WEIKE Digital Current Tester Multimeter DC 100V Volt 50A Ampere Battery Monitor Gauge 2in1 Red/Blue 2-color LED Display Car Automotive 12V 24V +50A Shunt

product description:

• Operating voltage:DC 4.5 ~ 30V
• Measure voltage: DC 0 ~ 100V
• Minimum resolution(V): 0.1V
• Measure current :DC 50A (require external shunt)
• Minimum resolution(A): 0.1A
• Operating Current: < 20mA
• Display: three 0.28" LED 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% (plus or minus 1 digit)
• Operating temperature: -10 to 65 degree
• Operating Humidity: 10 to 80% (non-condensing)
• Working pressure: 80 to 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+

• 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

• 1 x Digital Volt Ampere Meter
• 1 x 50A/75mV Current Shunt

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