RioRand DC Volt Amp Meter 2in1 Digital Amperemeter Voltmeter LED Tester Blue Red 0-100V/10A Car Battery Monitor
Features:Operating voltage:DC 4.5 ~ 30VMeasure voltage: DC 0 ~ 100VMinimum resolution(V): 0.1VMeasure current :10A (measure directly,built-in shunt)Minimum resolution(A): 0.01AOperating current: <20mADisplay color: Red and Blue (two-color display)Dimensions: 48 x 29 x 21mmMounting cutout: 45.5 x 26.5mmRefresh rate: about 500mS / timesMeasure accuracy: 1% ( 1 digit)Operating temperature: -10 to 65 cOperating Humidity: 10 to 80% (non-condensing)Working pressure: 80 to 106 kPaApplications:Suitable for automotive/electric cars/motorcycles battery monitoring or other products voltage current measurementWiring:Black line (thin): vacant or buck circuit (module) negativeRed line (thin): power supply+Black line (thick): COM, common measuringRed line (thick): PW+, measuring terminal voltage input positiveYellow 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 4.5-30VThe ammeter can only be connected to the negative of the device under test10A below ammeter (include 10A), built-in shunt, does not require external shuntWhen the black thin line vacant, it is better to use insulating tape around the exposed part of the wire, to prevent short circuitsIf 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 flashingPackage include:1x Digital Volt Ampere Meter