0.28" LED 4-Digital Dual-Display DC Ammeter Voltmeter - Black (Red Amp / Blue Volt / 0~100V / 50A)
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|Specification||Operating voltage: DC 4.5~30V; Measure voltage: DC 0~100V; Minimum resolution(V): 0.1V; Measure current: 50A (direct measurement, extra shunt needed); Minimum resolution(A): 0.01A; Operating current: <20mA; Display: 0.28" LED 3-digital tube; Display color: Red and Blue (two-color display); Dimensions: 48 x 29 x 21mm; Mounting cutout: 45.5 x 26.5mm; Refresh rate: about 500mS / times; Measure accuracy: 1% (+/- 1 digit); Operating temperature: -10C~65C; Operating Humidity: 10%~80% (non-condensing); Working pressure: 80~106 kPa|
|Features||Wiring: 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+; (Please refer to the wiring diagrams for more details); 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|
|Application||DIY projects; Suitable for automotive / electric cars / motorcycles battery monitoring or other products voltage current measurement|
|Packing List||1 x Digital volt ampere meter (12cm-cable)|
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|Quantity||3+ units||5+ units||10+ units|
|Rate||US$5.13 shipped||US$5.12 shipped||US$5.10 shipped|
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