Voltmeter Ammeter DC 300V 100A:
Category: 2600312645 / 2604312645 - Volt + Current Meter
Specifications:
Display Color: Red & Blue LED (dual display)
Display: 0.28" LED digital
Operating Voltage: DC 4.5 - 30V
Measure Voltage: DC 300V
Measure Current: DC 100A
Refresh Rate: ≥500ms / times
Measure Accuracy: 1% (± 2 digit)
Operating Current: <20mA
Wire Length: 120mm
Terminal Wire Length: 120mm
CT Hole Diameter: 8.5mm (See arrow for current direction)
Measure Current: 100A (CT Current Transformer)
Operating Temperature: -10 to 65°C
Operating Humidity: 10 to 80% (non-condensing)
Size: 54 x 30 x 21mm
Product Features:
1.With a voltage calibration potentiometer, current calibration potentiometer, you can calibrate by yourself.
2.CT adopts the design of perforation type wire through the hole, without having to cut wires.
3.The positive and backward current can be measured, and the "positive" current is shown in the positive direction (the decimal point is always bright or not bright), and the "negative" current is shown in the reverse direction (the decimal point flashes slowly.
4.It can be tested two "completely isolated" devices. The voltage of A device, and the current of the B device. Or the voltage of device B, the current of A device.
5.With three wires, connection is convenient, easy connect to solar system/car/electric vehicle/motorcycle interior wires.
Calibration Method: After long-term use, due to component aging or environmental temperature changes caused by the error can be calibrated by the following methods, it is recommended to energize and then preheat more than 5 minutes before recalibration.
Current calibration:
In the condition of the half of actual measured current value, adjust the "amplitude modulation (or A)" potentiometer by the side of the transformer until it is consistent with the standard meter.
In the condition without current, use a screwdriver to adjust the "zero(or 0)" potentiometer behind the transformer until the decimal point of the ammeter flashes fast to the best; always bright or no light shows positive current, slow flashing shows negative current
If the test accuracy is very high, you can repeat the above two steps to get higher accuracy
Voltage calibration:
In the condition of the half of actual measured voltage value, adjust the voltage calibration potentiometer of the meter with the screwdriver until it is consistent with the standard meter.
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