0.28 Inch Ultra-small Digital DC LCD LED Voltmeter Head Digital Display DC 2.5-30V 2 Wire Reverse Relay Protection

Name: 0.28 Inch Ultra-small Digital DC LCD LED Voltmeter Head Digital Display DC 2.5-30V 2 Wire Reverse Relay Protection
SKU: MK-1923032367
Price: 1.29 USD
Availability: InStock

$1.29

100 sold in last 6 hours

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Color

RED

Estimated Delivery: May 16 – May 19

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Features:

1. Range: 2.5-40V (red) 2.6-40V (yellow) 2.6-40V (green) 3.2-40V (blue)
2. Equipped with two wires, the wiring is convenient and simple, and it is convenient to connect to the car/battery car/motorcycle line
3. With the reverse connection protection function, the wire connection will not be burnt, with the fine adjustment function
4. Note that the maximum input voltage cannot exceed 40V, otherwise there is a danger of burning
5. When the voltage is lower than 3.0V, the display brightness will dim, but it will not affect the correct measurement
6. When measuring voltage below 10V, two decimal places are displayed; when measuring voltage above 10V, one decimal place is displayed. It can not only take care of the battery user’s need for measurement accuracy but also take care of the need for measuring higher voltages.

Specifications:

Operating voltage: 4.0 ~ 40V (with a reverse polarity protection function)
Detection voltage: 0.0 ~ 100V
Operating Current: <20mA
Display: 0.28 “LED, red green blue yellow (colors)
Dimensions: 30 × 11.7 × 9.2 mm (length*width*height)
Installation hole: 23 × 10 mm
Measurement rate: ≥200mS / times
Accuracy: 3 ‰
Extreme working conditions
Low operating voltage: + 4.0V
Maximum working voltage: + 40V
Working temperature: -10 ~ + 65
Humidity: 10 to 80% (non-condensing)
Working pressure: 80 ~ 106kPa
Sun exposure: No direct exposure

Packing list:
1 * Module