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Geekcreit® 0.28 Inch Two-wire 2.5-30V Three-wire 0-100/500V Digital Display DC Voltmeter Adjustable Voltage Meter

4.81006

$8.99 /$10.97

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Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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Feature:
1. The wiring of this voltmeter is simple. The conventional two wires are used, the red is connected to the positive, the black is connected to the negative, and the reverse connection is protected.

2. Conventionally, no external working power supply is required, and the measuring voltage can be directly operated. The measuring voltage range is two-wire 2.50-30V, three-wire 100V.

3. Wide voltage operation, red 2.50V low and safe pressure up to 40V, more than 40V may be damaged.

4. When measuring voltages below 10V, two digits are displayed after the decimal point; when measuring voltages above 10V, one digit is displayed after the decimal point.

Measuring range	Two-wire DC2.50~32.0V / three-wire DC0-100V
Power supply range	No need to supply power separately. The measured voltage <40V, higher than 40V may be damaged.
Test accuracy	±1%. >10V error ±0.1V; <10V ±0.03V
Input resistance	>50KΩ
Working current	<30mA
Refresh rate	About 100mS once
Display specification	Three digit 0.28 LED digital tubes
Lead length	Default 20cm
Dimensions	30 x 11.5 x 9 mm
Hole Size	Pitch: 26mm Aperture: 2.4mm
Net weight	4g
Operating temperature	-10 to +80 °C
Working humidity	10 to 80%
Working pressure	80 to 106 kPa

Package includes:
1 x Voltage meter

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Geekcreit® 0.28 Inch Two-wire 2.5-30V Three-wire 0-100/500V Digital Display DC Voltmeter Adjustable Voltage Meter

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Bakhtjamal VIP3
AE
05/01/2020

amazing really

amazing really

amazing really
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BoetieJan VIP3
ZA
05/11/2020

Was not as small as i expected. Still works great.

Was not as small as i expected. Still works great.

Was not as small as i expected. Still works great.
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Q:
Does it have reverse polarity protection?

a-t-il une protection d’inversion de polarité ?
Does it have reverse polarity protection?

A:

According to the "Features" section it does. Here's what is says (I think it applies to the 2-wire low voltage version only): 1. The wiring of this voltmeter is simple. The conventional two wires are used, the red is connected to the positive, the black is connected to the negative, and the reverse connection is protected.

According to the "Features" section it does. Here's what is says (I think it applies to the 2-wire low voltage version only): 1. The wiring of this voltmeter is simple. The conventional two wires are used, the red is connected to the positive, the black is connected to the negative, and the reverse connection is protected.

Answered by BG414616934 on 02/01/2024Helpful (0)
0

Q:
taken 2 out of pack.dont work.black and red wire ? red wire?on site it show wires on other terminals

taken 2 out of pack.dont work.black and red wire ? red wire?on site it show wires on other terminals
taken 2 out of pack.dont work.black and red wire ? red wire?on site it show wires on other terminals

A:

If it has only 2 wires, and you connected the red to + and the black to - then you could have a defect. Most likely you have it connected backwards. I would suggest you confirm the voltage and polarity with a Volt meter. If it reads more than 40 volts you may have destroyed it.

If it has only 2 wires, and you connected the red to + and the black to - then you could have a defect. Most likely you have it connected backwards. I would suggest you confirm the voltage and polarity with a Volt meter. If it reads more than 40 volts you may have destroyed it.

Answered by BG414616934 on 02/01/2024Helpful (0)
0

Q:
so the 500v 3 wire version can measure dc voltage up to 500 volts?

so the 500v 3 wire version can measure dc voltage up to 500 volts?
so the 500v 3 wire version can measure dc voltage up to 500 volts?

A:

can i use this on the lm317 voltage regulator?

can i use this on the lm317 voltage regulator?

Answered by jmfs on 12/11/2019Helpful (0)
0

Q:
What is the 3rd wire (yellow) for?

What is the 3rd wire (yellow) for/do?
What is the 3rd wire (yellow) for?

A:

for measurement 0-100v yellow wire is used

for measurement 0-100v yellow wire is used

Answered by dr9894 on 04/02/2022Helpful (0)
0

Q:
For the three wire 100v only: Do you have a wiring diagram? is 48 v too much as a operation voltage?

For the three wire 100v only: Do you have a wiring diagram? is 48 v too much as a operation voltage?
For the three wire 100v only: Do you have a wiring diagram? is 48 v too much as a operation voltage?

A:

There is now a wiring diagram as part of the listing. The 3 wire version with yellow lead requires a separate power source for the meter itself. That lead is used if the voltage to be measured is 28 volts.

There is now a wiring diagram as part of the listing. The 3 wire version with yellow lead requires a separate power source for the meter itself.

Answered by BG414616934 on 02/01/2024Helpful (0)