Đồng hồ vôn kế và ampe kế có đèn LED xanh + đỏ 100V 10A

Giới thiệu Đồng hồ vôn kế và ampe kế có đèn LED xanh + đỏ 100V 10A

100V 10A DC Digital Voltmeter Ammeter Blue + Red LED Amp Volt Meter Gauge
Features:
Dual-color digital display(red for Voltage and Blue for current), bright LED, easy to read
Voltage measuring range: dc0-100v; current measuring range: 0-100a(decimal point move automatically)
Flexible power supply, can use both isolated and non isolated power supply for powering up the meter
With reverse connection protection to avoid burning for reverse connection
Ground wire of testing end and power supply terminal is the same wire; quick refresh

Description:
Display voltage and current simultaneously in different colors, red for voltage, blue for current.(the current is measured in the negative rail).
Require external power supply; With reversed connection protection.
Ground wire of testing end and power supply temninal is the same wire; quick refresh of about 500 ms/time

Specification:
Material: plastic
Color: red, blue
size: 48×29×21 mm
Working voltage: 4.5-30V DC
Note: The maximum input voltage can not exceed 30V, otherwise there is the danger of burning
Working current:≤20mA
Display: 0.28" Two color blue and red
Measuring range: DC 0-100V 0-10A
Minimum resolution (V): 0.1V
Refresh rate: ≥100mS / times
Measure accuracy: 1% (± 1 digit)
Minimum resolution (A): 0.01A
Operating temperature: -15 to 70° c
Working pressure: 80 to 106 kPa

Package includes:
1 x 100V 10A DC Digital Voltmeter Ammeter

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Giá REM