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Main Features: ● Operating voltage: DC 4.5 - 30V ● Measure voltage: DC 0 - 100V ● Minimum resolution: 0.1V ● Measure current: 10A (direct measurement, built-in shunt) ● Minimum resolution: 0.01A ● Operating current: Less than 20mA ● Display: 0.28 inch LED 3-digital tube ● Display color: Red + green ● Dimensions: 48 x 29 x 21mm ● Mounting cutout: 45.5 x 26.5mm ● Refresh rate: About 500ms/times ● Measure accuracy: 1 percent (+/- 1 digit) ● Operating temperature: +/- 10 - 65 centigrade degree ● Operating humidity: 10 - 80 percent (non-condensing) ● Working pressure: 80 - 106 kPa ● Black line (thin): Vacant or buck circuit (module) negative ● Red line (thin): Power supply + ● Black line (thick): COM, common measuring ● Red line (thick): PW+, measuring terminal voltage input positive ● Yellow line (thick): IN+, current input + ● Suitable for automotive / electric cars / motorcycles battery monitoring or other products voltage current measurement ● Notice: The voltage between the thin red and thin black lines must be within DC 4.5-30V. The ammeter can only be connected to the negative of the device under test. 10A below ammeter (include 10A), built-in shunt, does not require external shunt. When the black thin line vacant, it is better to use insulating tape around the exposed part of the wire, to prevent short circuits. If just be used as a voltmeter, it is recommended that the yellow line and the black line were connected together, to prevent the ammeter digital flashing.
Weight and Size
Product weight: 0.016 kg
Package weight: 0.042 kg
Product Size(L x W x H): 4.80 x 2.90 x 2.10 cm / 1.89 x 1.14 x 0.83 inches
Package Size(L x W x H): 10.00 x 7.00 x 3.00 cm / 3.94 x 2.76 x 1.18 inches
Package Contents: 1 x Jtron 0.28 inch 3 Digit Red Green LED Display Voltmeter Current Meter