LED Digital Display DC0 100V 300V 600V Amperometer DC0 999MA 3A 5A 10A 50A 100A 300A 500A 1000A DC Voltage Current Dual Meter
- Category: Voltage Meters >>>
- Supplier: Shenzhen Yuanwangsheng Technology Co. Ltd.
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Product Overview
Description
Technical Parameters:
Supply voltage: 1,Standard meter:DC3.5 ~ 30V(Note:The maximum input voltage can not exceed 30V, or be burnt.) 2,Isolation meter:DC8-18V- Operating current:1,Standard meter: <20mA;2,Isolation meter: <200mA
Display mode: 0.39 "LED, Red for voltage,Green for currentDimensions: 70 × 40 × 30 mmInstallation opening: 68 × 38 mmMeasurement rate: ≥ 500mS / timeMeasurement accuracy: 1% (± 2 digits)
Features:- The difference bewteen the standard meter and the isolation meter:
(1) Standard meter:The negative of power supply and the testing side are connected. It need a independent power supply.
It can't be allowed more than two meters use one power supply.
(2) Isolation meter:The negative of power supply and the testing side are not connected.
They are isolated.It can be allowed more than two meters use one power supply.
- The wide power supply range, with reverse polarity protection.
- Display voltage and current on the screen at the same time.
Use the SMT technology,so consistency is very good.- With a back cover,safe ,reliable and dustproof.
The decimal point automatically shifted.With a voltage calibration potentiometer, current calibration potentiometer, you can calibrate by yourself. The tolarance is absolutely exist.Good anti-interference ability, showing the refresh speed.- With five wires,connection is convenient,used to monitor the battery voltage,can be also used for other products.
Connection Method:This meter is equipped with five wires, please find professionals in strict accordance with the following connection diagram, if any questions please feel free to contact customer service.Meter power supply: two-wire terminals- Black wire: Negative power supply.
- Red wire: Positive power supply.
Testing side: three-wire terminals
- COM: Test common terminal(The COM is commond negative of voltmeter and ammeter)
- V +: Test positive voltage input
- A +: Test positive current input. It can only be connect the load negative and load power negative, as shown below.
Suitable for "20A or less",no need a shunt:
Suitable for "more than 20A ,must need a shunt:
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