading. This can be supplied anywhere from 6 volts DC up to 30 VDC. Small size, portable, the magnitudes of voltage and current are displayed on the same screen at the same time. One harness is to provide power for the meters, that’s the 2 poles with a RED and a BLACK lead. One thing to note is, this meter has 2 wiring harnesses. This meter will measure up to 100 VDC with a 0.1-volt resolution. This is 0.28-inch Digital Voltmeter Ammeter DC 100V 50A LED Amp Volt Meter With Shunt.
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