The voltmeter is easy to wire, using two lines where the red connection is positive and the black connection is negative. It features reverse connection protection, ensuring the circuit won't burn out if connected incorrectly. No external power supply is required, and it operates directly using the measured voltage. The measurement voltage range is from 2.5V to 32V, with a maximum safety limit of 40V (over 40V may cause damage).
When measuring voltages below 10V, it displays two decimal places; above 10V, it displays one decimal place. For other measurement ranges (such as 0V to 500V), contact customer service for customized solutions.
Features:
Simple two-wire connection (red for positive, black for negative).
Reverse connection protection.
No external power supply required for operation.
Voltage measurement range: 2.5V to 32V.
Voltage display: Two decimal places below 10V, one decimal place above 10V.
Contact customer service for custom measurement ranges.
Specifications:
Material: PVC
Measurement range: DC 2.5V - 30V, 2.7V - 30V, 3V - 30V.
Minimum input voltage: DC 2.5V, 2.7V, or 3V.
Maximum input voltage: DC 30V (above 30V risks overburning).
Permissible error: 1% (1 digit).
Display mode: Three-digit LED digital tube (0.2839 size).
Speed ratio: ~200ms per time.
Current consumption: < 20mA (typically 5-15mA).
Working temperature: -10°C ~ +65°C.
Wire length: 140mm / 5.51 inches.
Size:
0.36-inch size: 33x15x10mm / 1.38x0.04x0.39 inches.
0.28-inch size: 30x10x8mm / 1.18x0.39x0.31 inches.
Applications:
Ideal for use in circuits requiring voltage monitoring.
Commonly used in electronics projects, battery-powered devices, and DIY voltage measurement tools.
Disclaimer:
Product specifications, features, and design may change over time due to product updates or improvements.
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